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

This is a list of the National Register of Historic Places listings in southern New Castle County, Delaware.
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It is intended to be a complete list of the properties and districts on National Register of Historic Places in New Castle County, Delaware south of the Chesapeake and Delaware Canal. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in a map.
There are 400 properties and districts listed on the National Register in the county. Of those, 87 are located south of the Chesapeake and Delaware Canal and are listed here, including one site further designated as a National Historic Landmark. There are 90 sites in Wilmington, which are listed at National Register of Historic Places listings in Wilmington, Delaware. There are 224 sites in northern New Castle County outside Wilmington, which are listed at National Register of Historic Places listings in northern New Castle County, Delaware.      This National Park Service list is complete through NPS recent listings posted February 28, 2025.
* Wilmington (New Castle) | Northern New Castle | Southern New Castle | Kent | Sussex

## Current listings south of the Chesapeake and Delaware Canal

| | Name on the Register | Image | Date listed | Location | City or town | Description |
| 1 | Achmester | Achmester More images | December 28, 1979 (#79000626) | 617 Marl Pit Rd. 39°29′02″N 75°42′27″W﻿ / ﻿39.483889°N 75.7075°W﻿ / 39.483889; -75.7075﻿ (Achmester) | Middletown (St. Georges Hundred) | Owned by New Castle County, demolition by neglect, torn down in 2022. |
| 2 | Appoquinimink Friends Meetinghouse | Appoquinimink Friends Meetinghouse | December 4, 1972 (#72000288) | 624 Main St. 39°27′26″N 75°39′50″W﻿ / ﻿39.45733°N 75.66380°W﻿ / 39.45733; -75.66380﻿ (Appoquinimink Friends Meetinghouse) | Odessa | Very small brick meetinghouse used as an Underground Railroad station |
| 3 | Armstrong-Walker House | Armstrong-Walker House | September 13, 1985 (#85002103) | 5036 Summit Bridge Rd. 39°28′41″N 75°43′16″W﻿ / ﻿39.478025°N 75.721174°W﻿ / 39.478025; -75.721174﻿ (Armstrong-Walker House) | Middletown (St. Georges Hundred) | |
| 4 | Ashton Historic District | Ashton Historic District More images | November 15, 1978 (#78000903) | North of Port Penn on Thorntown Rd. 39°31′52″N 75°35′03″W﻿ / ﻿39.531111°N 75.584167°W﻿ / 39.531111; -75.584167﻿ (Ashton Historic District) | Port Penn | |
| 5 | Augustine Beach Hotel | Augustine Beach Hotel More images | April 3, 1973 (#73000537) | 1919 Augustine Beach Rd. 39°30′27″N 75°34′47″W﻿ / ﻿39.5075°N 75.579722°W﻿ / 39.5075; -75.579722﻿ (Augustine Beach Hotel) | Port Penn vicinity | |
| 6 | Duncan Beard Site | Duncan Beard Site | December 18, 1973 (#73000534) | 1.4 miles southeast on Delaware Route 299 from intersection with U.S. Route 13 39°26′25″N 75°38′38″W﻿ / ﻿39.440353°N 75.643908°W﻿ / 39.440353; -75.643908﻿ (Duncan Beard Site) | Odessa (Appoquinimink Hundred) | |
| 7 | Belleview | Belleview | September 13, 1985 (#85002104) | 855 Shallcross Lake Rd. 39°29′27″N 75°39′53″W﻿ / ﻿39.490963°N 75.664741°W﻿ / 39.490963; -75.664741﻿ (Belleview) | Middletown (St. Georges Hundred) | |
| 8 | Biddle House | Biddle House More images | December 8, 1978 (#78000908) | 2120 DuPont Parkway 39°31′25″N 75°38′52″W﻿ / ﻿39.523611°N 75.647778°W﻿ / 39.523611; -75.647778﻿ (Biddle House) | Biddles Corner | |
| 9 | Gov. Benjamin T. Biggs Farm | Gov. Benjamin T. Biggs Farm | September 11, 1987 (#87001508) | 1196 Choptank Rd. 39°30′54″N 75°44′46″W﻿ / ﻿39.515°N 75.746111°W﻿ / 39.515; -75.746111﻿ (Gov. Benjamin T. Biggs Farm) | Middletown (Pencader Hundred) | |
| 10 | Brook Ramble | Brook Ramble | September 11, 1992 (#92001137) | 295 Grears Corner Rd. 39°24′09″N 75°43′55″W﻿ / ﻿39.402399°N 75.732005°W﻿ / 39.402399; -75.732005﻿ (Brook Ramble) | Townsend (Appoquinimink Hundred) | |
| 11 | Choptank | Choptank | September 13, 1985 (#85002108) | 1542 Choptank Rd. 39°29′49″N 75°44′24″W﻿ / ﻿39.496833°N 75.740039°W﻿ / 39.496833; -75.740039﻿ (Choptank) | Middletown (St. Georges Hundred) | |
| 12 | Choptank-Upon-The-Hill | Choptank-Upon-The-Hill | November 19, 1985 (#85003528) | 121 Colonel Clayton Dr. 39°29′48″N 75°44′49″W﻿ / ﻿39.496693°N 75.747019°W﻿ / 39.496693; -75.747019﻿ (Choptank-Upon-The-Hill) | Middletown (St. Georges Hundred) | |
| 13 | Clearfield Farm | Clearfield Farm | March 20, 1973 (#73000540) | 867 Smyrna Landing Rd. 39°19′43″N 75°36′06″W﻿ / ﻿39.328611°N 75.601667°W﻿ / 39.328611; -75.601667﻿ (Clearfield Farm) | Smyrna (Blackbird Hundred) | |
| 14 | Cleaver House | Cleaver House | September 13, 1985 (#85002116) | 713 Port Penn Rd. 39°31′23″N 75°36′52″W﻿ / ﻿39.522917°N 75.614487°W﻿ / 39.522917; -75.614487﻿ (Cleaver House) | Port Penn | |
| 15 | Cochran Grange | Cochran Grange | April 3, 1973 (#73000514) | 704 Middletown-Warwick Rd. 39°26′35″N 75°44′11″W﻿ / ﻿39.443056°N 75.736389°W﻿ / 39.443056; -75.736389﻿ (Cochran Grange) | Middletown | |
| 16 | Corbit-Sharp House | Corbit-Sharp House More images | December 24, 1967 (#67000004) | 118 Main St. 39°27′14″N 75°39′25″W﻿ / ﻿39.45391°N 75.65694°W﻿ / 39.45391; -75.65694﻿ (Corbit-Sharp House) | Odessa | |
| 17 | Cornucopia | Cornucopia | September 8, 1987 (#87001517) | 1377 Bethel Church Rd. 39°31′33″N 75°46′23″W﻿ / ﻿39.525742°N 75.773122°W﻿ / 39.525742; -75.773122﻿ (Cornucopia) | Middletown (Pencader Hundred) | |
| 18 | Delaware Boundary Markers | Delaware Boundary Markers | February 18, 1975 (#75002101) | Delaware state boundary lines with Maryland and Pennsylvania $^{Coordinatesmissing}$ | Not applicable | |
| 19 | Dilworth House | Dilworth House | November 27, 1973 (#73000538) | Off Delaware Route 9 39°31′05″N 75°36′17″W﻿ / ﻿39.518056°N 75.604722°W﻿ / 39.518056; -75.604722﻿ (Dilworth House) | Port Penn | |
| 20 | A. Eliason House | A. Eliason House | September 13, 1985 (#85002110) | 4353 Summit Bridge Rd. 39°31′07″N 75°42′50″W﻿ / ﻿39.518520°N 75.713783°W﻿ / 39.518520; -75.713783﻿ (A. Eliason House) | Mt. Pleasant (St. Georges Hundred) | |
| 21 | Elm Grange | Elm Grange | September 13, 1985 (#85002120) | 2424 DuPont Parkway 39°29′50″N 75°38′56″W﻿ / ﻿39.497156°N 75.648978°W﻿ / 39.497156; -75.648978﻿ (Elm Grange) | Odessa (St. Georges Hundred) | Demolished between 2007 and 2009. |
| 22 | Fairview | Fairview | November 19, 1985 (#85003523) | 781 Lorewood Grove Rd. 39°32′08″N 75°40′22″W﻿ / ﻿39.535630°N 75.672800°W﻿ / 39.535630; -75.672800﻿ (Fairview) | Odessa (St. Georges Hundred) | |
| 23 | Fairview | Fairview | May 3, 1984 (#84000835) | 602 Old State Rd. 39°26′56″N 75°38′53″W﻿ / ﻿39.448850°N 75.648132°W﻿ / 39.448850; -75.648132﻿ (Fairview) | Odessa (Appoquinimink Hundred) | Also known as the "Mayor James Moore House" |
| 24 | Fairview | Fairview | September 8, 1987 (#87001494) | 3 East Stonewall Dr. 39°31′26″N 75°45′44″W﻿ / ﻿39.523868°N 75.762229°W﻿ / 39.523868; -75.762229﻿ (Fairview) | Middletown (Pencader Hundred) | |
| 25 | Fields Heirs | Fields Heirs | September 13, 1985 (#85002109) | Off Middletown Warwick Road 39°27′25″N 75°43′31″W﻿ / ﻿39.457021°N 75.725314°W﻿ / 39.457021; -75.725314﻿ (Fields Heirs) | Middletown | Demolished between 1992 and 2002 |
| 26 | Fleming House | Fleming House | January 31, 1980 (#80000934) | 992 Flemings Landing Rd. 39°21′17″N 75°33′03″W﻿ / ﻿39.354720°N 75.550934°W﻿ / 39.354720; -75.550934﻿ (Fleming House) | Smyrna (Blackbird Hundred) | |
| 27 | J. M. Gordon House | J. M. Gordon House | September 13, 1985 (#85002121) | 910 Vance Neck Rd. 39°28′27″N 75°37′27″W﻿ / ﻿39.474171°N 75.624245°W﻿ / 39.474171; -75.624245﻿ (J. M. Gordon House) | Odessa (St. Georges Hundred) | |
| 28 | Green Meadow | Green Meadow More images | September 11, 1992 (#92001132) | 484 Thomas Landing Rd. (Road 440) 39°26′54″N 75°36′49″W﻿ / ﻿39.448346°N 75.613717°W﻿ / 39.448346; -75.613717﻿ (Green Meadow) | Odessa (Appoquinimink Hundred) | |
| 29 | Greenlawn | Greenlawn | April 24, 1973 (#73000515) | 671 N. Broad St. 39°27′26″N 75°43′07″W﻿ / ﻿39.457222°N 75.718611°W﻿ / 39.457222; -75.718611﻿ (Greenlawn) | Middletown | Demolished c. 1985 |
| 30 | Robert Grose House | Upload image | September 21, 2001 (#01001006) | 1000 Port Penn Rd. 39°31′10″N 75°35′39″W﻿ / ﻿39.519411°N 75.594304°W﻿ / 39.519411; -75.594304﻿ (Robert Grose House) | Port Penn | Demolished between 2002 and 2006 |
| 31 | B. F. Hanson House | B. F. Hanson House | April 27, 1982 (#82002332) | 1130 Middletown-Warwick Rd. 39°25′40″N 75°45′35″W﻿ / ﻿39.427861°N 75.759776°W﻿ / 39.427861; -75.759776﻿ (B. F. Hanson House) | Middletown (St. Georges Hundred) | |
| 32 | Hart House | Hart House | March 20, 1973 (#73000544) | 477 Cedar Swamp Rd. 39°24′57″N 75°32′53″W﻿ / ﻿39.415701°N 75.547956°W﻿ / 39.415701; -75.547956﻿ (Hart House) | Taylors Bridge | |
| 33 | Hazel Glen | Hazel Glen | November 20, 1978 (#78000904) | 1920 Pole Bridge Rd. 39°30′51″N 75°36′57″W﻿ / ﻿39.514167°N 75.615833°W﻿ / 39.514167; -75.615833﻿ (Hazel Glen) | Port Penn | Demolished before 1991 |
| 34 | Hedgelawn | Hedgelawn More images | April 3, 1973 (#73000516) | 772 Middletown-Warwick Rd. 39°26′29″N 75°44′30″W﻿ / ﻿39.441411°N 75.741573°W﻿ / 39.441411; -75.741573﻿ (Hedgelawn) | Middletown | |
| 35 | Hell Island Site | Upload image | April 13, 1977 (#77000390) | Address Restricted | Odessa | |
| 36 | S. Higgins Farm | S. Higgins Farm | September 13, 1985 (#85002122) | 913 Ash Farm Way 39°29′36″N 75°37′56″W﻿ / ﻿39.493438°N 75.632275°W﻿ / 39.493438; -75.632275﻿ (S. Higgins Farm) | Odessa (St. Georges Hundred) | |
| 37 | Hill Island Farm | Hill Island Farm | September 11, 1992 (#92001139) | 3381 Harris Rd. 39°26′03″N 75°40′02″W﻿ / ﻿39.434291°N 75.667190°W﻿ / 39.434291; -75.667190﻿ (Hill Island Farm) | Middletown | |
| 38 | S. Holton Farm | S. Holton Farm | September 13, 1985 (#85002105) | 2010 Choptank Rd. 39°28′18″N 75°44′10″W﻿ / ﻿39.471642°N 75.736169°W﻿ / 39.471642; -75.736169﻿ (S. Holton Farm) | Middletown | |
| 39 | Homestead Hall | Homestead Hall | August 13, 2018 (#100002770) | 362 Grears Corner Rd. 39°23′44″N 75°44′05″W﻿ / ﻿39.3955°N 75.7348°W﻿ / 39.3955; -75.7348﻿ (Homestead Hall) | Townsend | |
| 40 | Huguenot House | Huguenot House More images | March 20, 1973 (#73000545) | 798 Taylors Bridge Rd. 39°24′02″N 75°36′57″W﻿ / ﻿39.400454°N 75.615802°W﻿ / 39.400454; -75.615802﻿ (Huguenot House) | Taylors Bridge | |
| 41 | Idalia Manor | Idalia Manor | September 13, 1985 (#85002118) | 1870 DuPont Parkway 39°32′25″N 75°38′49″W﻿ / ﻿39.540213°N 75.646950°W﻿ / 39.540213; -75.646950﻿ (Idalia Manor) | Mt. Pleasant (St. Georges Hundred) | |
| 42 | Johnson Home Farm | Upload image | September 11, 1992 (#92001133) | 166 Cedar Swamp Rd. 39°24′42″N 75°34′59″W﻿ / ﻿39.411667°N 75.583056°W﻿ / 39.411667; -75.583056﻿ (Johnson Home Farm) | Taylors Bridge | Demolished between 1992 and 2002 |
| 43 | Liston House | Upload image | March 26, 1973 (#73000546) | Cedar Swamp Rd. 39°24′17″N 75°32′35″W﻿ / ﻿39.404722°N 75.543056°W﻿ / 39.404722; -75.543056﻿ (Liston House) | Taylors Bridge | Demolished before 1991 |
| 44 | Liston Range Front Lighthouse | Liston Range Front Lighthouse More images | January 14, 2004 (#03001386) | 1600 Belts Rd. 39°28′58″N 75°35′31″W﻿ / ﻿39.482778°N 75.591944°W﻿ / 39.482778; -75.591944﻿ (Liston Range Front Lighthouse) | Bay View Beach | |
| 45 | Liston Range Rear Light Station | Liston Range Rear Light Station More images | November 15, 1978 (#78000905) | West of Port Penn on Road 2 39°31′25″N 75°38′24″W﻿ / ﻿39.523611°N 75.64°W﻿ / 39.523611; -75.64﻿ (Liston Range Rear Light Station) | Port Penn | |
| 46 | Comdr. Thomas MacDonough House | Comdr. Thomas MacDonough House | December 12, 1978 (#78000902) | 2501 DuPont Parkway 39°29′29″N 75°39′02″W﻿ / ﻿39.491366°N 75.650498°W﻿ / 39.491366; -75.650498﻿ (Comdr. Thomas MacDonough House) | Odessa (St. Georges Hundred) | |
| 47 | Maple Grove Farm | Upload image | September 13, 1985 (#85002106) | Delaware Route 299 39°26′51″N 75°42′07″W﻿ / ﻿39.447441°N 75.701928°W﻿ / 39.447441; -75.701928﻿ (Maple Grove Farm) | Middletown | Demolished between 1992 and 2002 |
| 48 | Maples | Maples | February 17, 1978 (#78000895) | 1023 Bunker Hill Rd. 39°27′18″N 75°44′16″W﻿ / ﻿39.454936°N 75.737883°W﻿ / 39.454936; -75.737883﻿ (Maples) | Middletown (St. Georges Hundred) | |
| 49 | Mayfield | Mayfield | August 1, 1997 (#97000836) | 1603 Levels Rd. 39°24′01″N 75°45′21″W﻿ / ﻿39.400278°N 75.755833°W﻿ / 39.400278; -75.755833﻿ (Mayfield) | Middletown (Appoquinimink Hundred) | |
| 50 | McWhorter House | McWhorter House | September 13, 1985 (#85002123) | 606 Lorewood Grove Rd. 39°32′26″N 75°39′43″W﻿ / ﻿39.540463°N 75.661838°W﻿ / 39.540463; -75.661838﻿ (McWhorter House) | Odessa (St. Georges Hundred) | Demolished in 2004 |
| 51 | Middletown Academy | Middletown Academy | December 5, 1972 (#72000284) | 218 N. Broad St. 39°27′05″N 75°43′04″W﻿ / ﻿39.451389°N 75.717778°W﻿ / 39.451389; -75.717778﻿ (Middletown Academy) | Middletown | |
| 52 | Middletown Historic District | Middletown Historic District More images | October 4, 1978 (#78000896) | Roughly bounded by Redding, Scott, Lockwood, and Catherine Sts. 39°26′59″N 75°43′00″W﻿ / ﻿39.4496°N 75.7166°W﻿ / 39.4496; -75.7166﻿ (Middletown Historic District) | Middletown | |
| 53 | Misty Vale | Misty Vale | September 13, 1985 (#85002111) | 216 Manchester Way 39°29′20″N 75°38′22″W﻿ / ﻿39.488894°N 75.639342°W﻿ / 39.488894; -75.639342﻿ (Misty Vale) | Odessa (St. Georges Hundred) | |
| 54 | Mondamon Farm | Mondamon Farm | November 19, 1985 (#85003524) | 381 Port Penn Rd. 39°31′28″N 75°38′27″W﻿ / ﻿39.524576°N 75.640926°W﻿ / 39.524576; -75.640926﻿ (Mondamon Farm) | Odessa (St. Georges Hundred) | |
| 55 | Monterey | Monterey More images | December 5, 1980 (#80000933) | 692 Bayview Rd. 39°29′28″N 75°38′37″W﻿ / ﻿39.490984°N 75.643601°W﻿ / 39.490984; -75.643601﻿ (Monterey) | Odessa (St. Georges Hundred) | |
| 56 | Arnold S. Naudain House | Arnold S. Naudain House | April 24, 1973 (#73000517) | 5567 Summit Bridge Rd. 39°25′15″N 75°42′13″W﻿ / ﻿39.420926°N 75.703536°W﻿ / 39.420926; -75.703536﻿ (Arnold S. Naudain House) | Middletown (St. Georges Hundred) | |
| 57 | John B. Nelson House | John B. Nelson House | December 8, 1978 (#78000906) | 740 Dutch Neck Road 39°31′58″N 75°37′58″W﻿ / ﻿39.532763°N 75.632667°W﻿ / 39.532763; -75.632667﻿ (John B. Nelson House) | Port Penn | |
| 58 | Noxontown | Noxontown | July 2, 1973 (#73000518) | Noxontown Road 39°26′09″N 75°41′02″W﻿ / ﻿39.435833°N 75.683889°W﻿ / 39.435833; -75.683889﻿ (Noxontown) | Middletown | |
| 59 | Odessa Historic District | Odessa Historic District More images | June 21, 1971 (#71000227) | Bounded roughly by Appoquinimink Creek on the southeast, High St. on the northeast, 4th St. on the northwest, and Main St. on the southwest 39°27′14″N 75°39′23″W﻿ / ﻿39.453889°N 75.656389°W﻿ / 39.453889; -75.656389﻿ (Odessa Historic District) | Odessa | |
| 60 | Okolona | Okolona | November 19, 1985 (#85003527) | 1321 Shallcross Lake Rd. 39°28′35″N 75°41′31″W﻿ / ﻿39.476268°N 75.691831°W﻿ / 39.476268; -75.691831﻿ (Okolona) | Middletown (St. Georges Hundred) | |
| 61 | Old Brick Store | Old Brick Store | August 14, 1973 (#73000541) | 670 Brick Store Landing Rd. 39°19′19″N 75°34′20″W﻿ / ﻿39.321999°N 75.572338°W﻿ / 39.321999; -75.572338﻿ (Old Brick Store) | Smyrna (Blackbird Hundred) | 1767 Brick Store |
| 62 | Old Drawyers Church | Old Drawyers Church | February 6, 1973 (#73000533) | 2839 DuPont Parkway 39°28′04″N 75°39′15″W﻿ / ﻿39.467669°N 75.654221°W﻿ / 39.467669; -75.654221﻿ (Old Drawyers Church) | Odessa (St. Georges Hundred) | |
| 63 | Old Ford Dairy | Upload image | September 13, 1985 (#85002112) | 1871 DuPont Parkway 39°32′25″N 75°39′07″W﻿ / ﻿39.540290°N 75.651829°W﻿ / 39.540290; -75.651829﻿ (Old Ford Dairy) | Odessa (St. Georges Hundred) | Demolished between 2007 and 2009 |
| 64 | Old St. Anne's Church | Old St. Anne's Church | March 7, 1973 (#73000519) | 105 St Annes Church Rd. 39°26′09″N 75°42′47″W﻿ / ﻿39.435900°N 75.713110°W﻿ / 39.435900; -75.713110﻿ (Old St. Anne's Church) | Middletown | |
| 65 | Old St. Paul's Methodist Episcopal Church | Old St. Paul's Methodist Episcopal Church | May 13, 1982 (#82002353) | 506 High St. 39°27′27″N 75°39′38″W﻿ / ﻿39.457430°N 75.660583°W﻿ / 39.457430; -75.660583﻿ (Old St. Paul's Methodist Episcopal Church) | Odessa | |
| 66 | Old Union Methodist Church | Old Union Methodist Church | January 18, 1973 (#73000507) | 205 Union Church Road 39°23′17″N 75°39′47″W﻿ / ﻿39.388028°N 75.662994°W﻿ / 39.388028; -75.662994﻿ (Old Union Methodist Church) | Townsend (Appoquinimink Hundred) | |
| 67 | Pharo House | Pharo House | August 9, 1984 (#84000850) | 100 Silver Lake Rd. 39°27′01″N 75°41′46″W﻿ / ﻿39.450242°N 75.696171°W﻿ / 39.450242; -75.696171﻿ (Pharo House) | Middletown | |
| 68 | Port Penn Historic District | Port Penn Historic District More images | November 20, 1978 (#78000907) | Delaware Route 9 39°30′57″N 75°34′34″W﻿ / ﻿39.515833°N 75.576111°W﻿ / 39.515833; -75.576111﻿ (Port Penn Historic District) | Port Penn | |
| 69 | Philip Reading Tannery | Philip Reading Tannery | April 26, 1978 (#78000897) | 201 E. Main St. 39°27′02″N 75°42′44″W﻿ / ﻿39.450556°N 75.712222°W﻿ / 39.450556; -75.712222﻿ (Philip Reading Tannery) | Middletown | Demolished between 1992 and 2002 |
| 70 | Reedy Island Range Rear Light | Reedy Island Range Rear Light More images | March 27, 1989 (#89000288) | 1171 Taylors Bridge Rd. 39°24′24″N 75°35′25″W﻿ / ﻿39.406557°N 75.590162°W﻿ / 39.406557; -75.590162﻿ (Reedy Island Range Rear Light) | Taylors Bridge | |
| 71 | Retirement Farm | Retirement Farm More images | September 13, 1985 (#85002113) | 2256 DuPont Parkway 39°30′46″N 75°38′38″W﻿ / ﻿39.512707°N 75.643879°W﻿ / 39.512707; -75.643879﻿ (Retirement Farm) | Odessa (St. Georges Hundred) | |
| 72 | Riverdale | Riverdale | November 19, 1985 (#85003525) | 1211 Silver Run Rd. in St Georges Hundred 39°29′09″N 75°36′17″W﻿ / ﻿39.485905°N 75.604848°W﻿ / 39.485905; -75.604848﻿ (Riverdale) | Odessa | |
| 73 | Rosedale | Rosedale | September 13, 1985 (#85002107) | 1143 Bunker Hill Rd. 39°27′35″N 75°44′43″W﻿ / ﻿39.459718°N 75.745256°W﻿ / 39.459718; -75.745256﻿ (Rosedale) | Middletown (St. Georges Hundred) | |
| 74 | Rumsey Farm | Upload image | March 30, 1978 (#78000898) | 829 Middletown-Warwick Rd. 39°26′29″N 75°44′58″W﻿ / ﻿39.441389°N 75.749444°W﻿ / 39.441389; -75.749444﻿ (Rumsey Farm) | Middletown | Demolished between 2011 and 2013. |
| 75 | St. Joseph's Church | St. Joseph's Church | February 17, 1978 (#78000899) | 15 W. Cochran St. 39°26′52″N 75°43′06″W﻿ / ﻿39.447639°N 75.718210°W﻿ / 39.447639; -75.718210﻿ (St. Joseph's Church) | Middletown | |
| 76 | J. Shallcross House | J. Shallcross House | September 13, 1985 (#85002115) | 557 Middletown-Odessa Rd. 39°27′09″N 75°41′32″W﻿ / ﻿39.452428°N 75.692289°W﻿ / 39.452428; -75.692289﻿ (J. Shallcross House) | Middletown | Mistakenly called "J. K. Williams House" in nomination |
| 77 | Sereck Shallcross House | Sereck Shallcross House | April 3, 1973 (#73000535) | 833 Marl Pit Rd. 39°28′19″N 75°41′25″W﻿ / ﻿39.471883°N 75.690143°W﻿ / 39.471883; -75.690143﻿ (Sereck Shallcross House) | Odessa (St. Georges Hundred) | |
| 78 | Taylor's Bridge School | Taylor's Bridge School | June 20, 2019 (#100004079) | 121 Flemings Landing Rd. 39°24′19″N 75°35′19″W﻿ / ﻿39.4054°N 75.5887°W﻿ / 39.4054; -75.5887﻿ (Taylor's Bridge School) | Townsend vicinity | |
| 79 | David W. Thomas House | David W. Thomas House | September 11, 1992 (#92001136) | 326 Thomas Landing Rd. 39°26′45″N 75°37′38″W﻿ / ﻿39.445833°N 75.627222°W﻿ / 39.445833; -75.627222﻿ (David W. Thomas House) | Odessa (Appoquinimink Hundred) | |
| 80 | Townsend Historic District | Townsend Historic District More images | May 8, 1986 (#86001029) | Roughly bounded by Gray, Ginn and South, Lattamus and Main Sts., and Commerce St. and Cannery Ln. and Railroad Ave. 39°23′39″N 75°41′33″W﻿ / ﻿39.394167°N 75.6925°W﻿ / 39.394167; -75.6925﻿ (Townsend Historic District) | Townsend | |
| 81 | A. M. Vail House | Upload image | September 13, 1985 (#85002117) | 521 Middletown-Odessa Rd. 39°27′07″N 75°41′45″W﻿ / ﻿39.451819°N 75.695872°W﻿ / 39.451819; -75.695872﻿ (A. M. Vail House) | Middletown | Demolished between 2007 and 2009 |
| 82 | Vandyke-Heath House | Vandyke-Heath House | September 11, 1992 (#92001130) | 385 Green Spring-Vandyke Rd. (Road 47) 39°21′26″N 75°44′53″W﻿ / ﻿39.357222°N 75.748056°W﻿ / 39.357222; -75.748056﻿ (Vandyke-Heath House) | Townsend (Appoquinimink Hundred) | Demolished 2020 after arson |
| 83 | Charles C. Weldon House | Charles C. Weldon House | September 13, 1985 (#85002114) | Road 44 39°28′18″N 75°37′51″W﻿ / ﻿39.471667°N 75.630833°W﻿ / 39.471667; -75.630833﻿ (Charles C. Weldon House) | Odessa | Mistakenly called "J. Vandegrift House" in nomination |
| 84 | Weston | Weston | November 19, 1985 (#85003526) | 4677 Summit Bridge Rd. 39°30′02″N 75°42′36″W﻿ / ﻿39.500462°N 75.709952°W﻿ / 39.500462; -75.709952﻿ (Weston) | Middletown (St. Georges Hundred) | |
| 85 | Williams House | Williams House | June 4, 1973 (#73000536) | 993 Marl Pit Rd. 39°28′00″N 75°40′49″W﻿ / ﻿39.466712°N 75.680315°W﻿ / 39.466712; -75.680315﻿ (Williams House) | Odessa (St. Georges Hundred) | |
| 86 | Windsor | Windsor | September 11, 1992 (#92001131) | 1060 Dutch Neck Rd. 39°32′48″N 75°36′53″W﻿ / ﻿39.546667°N 75.614722°W﻿ / 39.546667; -75.614722﻿ (Windsor) | Port Penn | |
| 87 | Woodside | Woodside | September 13, 1985 (#85002119) | 1358 Choptank Rd. 39°30′23″N 75°45′01″W﻿ / ﻿39.506385°N 75.750375°W﻿ / 39.506385; -75.750375﻿ (Woodside) | Mt. Pleasant (Pencader Hundred) | |