National Register of Historic Places listings in northern New Castle County, Delaware

This is a list of properties on the National Register of Historic Places in northern New Castle County, Delaware.

This is intended to be a complete list of the properties and districts on National Register of Historic Places in New Castle County, Delaware north of the Chesapeake and Delaware Canal, excluding the city of Wilmington. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in a map.^[1]

There are 396 properties and districts listed on the National Register in the county. Of those, 223 sites are located outside Wilmington and north of the Chesapeake and Delaware Canal, and are listed here, including five sites that are further designated as National Historic Landmarks.

          This National Park Service list is complete through NPS recent listings posted February 11, 2022.^[2]

Current listings[]

[3]	Name on the Register	Image	Date listed[4]	Location	City or town	Description
1	Academy of Newark		May 24, 1976 (#76000573)	105 E. Main St. 39°40′58″N 75°44′57″W / 39.682898°N 75.749056°W / 39.682898; -75.749056 (Academy of Newark)	Newark	University of Delaware
2	Aetna Hose, Hook and Ladder Company Fire Station No. 1		May 7, 1982 (#82002335)	26 Academy St. 39°40′57″N 75°44′59″W / 39.682413°N 75.749623°W / 39.682413; -75.749623 (Aetna Hose, Hook and Ladder Company Fire Station No. 1)	Newark
3	Aetna Hose, Hook and Ladder Company, Fire Station No. 2		May 7, 1982 (#82002334)	31 Academy St. 39°40′56″N 75°44′57″W / 39.682181°N 75.749142°W / 39.682181; -75.749142 (Aetna Hose, Hook and Ladder Company, Fire Station No. 2)	Newark
4			September 9, 2021 (#100006887)	1578 Whittaker Rd. 39°37′59″N 75°45′41″W / 39.6330°N 75.7613°W / 39.6330; -75.7613 (African Union Church and Cemetery of Iron Hill)	Pencader Hundred, Newark vicinity
5	Aiken's Tavern Historic District	More images	December 6, 1977 (#77000388)	Junction of U.S. Route 40 and Delaware Route 896 39°36′23″N 75°44′45″W / 39.606389°N 75.745833°W / 39.606389; -75.745833 (Aiken's Tavern Historic District)	Glasgow
6	Air Service, Inc. Hangar at Bellanca Airfield		June 15, 2005 (#05000601)	2 Centerpoint Blvd. 39°39′52″N 75°35′13″W / 39.664307°N 75.586928°W / 39.664307; -75.586928 (Air Service, Inc. Hangar at Bellanca Airfield)	New Castle
7	Charles Allen House		August 19, 1983 (#83001348)	855 Canoe Rd. 39°38′46″N 75°40′40″W / 39.646111°N 75.677778°W / 39.646111; -75.677778 (Charles Allen House)	Christiana
8	Amstel House	More images	May 12, 1977 (#77000386)	2 E. 4th St. 39°39′38″N 75°33′53″W / 39.660610°N 75.564853°W / 39.660610; -75.564853 (Amstel House)	New Castle
9	Anderson House		February 24, 1983 (#83001384)	50 W. Park Pl. 39°40′30″N 75°45′22″W / 39.674985°N 75.756112°W / 39.674985; -75.756112 (Anderson House)	Newark
10	Archmere	More images	September 9, 1992 (#92001143)	3600 Philadelphia Pike 39°48′08″N 75°27′13″W / 39.802302°N 75.453725°W / 39.802302; -75.453725 (Archmere)	Claymont
11	Ardens Historic District	More images	May 30, 2003 (#01001245)	Orleans Rd. at Harvey Rd. 39°48′41″N 75°29′16″W / 39.811389°N 75.487778°W / 39.811389; -75.487778 (Ardens Historic District)	Arden
12	James Armor House		August 31, 1992 (#92001141)	3 Courtney Rd. 39°45′42″N 75°36′57″W / 39.761626°N 75.615885°W / 39.761626; -75.615885 (James Armor House)	Christiana Hundred
13	Armstrong Lodge No. 26, A.F. & A.M.		July 14, 1993 (#93000628)	112–114 E. Market St. 39°42′49″N 75°36′28″W / 39.713611°N 75.607778°W / 39.713611; -75.607778 (Armstrong Lodge No. 26, A.F. & A.M.)	Newport
14	A. Armstrong Farm		November 13, 1986 (#86003083)	Old Wilmington Rd. west of Brackenville Rd. 39°47′11″N 75°40′28″W / 39.786389°N 75.674444°W / 39.786389; -75.674444 (A. Armstrong Farm)	Hockessin	Farm house and barn; demolished before 2002.
15	Ashland Bridge	More images	March 20, 1973 (#73000506)	South of Ashland over Red Clay Creek 39°47′54″N 75°39′28″W / 39.798275°N 75.657883°W / 39.798275; -75.657883 (Ashland Bridge)	Ashland
16	Auburn Mills Historic District	More images	January 22, 1980 (#80000939)	West of Yorklyn on Delaware Route 82 and Benge Road 39°48′28″N 75°40′49″W / 39.807778°N 75.680278°W / 39.807778; -75.680278 (Auburn Mills Historic District)	Yorklyn
17	Baily House		May 7, 1982 (#82002336)	166 W. Main St. 39°41′03″N 75°45′32″W / 39.684181°N 75.758851°W / 39.684181; -75.758851 (Baily House)	Newark
18	Bank of Newark Building		February 24, 1983 (#83001345)	102 E. Main St. 39°41′01″N 75°44′57″W / 39.6835°N 75.74924°W / 39.6835; -75.74924 (Bank of Newark Building)	Newark
19	Bartley-Tweed Farm		November 13, 1986 (#86003084)	51 Fox Den Rd. 39°43′13″N 75°42′59″W / 39.720278°N 75.716389°W / 39.720278; -75.716389 (Bartley-Tweed Farm)	Mill Creek Hundred
20	Beaver Valley Rock Shelter Site		September 1, 1978 (#78000910)	Address Restricted	Brandywine Hundred	Part of the First State National Historical Park
21	Bell Farmhouse		February 24, 1983 (#83001344)	401 Nottingham Rd. 39°41′15″N 75°46′12″W / 39.687628°N 75.770127°W / 39.687628; -75.770127 (Bell Farmhouse)	Newark
22	Belmont Hall		February 24, 1983 (#83001386)	302 W. Main St. 39°41′02″N 75°45′39″W / 39.683809°N 75.760755°W / 39.683809; -75.760755 (Belmont Hall)	Newark	University of Delaware
23	Bloomfield		April 8, 1982 (#82002354)	4663 Kirkwood St. Georges Road 39°33′20″N 75°39′23″W / 39.555672°N 75.656263°W / 39.555672; -75.656263 (Bloomfield)	St. Georges
24	Blue Hen Farm		February 24, 1983 (#83001346)	505 Stamford Dr. 39°41′45″N 75°45′59″W / 39.695795°N 75.766449°W / 39.695795; -75.766449 (Blue Hen Farm)	Newark
25	Brandywine Manufacturers Sunday School	More images	April 13, 1972 (#72000291)	Blacksmith Hill Rd. 39°46′44″N 75°34′35″W / 39.778889°N 75.576389°W / 39.778889; -75.576389 (Brandywine Manufacturers Sunday School)	Christiana Hundred	Part of the Hagley Museum
26	Brandywine Powder Mills District	More images	May 3, 1984 (#84000819)	Delaware Route 141 and the Brandywine River 39°46′48″N 75°34′40″W / 39.78°N 75.577778°W / 39.78; -75.577778 (Brandywine Powder Mills District)	Christiana Hundred	Hagley Museum
27	Breck's Mill Area	More images	November 5, 1971 (#71000230)	Breck's Lane and Creek Rd. 39°46′12″N 75°34′50″W / 39.769946°N 75.580572°W / 39.769946; -75.580572 (Breck's Mill Area)	Christiana Hundred	Extends slightly into Wilmington proper
28	Brindley Farm		September 28, 1976 (#76000575)	3510 Kennett Pike 39°46′13″N 75°35′35″W / 39.770278°N 75.593056°W / 39.770278; -75.593056 (Brindley Farm)	Christiana Hundred
29	Jacob Broom House	More images	December 2, 1974 (#74000602)	402 Dean Lane 39°46′49″N 75°34′42″W / 39.780164°N 75.578315°W / 39.780164; -75.578315 (Jacob Broom House)	Christiana Hundred
30	Buena Vista	More images	April 16, 1971 (#71000228)	661 South DuPont Highway 39°38′02″N 75°38′22″W / 39.633752°N 75.639539°W / 39.633752; -75.639539 (Buena Vista)	New Castle Hundred	State of Delaware retreat center
31	Building at 28–34½ Academy Street		May 7, 1982 (#82002338)	28–34½ Academy St. 39°40′56″N 75°44′59″W / 39.682194°N 75.749610°W / 39.682194; -75.749610 (Building at 28–34½ Academy Street)	Newark
32	Building at 140 W. Main Street		May 7, 1982 (#82002337)	140 W. Main St. 39°41′02″N 75°45′28″W / 39.683813°N 75.757790°W / 39.683813; -75.757790 (Building at 140 W. Main Street)	Newark
33	Building at 34 Choate Street		February 24, 1983 (#83001387)	34 Choate St. 39°41′05″N 75°44′49″W / 39.684776°N 75.746808°W / 39.684776; -75.746808 (Building at 34 Choate Street)	Newark
34	John Carney Agricultural Complex		February 25, 2009 (#09000050)	4300 Thompson Bridge Rd. 39°49′13″N 75°34′00″W / 39.820386°N 75.566779°W / 39.820386; -75.566779 (John Carney Agricultural Complex)	Rockland	Part of Brandywine Creek State Park
35	Carpenter-Lippincott House		April 13, 1983 (#83001388)	5620 Kennett Pike 39°49′06″N 75°37′00″W / 39.818207°N 75.616737°W / 39.818207; -75.616737 (Carpenter-Lippincott House)	Centreville
36	Stuart Randall & Pricilla Kellogg Carswell House		November 22, 2011 (#11000844)	102 Briar Ln. 39°41′08″N 75°46′11″W / 39.685556°N 75.769722°W / 39.685556; -75.769722 (Stuart Randall & Pricilla Kellogg Carswell House)	Newark
37	W. Casperson House		April 8, 1982 (#82002355)	1600 Red Lion Rd. 39°35′25″N 75°40′26″W / 39.590407°N 75.673953°W / 39.590407; -75.673953 (W. Casperson House)	St. Georges
38	Centre Meeting and Schoolhouse	More images	December 16, 1971 (#71000224)	311 Center Meeting Rd. 39°49′13″N 75°35′58″W / 39.8204°N 75.5995°W / 39.8204; -75.5995 (Centre Meeting and Schoolhouse)	Centreville
39	Centreville Historic District	More images	April 13, 1983 (#83001338)	Kennett Pike and Owls Nest/Twaddell Mill Rd. 39°49′16″N 75°37′00″W / 39.821111°N 75.616667°W / 39.821111; -75.616667 (Centreville Historic District)	Centreville
40	Chambers House		November 29, 1988 (#88003132)	Creek and Hopkins Bridge Rds. 39°43′38″N 75°46′05″W / 39.727233°N 75.768026°W / 39.727233; -75.768026 (Chambers House)	White Clay Creek Hundred	Nature center for White Clay Creek State Park
41	Chambers House		February 24, 1983 (#83001389)	196 S. College Ave. 39°40′42″N 75°45′14″W / 39.678280°N 75.753880°W / 39.678280; -75.753880 (Chambers House)	Newark	University of Delaware
42	Joseph Chandler House		April 13, 1983 (#83001390)	5826 Kennett Pike 39°49′26″N 75°37′09″W / 39.823889°N 75.619167°W / 39.823889; -75.619167 (Joseph Chandler House)	Centreville
43	Chelsea		April 8, 1982 (#82002325)	910 5th St. 39°34′37″N 75°35′56″W / 39.576892°N 75.598971°W / 39.576892; -75.598971 (Chelsea)	Delaware City
44	Christiana Historic District	More images	December 16, 1974 (#74000600)	Junction of Delaware Routes 7 and 273 39°39′55″N 75°39′36″W / 39.665278°N 75.66°W / 39.665278; -75.66 (Christiana Historic District)	Christiana
45	Abner Cloud House		August 31, 1992 (#92001144)	14 Ravine Rd. 39°48′54″N 75°28′47″W / 39.814938°N 75.479831°W / 39.814938; -75.479831 (Abner Cloud House)	Brandywine Hundred
46	Cloud-Reese House		August 17, 2001 (#01000885)	2202 Old Kennett Rd. 39°49′20″N 75°39′25″W / 39.822168°N 75.657008°W / 39.822168; -75.657008 (Cloud-Reese House)	Christiana Hundred
47	Clyde Farm Site		July 29, 1977 (#77000391)	Southern side of White Clay Creek, north of Interstate 95[5] 39°41′56″N 75°38′12″W / 39.698889°N 75.636667°W / 39.698889; -75.636667 (Clyde Farm Site)	Stanton	Paleo-Indian archaeological site
48	Coffee Run Mission Site	More images	April 11, 1973 (#73000509)	6580 Lancaster Pike 39°46′03″N 75°39′34″W / 39.7675°N 75.659444°W / 39.7675; -75.659444 (Coffee Run Mission Site)	Hockessin	One structure destroyed in March 2010 following an arson.[6]
49	Collison House		July 14, 1993 (#93000635)	21 N. Walnut St. 39°42′53″N 75°36′27″W / 39.714734°N 75.607437°W / 39.714734; -75.607437 (Collison House)	Newport
50	Cooch's Bridge Historic District	More images	April 11, 1973 (#73000528)	South of Newark off Delaware Route 896 39°38′24″N 75°44′11″W / 39.640073°N 75.736409°W / 39.640073; -75.736409 (Cooch's Bridge Historic District)	Pencader Hundred
51	Correll's Farm and Lawn Supply		April 8, 1982 (#82002327)	2440 Red Lion Road 39°34′14″N 75°41′50″W / 39.570542°N 75.697168°W / 39.570542; -75.697168 (Correll's Farm and Lawn Supply)	Kirkwood
52			March 13, 2017 (#100000729)	1651 & 1655 Old Wilmington Rd. 39°47′43″N 75°41′54″W / 39.795267°N 75.698307°W / 39.795267; -75.698307 (Cox-Phillips-Mitchell Agricultural Complex)	Hockessin
53	Curtis Mansion		May 7, 1982 (#82002339)	183 W. Main St. 39°41′02″N 75°45′37″W / 39.683895°N 75.760170°W / 39.683895; -75.760170 (Curtis Mansion)	Newark	English Language Institute of the University of Delaware
54	Curtis Paper Mill Workers' Houses		May 7, 1982 (#82002340)	Curtis Lane 39°41′27″N 75°44′56″W / 39.69087°N 75.74889°W / 39.69087; -75.74889 (Curtis Paper Mill Workers' Houses)	Newark
55	Darley House		July 2, 1973 (#73000508)	3701 Philadelphia Pike 39°48′18″N 75°27′15″W / 39.804881°N 75.454248°W / 39.804881; -75.454248 (Darley House)	Claymont
56	Joseph Dean & Son Woolen Mill		May 22, 1978 (#78000901)	500 Creek View Rd. 39°41′22″N 75°44′44″W / 39.689508°N 75.745507°W / 39.689508; -75.745507 (Joseph Dean & Son Woolen Mill)	Newark
57	Deer Park Farm		February 24, 1983 (#83001347)	48 W. Park Pl. 39°40′30″N 75°45′21″W / 39.675°N 75.755833°W / 39.675; -75.755833 (Deer Park Farm)	Newark	Demolished
58	Deer Park Hotel		May 7, 1982 (#82002341)	108 W. Main St. 39°40′59″N 75°45′22″W / 39.683184°N 75.755982°W / 39.683184; -75.755982 (Deer Park Hotel)	Newark
59	Delaware Boundary Markers		February 18, 1975 (#75002101)	Delaware state boundary lines with Maryland and Pennsylvania 39°43′20″N 75°47′19″W / 39.722201°N 75.788594°W / 39.722201; -75.788594 (Delaware Boundary Markers)	Not applicable
60	Delaware City Historic District	More images	December 15, 1983 (#83003515)	Roughly bounded by the Delaware River, Dragon Creek, Delaware Route 9, and the Delaware and Chesapeake Canals 39°34′38″N 75°35′31″W / 39.577222°N 75.591944°W / 39.577222; -75.591944 (Delaware City Historic District)	Delaware City
61	S. P. Dixon Farm		November 13, 1986 (#86003085)	Barley Mill and Brackenville Rds. 39°47′45″N 75°39′27″W / 39.795786°N 75.657526°W / 39.795786; -75.657526 (S. P. Dixon Farm)	Ashland	Part of Ashland Farm (Henry B. du Pont IV estate)
62	Dragon Run Farm		April 8, 1982 (#82002328)	2335 McCoy Rd. 39°33′47″N 75°40′23″W / 39.562978°N 75.673118°W / 39.562978; -75.673118 (Dragon Run Farm)	Kirkwood
63	David Eastburn Farm	More images	November 13, 1986 (#86003087)	2 Bristol Ln. 39°44′48″N 75°44′09″W / 39.746672°N 75.735886°W / 39.746672; -75.735886 (David Eastburn Farm)	Mill Creek Hundred
64	J. Eastburn Barn		November 13, 1986 (#86003088)	Pleasant Hill Rd. southwest of Corner Ketch Rd. 39°44′08″N 75°43′54″W / 39.735535°N 75.731561°W / 39.735535; -75.731561 (J. Eastburn Barn)	Mill Creek Hundred	Part of White Clay Creek State Park
65	Eastburn-Jeanes Lime Kilns Historic District	More images	April 28, 1977 (#77000389)	North of Newark on Limestone Rd. 39°44′30″N 75°43′00″W / 39.741601°N 75.716673°W / 39.741601; -75.716673 (Eastburn-Jeanes Lime Kilns Historic District)	Mill Creek Hundred
66	Eastern Lock of the Chesapeake and Delaware Canal	More images	April 21, 1975 (#75000543)	Battery Park 39°34′44″N 75°35′14″W / 39.578795°N 75.587316°W / 39.578795; -75.587316 (Eastern Lock of the Chesapeake and Delaware Canal)	Delaware City
67	Eleutherian Mills	More images	November 13, 1966 (#66000259)	North of Wilmington on Delaware Route 141 at Brandywine Creek Bridge 39°46′50″N 75°34′30″W / 39.780556°N 75.575°W / 39.780556; -75.575 (Eleutherian Mills)	Christiana Hundred	Includes most of the Hagley Museum and Library; some overlap with Breck's Mill Area
68	England House and Mill	More images	February 23, 1972 (#72001597)	81 Red Mill Rd. 39°41′32″N 75°42′29″W / 39.692222°N 75.708056°W / 39.692222; -75.708056 (England House and Mill)	Mill Creek Hundred
69	George Evans House		May 7, 1982 (#82002342)	5 W. Main St. 39°40′58″N 75°45′14″W / 39.682828°N 75.753951°W / 39.682828; -75.753951 (George Evans House)	Newark	University of Delaware
70	John Evans House		February 24, 1983 (#83001392)	14 W. Main St. 39°40′59″N 75°45′15″W / 39.683166°N 75.754288°W / 39.683166; -75.754288 (John Evans House)	Newark	Raub Hall of the University of Delaware
71	Exchange Building		May 7, 1982 (#82002343)	154–158 E. Main St. 39°41′01″N 75°44′49″W / 39.6837°N 75.7469°W / 39.6837; -75.7469 (Exchange Building)	Newark	Klondike Kate's
72	Fairview		April 8, 1982 (#82002326)	701 Cox Neck Rd. 39°33′49″N 75°36′50″W / 39.563554°N 75.613824°W / 39.563554; -75.613824 (Fairview)	Delaware City	Note that there are also Fairviews in Middletown and Odessa
73	Fell Historic District	More images	June 16, 1983 (#83001335)	Faulkland Rd. and New Fell's Lane 39°44′56″N 75°38′16″W / 39.748889°N 75.637778°W / 39.748889; -75.637778 (Fell Historic District)	Mill Creek Hundred
74	Robert Ferguson House	More images	July 22, 1979 (#79000628)	636 Chestnut Hill Rd. 39°40′24″N 75°42′24″W / 39.673333°N 75.706667°W / 39.673333; -75.706667 (Robert Ferguson House)	White Clay Creek Hundred	Demolished
75	Andrew Fisher House		May 8, 1973 (#73000525)	725 Art Ln. 39°39′19″N 75°45′19″W / 39.655172°N 75.755408°W / 39.655172; -75.755408 (Andrew Fisher House)	Newark
76	Fort Delaware on Pea Patch Island	More images	December 16, 1971 (#71000226)	Pea Patch Island in the Delaware River 39°35′24″N 75°34′19″W / 39.59°N 75.571944°W / 39.59; -75.571944 (Fort Delaware on Pea Patch Island)	Delaware City
77	Fort DuPont Historic District	More images	October 28, 1999 (#99001275)	248 Kent Ave. 39°34′17″N 75°35′06″W / 39.571392°N 75.585°W / 39.571392; -75.585 (Fort DuPont Historic District)	Delaware City	Currently Fort DuPont State Park and the Governor Bacon Health Center
78	Galloway-Walker House		July 14, 1993 (#93000633)	107 John St. 39°42′44″N 75°36′38″W / 39.712316°N 75.610569°W / 39.712316; -75.610569 (Galloway-Walker House)	Newport
79	Garrett Snuff Mill	More images	May 22, 1978 (#78000913)	Delaware Route 82 and Yorklyn Rd. 39°48′31″N 75°40′26″W / 39.808611°N 75.673889°W / 39.808611; -75.673889 (Garrett Snuff Mill)	Yorklyn
80	Garrett Snuff Mills Historic District		January 24, 1980 (#80004486)	Delaware Route 82 and Yorklyn Rd. 39°48′38″N 75°40′21″W / 39.810598°N 75.672435°W / 39.810598; -75.672435 (Garrett Snuff Mills Historic District)	Yorklyn
81	Glebe House	More images	April 3, 1973 (#73000521)	350 Glebe Ln. 39°40′07″N 75°33′31″W / 39.668745°N 75.558687°W / 39.668745; -75.558687 (Glebe House)	New Castle
82	Glynrich	More images	November 1, 1979 (#79000633)	Mill Rd. and Race St. 39°43′56″N 75°34′56″W / 39.732087°N 75.582307°W / 39.732087; -75.582307 (Glynrich)	Christiana Hundred
83	Robert Graham House		August 1, 1997 (#97000835)	751 Crossan Rd. 39°45′23″N 75°43′57″W / 39.756317°N 75.732542°W / 39.756317; -75.732542 (Robert Graham House)	Mill Creek Hundred
84	Granite Mansion	More images	February 24, 1983 (#83001394)	292 W. Main St. 39°41′11″N 75°45′50″W / 39.686336°N 75.763793°W / 39.686336; -75.763793 (Granite Mansion)	Newark	Demolished, photo shows church on the site
85	Grantham-Edwards-McComb House		January 19, 2016 (#15000977)	217 Park Ave. 39°38′53″N 75°36′52″W / 39.648041°N 75.614540°W / 39.648041; -75.614540 (Grantham-Edwards-McComb House)	New Castle
86	Graves Mill Historic District	More images	December 19, 1979 (#79000640)	East of Ashland on Way Rd. 39°48′17″N 75°38′40″W / 39.804722°N 75.644444°W / 39.804722; -75.644444 (Graves Mill Historic District)	Ashland
87	Green Mansion		February 24, 1983 (#83001395)	94–96 E. Main St. 39°41′01″N 75°44′58″W / 39.683611°N 75.749444°W / 39.683611; -75.749444 (Green Mansion)	Newark
88	Greenbank Historic Area	More images	July 2, 1973 (#73000513)	500 Greenbank Mill Rd.; also 2300 Newport Gap Pike 39°44′24″N 75°37′59″W / 39.74°N 75.633056°W / 39.74; -75.633056 (Greenbank Historic Area)	Marshallton	"Marshallton" represents a boundary increase of July 24, 1979
89	Hale-Byrnes House	More images	June 2, 1972 (#72000290)	606 Stanton-Christiana Road 39°42′05″N 75°39′02″W / 39.701334°N 75.650541°W / 39.701334; -75.650541 (Hale-Byrnes House)	Stanton
90	Head of Christiana United Presbyterian Church		August 19, 1983 (#83001343)	1100 Church Rd. 39°41′31″N 75°47′12″W / 39.691944°N 75.786667°W / 39.691944; -75.786667 (Head of Christiana United Presbyterian Church)	White Clay Creek Hundred
91	The Hermitage		March 1, 1973 (#73000522)	901 Delaware St. 39°39′55″N 75°34′09″W / 39.665232°N 75.569263°W / 39.665232; -75.569263 (The Hermitage)	New Castle	Demolished in 2009
92	Hersey-Duncan House		November 15, 1990 (#90001714)	2116 Duncan Rd. 39°44′06″N 75°38′27″W / 39.734942°N 75.640706°W / 39.734942; -75.640706 (Hersey-Duncan House)	Mill Creek Hundred
93	William Hicklen House		October 6, 1983 (#83003519)	502 Beaver Valley Rd. 39°49′55″N 75°33′22″W / 39.832012°N 75.556040°W / 39.832012; -75.556040 (William Hicklen House)	Talleyville	Owned by the Woodlawn Trustees.
94	Hickman Blacksmith Shop and House		September 2, 1994 (#94001078)	1201 and 1203 Greenbank Rd. 39°43′44″N 75°38′18″W / 39.728889°N 75.638333°W / 39.728889; -75.638333 (Hickman Blacksmith Shop and House)	Marshallton
95	Hickman Row	More images	June 16, 2006 (#06000284)	1–117 Hickman Rd. 39°48′57″N 75°26′42″W / 39.815833°N 75.445°W / 39.815833; -75.445 (Hickman Row)	Claymont
96	Hockessin Friends Meetinghouse	More images	March 20, 1973 (#73000510)	1501 Old Wilmington Rd. 39°47′34″N 75°41′28″W / 39.792837°N 75.691009°W / 39.792837; -75.691009 (Hockessin Friends Meetinghouse)	Hockessin
97	Holladay-Harrington House		September 30, 2004 (#04001077)	3705 Kennett Pike 39°46′28″N 75°35′34″W / 39.774444°N 75.592778°W / 39.774444; -75.592778 (Holladay-Harrington House)	Greenville	Patterson Schwartz Realty
98			April 10, 2017 (#100000843)	1503 Ridge Rd. 39°46′58″N 75°28′39″W / 39.782818°N 75.477489°W / 39.782818; -75.477489 (Holly Oak)	Claymont
99			March 28, 2017 (#100000656)	901 Mt. Lebanon Rd. 39°47′53″N 75°34′11″W / 39.798076°N 75.569806°W / 39.798076; -75.569806 (House at 901 Mt. Lebanon Rd.)	Rockland
100	Iron Hill School No. 112C	More images	August 18, 1995 (#95001032)	1335 Old Baltimore Pike 39°37′54″N 75°45′29″W / 39.631532°N 75.758182°W / 39.631532; -75.758182 (Iron Hill School No. 112C)	Pencader Hundred	Iron Hill Museum
101	Ivyside Farm		January 4, 1982 (#82002324)	1301 Naaman's Rd. 39°49′17″N 75°28′37″W / 39.821253°N 75.476864°W / 39.821253; -75.476864 (Ivyside Farm)	Claymont
102	Johnson-Morris House		February 22, 2011 (#11000036)	41 Upper Pike Creek Rd. 39°42′19″N 75°41′47″W / 39.705278°N 75.696389°W / 39.705278; -75.696389 (Johnson-Morris House)	Mill Creek Hundred
103	William Julius "Judy" Johnson House		October 10, 1995 (#95001145)	3701 Kiamensi Ave. in Christiana Hundred 39°43′48″N 75°38′00″W / 39.73°N 75.633333°W / 39.73; -75.633333 (William Julius "Judy" Johnson House)	Marshallton
104	Thomas Justis House		September 23, 1993 (#93000989)	1001 Milltown Rd. 39°44′03″N 75°39′31″W / 39.734167°N 75.658611°W / 39.734167; -75.658611 (Thomas Justis House)	Mill Creek Hundred
105	Justis-Jones House		August 28, 1998 (#98001096)	2606 Newport Gap Pike 39°44′36″N 75°38′25″W / 39.743333°N 75.640278°W / 39.743333; -75.640278 (Justis-Jones House)	Mill Creek Hundred
106	Andrew Kerr House		August 19, 1983 (#83001342)	812 Elkton Rd. 39°40′16″N 75°46′13″W / 39.671209°N 75.770194°W / 39.671209; -75.770194 (Andrew Kerr House)	Newark
107	Killgore Hall		July 14, 1993 (#93000630)	101 N. James St. 39°42′53″N 75°36′36″W / 39.714812°N 75.609967°W / 39.714812; -75.609967 (Killgore Hall)	Newport	Demolished c. 2000
108	Joseph Killgore House		July 14, 1993 (#93000627)	107 N. James St. 39°42′54″N 75°36′36″W / 39.714985°N 75.609996°W / 39.714985; -75.609996 (Joseph Killgore House)	Newport	Demolished c. 2000
109	La Grange		July 10, 1974 (#74000601)	2467 Pulaski Highway 39°36′22″N 75°44′54″W / 39.60620°N 75.74842°W / 39.60620; -75.74842 (La Grange)	Glasgow
110	Laurel		December 4, 1974 (#74000603)	619 Shipley Rd. 39°46′25″N 75°31′00″W / 39.77355°N 75.51678°W / 39.77355; -75.51678 (Laurel)	Brandywine Hundred
111	Lesley-Travers Mansion	More images	April 3, 1973 (#73000523)	112 W. 6th St. 39°39′39″N 75°34′11″W / 39.66074°N 75.56970°W / 39.66074; -75.56970 (Lesley-Travers Mansion)	New Castle
112	John Lewden House		September 24, 1979 (#79003104)	107 E. Main St. 39°39′48″N 75°39′20″W / 39.66344°N 75.65565°W / 39.66344; -75.65565 (John Lewden House)	Christiana
113	Charles and Edith Liedlich House		April 19, 2006 (#06000283)	180 Welsh Tract Rd. 39°38′39″N 75°45′41″W / 39.64421°N 75.76148°W / 39.64421; -75.76148 (Charles and Edith Liedlich House)	Newark
114	Linden Hill		April 8, 1982 (#82002356)	34 N. DuPont Highway 39°33′48″N 75°39′20″W / 39.563333°N 75.655556°W / 39.563333; -75.655556 (Linden Hill)	St. Georges
115	J. Lindsay Barn	More images	November 13, 1986 (#86003089)	15 Middleton Dr. 39°45′04″N 75°41′16″W / 39.751199°N 75.687882°W / 39.751199; -75.687882 (J. Lindsay Barn)	Mill Creek Hundred	Offices of Covenant Wealth Strategies.
116	Samuel Lindsey House		August 19, 1983 (#83001397)	693 New London Rd. 39°42′27″N 75°46′36″W / 39.707563°N 75.776615°W / 39.707563; -75.776615 (Samuel Lindsey House)	McClellandville
117	Lobdell Estate, Minquadale Home	More images	June 4, 1973 (#73000548)	N. DuPont Highway 39°42′23″N 75°34′13″W / 39.706446°N 75.570289°W / 39.706446; -75.570289 (Lobdell Estate, Minquadale Home)	New Castle Hundred	Demolished between 1984 and 2002.
118	Lombardy Hall		December 5, 1972 (#72000292)	1611 Concord Pike 39°46′53″N 75°32′40″W / 39.78152°N 75.54452°W / 39.78152; -75.54452 (Lombardy Hall)	Brandywine Hundred
119	Louviers		December 13, 1971 (#71000231)	10 Black Gates Rd. 39°47′08″N 75°34′20″W / 39.785556°N 75.572222°W / 39.785556; -75.572222 (Louviers)	Brandywine Hundred	House demolished; gatehouses remain.
120	Lower Louviers and Chicken Alley		February 1, 1972 (#72000293)	1 Black Gates Rd. 39°47′06″N 75°34′26″W / 39.78513°N 75.57397°W / 39.78513; -75.57397 (Lower Louviers and Chicken Alley)	Brandywine Hundred
121	Lum's Mill House		May 22, 1973 (#73000511)	Off Red Lion Road in Lums Pond State Park 39°33′03″N 75°42′47″W / 39.55095°N 75.71310°W / 39.55095; -75.71310 (Lum's Mill House)	Kirkwood	Part of Lums Pond State Park
122	Marcus Hook Range Rear Light	More images	March 27, 1989 (#89000287)	313 Light House Rd. 39°45′44″N 75°30′13″W / 39.762222°N 75.503611°W / 39.762222; -75.503611 (Marcus Hook Range Rear Light)	Brandywine Hundred
123	Marshallton United Methodist Church	More images	February 18, 1987 (#86002945)	1105 Stanton Rd. 39°43′36″N 75°38′19″W / 39.7266°N 75.6386°W / 39.7266; -75.6386 (Marshallton United Methodist Church)	Marshallton
124	J. Mason Farm		November 13, 1986 (#86003091)	2272 Creek Road 39°47′53″N 75°39′04″W / 39.798023°N 75.651213°W / 39.798023; -75.651213 (J. Mason Farm)	Ashland	Part of Ashland Farm (Henry B. du Pont IV estate)
125	J. McCormack Farm		November 13, 1986 (#86003093)	Newport Gap Turnpike north of Mill Creek Rd. 39°45′17″N 75°39′24″W / 39.754722°N 75.656667°W / 39.754722; -75.656667 (J. McCormack Farm)	Mill Creek Hundred	Demolished between 1992 and 2002.
126	McCoy House		April 24, 1973 (#73000512)	4185 Kirkwood St. Georges Rd. 39°33′36″N 75°40′37″W / 39.55996°N 75.67692°W / 39.55996; -75.67692 (McCoy House)	Kirkwood	Part of an AdvoServ campus
127	J. McDaniel Farm		November 13, 1986 (#86003094)	112 Cardiff Court W 39°44′57″N 75°42′59″W / 39.749047°N 75.716361°W / 39.749047; -75.716361 (J. McDaniel Farm)	Mill Creek Hundred
128	J. McIntyre Farm		November 13, 1986 (#86003098)	6464 Limestone Rd. 39°46′35″N 75°43′21″W / 39.77625°N 75.72254°W / 39.77625; -75.72254 (J. McIntyre Farm)	Mill Creek Hundred	Owned by the Robert N. Downs Memorial Conservancy
129	Meeteer House		September 2, 1993 (#93000888)	801 Kirkwood Highway 39°41′45″N 75°43′07″W / 39.69570°N 75.71848°W / 39.69570; -75.71848 (Meeteer House)	Mill Creek Hundred
130	Memorial Hall		May 7, 1982 (#82002344)	University of Delaware campus 39°40′44″N 75°45′08″W / 39.678889°N 75.752222°W / 39.678889; -75.752222 (Memorial Hall)	Newark	University of Delaware
131	Merestone		March 2, 1995 (#95000093)	1610–1620 Yeatman's Mill Rd. 39°45′46″N 75°44′56″W / 39.76276°N 75.74884°W / 39.76276; -75.74884 (Merestone)	Mill Creek Hundred	Extends into Chester County, Pennsylvania
132	Mermaid Tavern	More images	December 18, 1973 (#73000529)	4900 Limestone Rd. 39°44′34″N 75°41′40″W / 39.742801°N 75.694484°W / 39.742801; -75.694484 (Mermaid Tavern)	Mill Creek Hundred
133	Meteer Store House		February 24, 1983 (#83001398)	325 Paper Mill Rd. 39°41′31″N 75°45′00″W / 39.691955°N 75.750082°W / 39.691955; -75.750082 (Meteer Store House)	Newark
134	Mill Creek Friends Meetinghouse	More images	April 3, 1973 (#73000530)	1140 Doe Run Rd. 39°45′52″N 75°44′30″W / 39.7645°N 75.7417°W / 39.7645; -75.7417 (Mill Creek Friends Meetinghouse)	Mill Creek Hundred
135	Montchanin Historic District	More images	June 9, 1978 (#78000900)	Delaware Route 100 39°47′21″N 75°35′18″W / 39.789167°N 75.588333°W / 39.789167; -75.588333 (Montchanin Historic District)	Montchanin
136	Montgomery House		July 28, 1988 (#88001160)	2900 Old Limestone Rd. 39°43′53″N 75°40′15″W / 39.73149°N 75.67075°W / 39.73149; -75.67075 (Montgomery House)	Wilmington
137	William Morgan Farm	More images	November 13, 1986 (#86003099)	821–824 Doe Run Rd. 39°45′07″N 75°44′25″W / 39.751944°N 75.740278°W / 39.751944; -75.740278 (William Morgan Farm)	Mill Creek Hundred
138	James Morrow House		August 19, 1983 (#83001399)	1210 Ogletown Rd. 39°41′08″N 75°43′25″W / 39.685556°N 75.723611°W / 39.685556; -75.723611 (James Morrow House)	White Clay Creek Hundred
139	Mount Cuba		April 2, 2003 (#03000172)	3120 Barley Mill Rd. 39°47′18″N 75°38′54″W / 39.78841°N 75.64828°W / 39.78841; -75.64828 (Mount Cuba)	Mount Cuba	Headquarters of Mt. Cuba Center botanical garden
140	Mount Cuba Historic District	More images	December 19, 1979 (#79000627)	Delaware Route 82 and Road 261 39°47��22″N 75°38′26″W / 39.789444°N 75.640556°W / 39.789444; -75.640556 (Mount Cuba Historic District)	Mount Cuba
141	Mount Lebanon Methodist Episcopal Church		May 3, 1984 (#84000845)	850 Mount Lebanon Rd. 39°47′55″N 75°34′04″W / 39.79862°N 75.56785°W / 39.79862; -75.56785 (Mount Lebanon Methodist Episcopal Church)	Wilmington
142	Mount Pleasant Methodist Episcopal Church and Parsonage		August 28, 1998 (#98001097)	1009 Philadelphia Pike 39°46′37″N 75°29′27″W / 39.77708°N 75.49072°W / 39.77708; -75.49072 (Mount Pleasant Methodist Episcopal Church and Parsonage)	Wilmington	Part of Bellevue State Park
143	Mt. Airy School No. 27		April 13, 1983 (#83001400)	2 Selborne Dr. 39°49′37″N 75°37′10″W / 39.82686°N 75.61936°W / 39.82686; -75.61936 (Mt. Airy School No. 27)	Centreville
144	Naaman's Creek School		November 15, 1990 (#90001715)	3611 Philadelphia Pike 39°48′17″N 75°27′17″W / 39.804772°N 75.454689°W / 39.804772; -75.454689 (Naaman's Creek School)	Claymont
145	New Castle and Frenchtown Railroad Right-of-Way		September 1, 1976 (#76002290)	Off U.S. Route 40 between Frenchtown, Maryland and Porter 39°35′37″N 75°45′54″W / 39.593611°N 75.765°W / 39.593611; -75.765 (New Castle and Frenchtown Railroad Right-of-Way)	Porter	Extends into Cecil County, Maryland
146	New Castle County Court House	More images	November 28, 1972 (#72000285)	211 Delaware St. 39°39′35″N 75°33′49″W / 39.659722°N 75.563611°W / 39.659722; -75.563611 (New Castle County Court House)	New Castle	Part of the First State National Historical Park
147	New Castle Historic District	More images	December 24, 1967 (#67000003)	Bounded by Harmony St., The Strand, 3rd St., and Delaware St.; also roughly bounded by the Delaware River, Broad Dike, and 4th, 6th, 7th, and Penn Sts. 39°39′39″N 75°33′50″W / 39.660833°N 75.563889°W / 39.660833; -75.563889 (New Castle Historic District)	New Castle	Second set of boundaries represents a boundary increase of November 8, 1984
148	New Castle Ice Piers		February 4, 1982 (#82002333)	Delaware River 39°39′28″N 75°33′39″W / 39.657778°N 75.560833°W / 39.657778; -75.560833 (New Castle Ice Piers)	New Castle
149	Newark Opera House		May 7, 1982 (#82002345)	95 E. Main St. 39°40′59��N 75°44′59″W / 39.683056°N 75.749722°W / 39.683056; -75.749722 (Newark Opera House)	Newark
150	Newark Passenger Station	More images	May 7, 1982 (#82002346)	429 S. College Ave. 39°40′13″N 75°45′11″W / 39.670278°N 75.753056°W / 39.670278; -75.753056 (Newark Passenger Station)	Newark	Newark History Museum
151	Newark Union Church and Cemetery	More images	February 6, 2020 (#100004955)	8 and 20 Newark Union Public Rd. 39°47′10″N 75°30′48″W / 39.7860°N 75.5134°W / 39.7860; -75.5134 (Newark Union Church and Cemetery)	Wilmington vicinity
152	Newport National Bank		July 14, 1993 (#93000634)	100 E. Market St. 39°42′49″N 75°36′29″W / 39.713611°N 75.608056°W / 39.713611; -75.608056 (Newport National Bank)	Newport
153	Newport Railroad Station		January 21, 1994 (#93001515)	112 S. James St. 39°42′44″N 75°36′32″W / 39.71211°N 75.60899°W / 39.71211; -75.60899 (Newport Railroad Station)	Newport	Demolished between 1995 and 2002.
154	North Saint Georges Historic District	More images	August 22, 1995 (#95001033)	Roughly along Main, Broad, Delaware, and Church Sts. in Red Lion Hundred 39°33′24″N 75°39′07″W / 39.556667°N 75.651944°W / 39.556667; -75.651944 (North Saint Georges Historic District)	St. Georges
155	Old Cann Mansion House		April 8, 1982 (#82002329)	2290 Red Lion Road 39°34′26″N 75°41′33″W / 39.57382°N 75.69253°W / 39.57382; -75.69253 (Old Cann Mansion House)	Kirkwood
156	Old College Historic District	More images	June 4, 1973 (#73000526)	Main and College Sts. on the University of Delaware campus 39°41′03″N 75°45′10″W / 39.684167°N 75.752778°W / 39.684167; -75.752778 (Old College Historic District)	Newark	University of Delaware
157	Old First Presbyterian Church	More images	May 7, 1982 (#82002347)	17 W. Main St. 39°40′58″N 75°45′17″W / 39.682751°N 75.754594°W / 39.682751; -75.754594 (Old First Presbyterian Church)	Newark	University of Delaware
158	Old Fort Church		August 19, 1983 (#83001402)	37 N. Old Baltimore Pike 39°40′04″N 75°39′33″W / 39.66786°N 75.65929°W / 39.66786; -75.65929 (Old Fort Church)	Christiana
159	Old Newark Comprehensive School		May 7, 1982 (#82002348)	83 E. Main St. 39°41′00″N 75°44′58″W / 39.683333°N 75.749444°W / 39.683333; -75.749444 (Old Newark Comprehensive School)	Newark	University of Delaware
160	Old Post Office		April 8, 1982 (#82002330)	3616 Kirkwood St. Georges Rd. 39°34′16″N 75°41′47″W / 39.57100°N 75.69644°W / 39.57100; -75.69644 (Old Post Office)	Kirkwood
161	Ott's Chapel	More images	August 13, 1986 (#86001555)	1655 Otts Chapel Road 39°38′03″N 75°46′43″W / 39.63411°N 75.77857°W / 39.63411; -75.77857 (Ott's Chapel)	Pencader Hundred
162	Owl's Nest Country Place		August 30, 2010 (#10000597)	201 Owl's Nest Rd 39°48′55″N 75°37′25″W / 39.81539°N 75.62353°W / 39.81539; -75.62353 (Owl's Nest Country Place)	Centreville
163			October 15, 2019 (#100004513)	2 Jay Dr. 39°41′11″N 75°35′40″W / 39.6864°N 75.5944°W / 39.6864; -75.5944 (Parker's Dairy Palace)	New Castle
164	Penn Farm of the Trustees of the New Castle Common		September 11, 1997 (#97001120)	807 Frenchtown Road 39°40′01″N 75°35′33″W / 39.666944°N 75.5925°W / 39.666944; -75.5925 (Penn Farm of the Trustees of the New Castle Common)	New Castle
165	Thomas Phillips Mill Complex		August 19, 1983 (#83001403)	708 and 712 Nottingham Rd. 39°41′29″N 75°46′40″W / 39.691389°N 75.777778°W / 39.691389; -75.777778 (Thomas Phillips Mill Complex)	Newark
166	T. Pierson Farm		November 13, 1986 (#86003101)	669 Southwood Rd. 39°47′16″N 75°42′56″W / 39.787814°N 75.715642°W / 39.787814; -75.715642 (T. Pierson Farm)	Hockessin
167	Point Farm		April 8, 1982 (#82002331)	2950 Red Lion Road 39°33′18″N 75°42′09″W / 39.55504°N 75.70240°W / 39.55504; -75.70240 (Point Farm)	Kirkwood
168	Poplar Hall		January 26, 1988 (#87002434)	3176 Denny Rd. 39°33′22″N 75°46′28″W / 39.556066°N 75.774453°W / 39.556066; -75.774453 (Poplar Hall)	Newark
169	Public School No. 111-C		October 18, 1979 (#79000625)	50 N. Old Baltimore Pike 39°40′07″N 75°39′31″W / 39.66854°N 75.65860°W / 39.66854; -75.65860 (Public School No. 111-C)	Christiana
170	Public School No. 29		May 22, 1978 (#78000894)	1041 Valley Rd. 39°47′21″N 75°42′02″W / 39.78917°N 75.70052°W / 39.78917; -75.70052 (Public School No. 29)	Hockessin
171	Joshua Pyle House and Wagon Barn		September 13, 1993 (#93000887)	2603 Foulk Rd. 39°49′45″N 75°30′01″W / 39.82919°N 75.50014°W / 39.82919; -75.50014 (Joshua Pyle House and Wagon Barn)	Brandywine Hundred
172	George Read II House		December 23, 2016 (#100000872)	42 The Strand 39°39′35″N 75°33′41″W / 39.659607��N 75.561468°W / 39.659607; -75.561468 (George Read II House)	New Castle
173	Red Clay Creek Presbyterian Church		April 11, 1973 (#73000532)	500 McKennans Church Rd. 39°45′09″N 75°39′33″W / 39.752425°N 75.659261°W / 39.752425; -75.659261 (Red Clay Creek Presbyterian Church)	Newport
174	Rhodes Pharmacy		February 24, 1983 (#83001404)	36 E. Main St. 39°41′00″N 75°45′07″W / 39.683302°N 75.752056°W / 39.683302; -75.752056 (Rhodes Pharmacy)	Newark
175	Robinson House	More images	June 21, 1971 (#71000225)	1 Naamans Road 39°48′37″N 75°26′31″W / 39.81031°N 75.44187°W / 39.81031; -75.44187 (Robinson House)	Claymont	State of Delaware
176	Rockland Historic District	More images	February 1, 1972 (#72000289)	Town of Rockland and its environs along Rockland Rd. and Brandywine Creek 39°47′48″N 75°34′28″W / 39.796667°N 75.574444°W / 39.796667; -75.574444 (Rockland Historic District)	Rockland
177	Rockwood	More images	July 12, 1976 (#76000579)	610 Shipley Rd. 39°46′21″N 75°31′15″W / 39.77250°N 75.52082°W / 39.77250; -75.52082 (Rockwood)	Wilmington	New Castle County park
178	Rosemont		February 27, 2009 (#09000051)	15½ Cragmere Rd. 39°46′12″N 75°29′30″W / 39.77004°N 75.49163°W / 39.77004; -75.49163 (Rosemont)	Wilmington
179	Rotheram Mill House		January 4, 1972 (#72000287)	318 Harmony Rd. 39°41′49″N 75°41′40″W / 39.696867°N 75.694502°W / 39.696867; -75.694502 (Rotheram Mill House)	Newark
180	St. Georges Cemetery Caretaker's House		April 8, 1982 (#82002357)	4320 Kirkwood St. Georges Rd. 39°33′37″N 75°40′10″W / 39.56026°N 75.66957°W / 39.56026; -75.66957 (St. Georges Cemetery Caretaker's House)	St. Georges
181	St. Georges Presbyterian Church		November 7, 1984 (#84000263)	120–200 N. Main St. 39°33′21″N 75°39′07″W / 39.55580°N 75.65185°W / 39.55580; -75.65185 (St. Georges Presbyterian Church)	St. Georges	St. Georges Historical Society
182	St. James Episcopal Church, Mill Creek	More images	May 8, 1973 (#73000543)	2106 St. James Church Rd. 39°43′07″N 75°39′38″W / 39.71860°N 75.66064°W / 39.71860; -75.66064 (St. James Episcopal Church, Mill Creek)	Stanton
183	St. John the Baptist Roman Catholic Church	More images	May 7, 1982 (#82002349)	200 E. Main St. 39°41′02″N 75°44′43″W / 39.683896°N 75.745276°W / 39.683896; -75.745276 (St. John the Baptist Roman Catholic Church)	Newark
184	St. Joseph's on the Brandywine	More images	November 7, 1976 (#76000572)	10 Barley Mill Rd. 39°46′20″N 75°35′19″W / 39.77211°N 75.58849°W / 39.77211; -75.58849 (St. Joseph's on the Brandywine)	Greenville
185	St. Thomas Episcopal Church		May 7, 1982 (#82002350)	21 S. Main St. 39°40′56″N 75°45′24″W / 39.682097°N 75.756585°W / 39.682097; -75.756585 (St. Thomas Episcopal Church)	Newark	University of Delaware
186	Charles Springer Tavern		September 11, 1992 (#92001142)	7 Stone Barn Ln. 39°45′42″N 75°37′13″W / 39.76172°N 75.62025°W / 39.76172; -75.62025 (Charles Springer Tavern)	Christiana Hundred
187	Springer Farm	More images	November 13, 1986 (#86003103)	6621 Limestone Rd. 39°47′09″N 75°43′28″W / 39.785733°N 75.724313°W / 39.785733; -75.724313 (Springer Farm)	Hockessin
188	Springer-Cranston House		September 30, 1994 (#94001177)	1015 Stanton Rd. in Mill Creek Hundred 39°43′33″N 75°38′18″W / 39.72592°N 75.63836°W / 39.72592; -75.63836 (Springer-Cranston House)	Marshallton
189	Starl House		April 8, 1982 (#82002358)	U.S. Route 13 39°34′44″N 75°39′30″W / 39.578889°N 75.658333°W / 39.578889; -75.658333 (Starl House)	St. Georges	Demolished between 1982 and 1992.
190	State Theater		February 24, 1983 (#83001405)	39 E. Main St. 39°40′59″N 75°45′07″W / 39.683014°N 75.751905°W / 39.683014; -75.751905 (State Theater)	Newark	The State Theater was demolished in 1989.[7]
191	James Steel House		August 19, 1983 (#83001341)	1016 W. Church St. 39°41′28″N 75°47′09″W / 39.691217°N 75.785858°W / 39.691217; -75.785858 (James Steel House)	White Clay Creek Hundred
192	James Stewart House		June 11, 1986 (#86001314)	2611 Del Laws Rd. 39°36′02″N 75°42′56″W / 39.600556°N 75.715556°W / 39.600556; -75.715556 (James Stewart House)	Glasgow
193	James Stewart, Jr., House		August 19, 1983 (#83001340)	563 Walther Rd. 39°38′26″N 75°41′00″W / 39.64063°N 75.68333°W / 39.64063; -75.68333 (James Stewart, Jr., House)	Christiana
194	J. Stinson Farm		November 13, 1986 (#86003080)	750 Corner Ketch Rd. 39°44′39″N 75°43′52″W / 39.744167°N 75.731111°W / 39.744167; -75.731111 (J. Stinson Farm)	Newark
195	Stockton-Montmorency		April 3, 2012 (#12000165)	1700 Walnut Green Rd. 39°47′30″N 75°37′50″W / 39.79175°N 75.63043°W / 39.79175; -75.63043 (Stockton-Montmorency)	Greenville
196	Stonum	More images	November 7, 1973 (#73000524)	900 Washington Ave. 39°39′37″N 75°34′35″W / 39.66037°N 75.57651°W / 39.66037; -75.57651 (Stonum)	New Castle
197	Strand Millas and Rock Spring		July 16, 1973 (#73000520)	204 & 411 Rockland Rd. 39°47′32″N 75°35′02″W / 39.792222°N 75.583889°W / 39.792222; -75.583889 (Strand Millas and Rock Spring)	Montchanin
198	Sutton House		April 24, 1973 (#73000542)	10 Delaware St. 39°33′21″N 75°39′00″W / 39.55578°N 75.64991°W / 39.55578; -75.64991 (Sutton House)	St. Georges
199	Swanwyck	More images	March 17, 1977 (#77000387)	65 Landers Lane 39°41′31″N 75°33′50″W / 39.69193°N 75.56396°W / 39.69193; -75.56396 (Swanwyck)	New Castle
200	William Talley House		February 21, 1985 (#85000310)	1813 Foulk Rd. 39°48′35″N 75°30′55″W / 39.80979°N 75.51531°W / 39.80979; -75.51531 (William Talley House)	Wilmington
201	Joseph Tatnall House		July 14, 1993 (#93000631)	205 S. James St. 39°42′39″N 75°36′34″W / 39.710894°N 75.609511°W / 39.710894; -75.609511 (Joseph Tatnall House)	Newport	Now part of a BASF complex
202	John C. Vansant House		February 16, 1989 (#89000007)	110 Possum Hollow Rd. 39°42′50″N 75°43′37″W / 39.713889°N 75.726944°W / 39.713889; -75.726944 (John C. Vansant House)	Newark	Tri-State Bird Rescue
203	Vernacular Frame House		April 8, 1982 (#82002359)	105 Clarks Corner Rd. 39°33′24″N 75°38′53″W / 39.55673°N 75.64815°W / 39.55673; -75.64815 (Vernacular Frame House)	St. Georges
204	Village of Arden	More images	February 6, 1973 (#73000550)	6 miles north of Wilmington between Marsh Rd., Naaman's Creek, and Ardentown 39°48′40″N 75°29′14″W / 39.811111°N 75.487222°W / 39.811111; -75.487222 (Village of Arden)	Arden
205	R. Walker Barn		November 13, 1986 (#86003082)	Rustic Ln. 39°44′16″N 75°41′47″W / 39.737778°N 75.696389°W / 39.737778; -75.696389 (R. Walker Barn)	Newark
206	Walker's Mill and Walker's Bank	More images	February 1, 1972 (#72000296)	Walkers Mill Rd. 39°46′14″N 75°34′43″W / 39.77068°N 75.57849°W / 39.77068; -75.57849 (Walker's Mill and Walker's Bank)	Wilmington
207	Walnut Green School		August 19, 1994 (#94001014)	Junction of Delaware Route 82 and Owl's Nest Rd. 39°47′37″N 75°37′31″W / 39.79359°N 75.62533°W / 39.79359; -75.62533 (Walnut Green School)	Greenville
208	Walnut Lane		July 22, 1979 (#79000629)	East of Newark at 4133 Stanton-Ogletown Rd. 39°41′02″N 75°41′03″W / 39.683889°N 75.684167°W / 39.683889; -75.684167 (Walnut Lane)	White Clay Creek Hundred	Demolished between 1979 and 1992.
209	Lewis Weldin House		July 14, 1993 (#93000632)	7-9 W. Market St. 39°42′50″N 75°36′36″W / 39.713887°N 75.610118°W / 39.713887; -75.610118 (Lewis Weldin House)	Newport	Demolished between 2007 and 2009
210	Welsh Tract Baptist Church	More images	March 1, 1973 (#73000527)	Welsh Tract Rd. 39°39′01″N 75°45′07″W / 39.650278°N 75.751944°W / 39.650278; -75.751944 (Welsh Tract Baptist Church)	Pencader Hundred
211	Wesley M.E. Church	More images	August 19, 1983 (#83001407)	839 New London Rd. 39°42′42″N 75°46′44″W / 39.71161°N 75.778896°W / 39.71161; -75.778896 (Wesley M.E. Church)	McClellandville
212	White Clay Creek Presbyterian Church	More images	March 20, 1973 (#73000531)	1311 Capitol Trail 39°41′56″N 75°42′36″W / 39.698841°N 75.709964°W / 39.698841; -75.709964 (White Clay Creek Presbyterian Church)	Newark
213	White Hall		July 12, 1990 (#90001072)	130 Michael Ln. 39°34′24″N 75°43′17″W / 39.57343°N 75.72125°W / 39.57343; -75.72125 (White Hall)	Bear
214	Wilmington and Western Railroad	More images	September 8, 1980 (#80000932)	2201 Newport Gap Pike 39°44′19″N 75°37′58″W / 39.738528°N 75.632778°W / 39.738528; -75.632778 (Wilmington and Western Railroad)	Greenbank
215	Wilmington Trust Company Bank		May 7, 1982 (#82002351)	82 E. Main St. 39°41′01″N 75°45′00″W / 39.683479°N 75.750114°W / 39.683479; -75.750114 (Wilmington Trust Company Bank)	Newark
216	Edward R. Wilson House		April 25, 1983 (#83001408)	521 S. College Ave 39°40′08″N 75°45′04″W / 39.66900°N 75.75099°W / 39.66900; -75.75099 (Edward R. Wilson House)	Newark
217	Winterthur Museum and Gardens	More images	February 24, 1971 (#71000233)	6 miles northwest of Wilmington on Delaware Route 52 39°48′31″N 75°36′01″W / 39.808611°N 75.600278°W / 39.808611; -75.600278 (Winterthur Museum and Gardens)	Winterthur
218	Woman's Club of Newport		July 14, 1993 (#93000629)	15 N. Augustine St. 39°42′53″N 75°36′22″W / 39.714821°N 75.606056°W / 39.714821; -75.606056 (Woman's Club of Newport)	Newport
219	Wooddale Bridge	More images	April 11, 1973 (#73000552)	Foxhill Ln. over Red Clay Creek 39°45′57″N 75°38′13″W / 39.76593°N 75.63681°W / 39.76593; -75.63681 (Wooddale Bridge)	Wooddale
220	Wooddale Historic District	More images	August 24, 1979 (#79000630)	Northwest of Newport on Wooddale Rd 39°46′01″N 75°38′18″W / 39.76699°N 75.63821°W / 39.76699; -75.63821 (Wooddale Historic District)	Wooddale
221	Woodstock	More images	September 7, 1973 (#73000551)	102 Middleboro Rd. 39°43′19″N 75°35′24″W / 39.72182°N 75.58997°W / 39.72182; -75.58997 (Woodstock)	Wilmington	New Castle County park
222	Wright House		May 7, 1982 (#82002352)	47 Kent Way 39°40′44″N 75°45′21″W / 39.678910°N 75.755935°W / 39.678910; -75.755935 (Wright House)	Newark	University of Delaware president's house
223	William Young House		October 29, 1982 (#82001029)	507 Black Gates Road 39°47′40″N 75°33′54″W / 39.794444°N 75.565°W / 39.794444; -75.565 (William Young House)	Rockland