# National Register of Historic Places listings in Washington County, Maryland

This is a list of the National Register of Historic Places listings in Washington County, Maryland.
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Washington County, Maryland, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in a map.
There are 103 properties and districts listed on the National Register in the county, including 3 National Historic Landmarks.
Download coordinates as:
* KML
* GPX (all coordinates)
* GPX (primary coordinates)
* GPX (secondary coordinates)
Contents: Counties in Maryland :
* Allegany - Anne Arundel - Baltimore (city) - Baltimore County - Calvert - Caroline - Carroll - Cecil - Charles - Dorchester - Frederick - Garrett - Harford - Howard - Kent - Montgomery - Prince George's - Queen Anne's - Somerset - St. Mary's - Talbot - Washington - Wicomico - Worcester
This National Park Service list is complete through NPS recent listings posted February 28, 2025.

## Current listings

| | Name on the Register | Image | Date listed | Location | City or town | Description |
| 1 | Antietam Furnace Complex Archeological Site | Upload image | August 25, 1983 (#83002963) | Address Restricted | Hagerstown | |
| 2 | Antietam Hall | Antietam Hall | September 24, 1979 (#79003269) | 525 Indian Lane 39°38′12″N 77°40′55″W﻿ / ﻿39.636667°N 77.681944°W﻿ / 39.636667; -77.681944﻿ (Antietam Hall) | Hagerstown | |
| 3 | Antietam Iron Furnace Site and Antietam Village | Antietam Iron Furnace Site and Antietam Village More images | June 26, 1975 (#75000149) | Confluence of Antietam Creek and the Potomac River 39°25′01″N 77°44′33″W﻿ / ﻿39.416944°N 77.7425°W﻿ / 39.416944; -77.7425﻿ (Antietam Iron Furnace Site and Antietam Village) | Antietam | |
| 4 | Antietam National Battlefield | Antietam National Battlefield More images | October 15, 1966 (#66000038) | North of Sharpsburg off Maryland Route 45 39°27′04″N 77°41′09″W﻿ / ﻿39.451111°N 77.685833°W﻿ / 39.451111; -77.685833﻿ (Antietam National Battlefield) | Sharpsburg | Civil War battlefield site. |
| 5 | B&O Bridge | B&O Bridge More images | November 23, 1977 (#77000704) | Northwest of Keedysville over Antietam Creek 39°30′15″N 77°42′49″W﻿ / ﻿39.504167°N 77.713611°W﻿ / 39.504167; -77.713611﻿ (B&O Bridge) | Keedysville | |
| 6 | B & O Railroad Potomac River Crossing | B & O Railroad Potomac River Crossing More images | February 14, 1978 (#78001484) | At the confluence of the Shenandoah and Potomac rivers 39°19′27″N 77°43′43″W﻿ / ﻿39.324167°N 77.728611°W﻿ / 39.324167; -77.728611﻿ (B & O Railroad Potomac River Crossing) | Harpers Ferry | |
| 7 | Baker Farm | Upload image | October 19, 1978 (#78001485) | North of Keedysville off Maryland Route 34 39°29′53″N 77°41′42″W﻿ / ﻿39.498056°N 77.695°W﻿ / 39.498056; -77.695﻿ (Baker Farm) | Keedysville | |
| 8 | Bell-Varner House | Bell-Varner House | September 24, 1979 (#79003271) | Southeast of Leitersburg on Unger Rd. 39°40′04″N 77°36′26″W﻿ / ﻿39.667778°N 77.607222°W﻿ / 39.667778; -77.607222﻿ (Bell-Varner House) | Leitersburg | |
| 9 | Boonsboro Historic District | Boonsboro Historic District | December 23, 2005 (#05001431) | Main St., Potomac St., St. Paul St., High St., Lakin Ave., Center St., Park Dr., Park Ln, Park View, and Young Ave. 39°30′22″N 77°39′09″W﻿ / ﻿39.506111°N 77.6525°W﻿ / 39.506111; -77.6525﻿ (Boonsboro Historic District) | Boonsboro | |
| 10 | Bowman House | Bowman House | April 29, 1977 (#77000702) | 323 N. Main St. 39°30′42″N 77°39′18″W﻿ / ﻿39.51174°N 77.65497°W﻿ / 39.51174; -77.65497﻿ (Bowman House) | Boonsboro | |
| 11 | Brightwood | Brightwood | July 30, 1974 (#74000973) | North of Hagerstown off Maryland Route 60, 2 miles (3.2 km) north of Paramont 39°41′56″N 77°40′43″W﻿ / ﻿39.698889°N 77.678611°W﻿ / 39.698889; -77.678611﻿ (Brightwood) | Hagerstown | |
| 12 | Cedar Grove | Upload image | August 27, 1999 (#99000984) | 15435 Dellinger Rd. 39°32′07″N 77°50′07″W﻿ / ﻿39.535278°N 77.835278°W﻿ / 39.535278; -77.835278﻿ (Cedar Grove) | Williamsport | |
| 13 | William Chapline House | William Chapline House | October 8, 1976 (#76001020) | 109 W. Main St. 39°27′29″N 77°44′59″W﻿ / ﻿39.458056°N 77.749722°W﻿ / 39.458056; -77.749722﻿ (William Chapline House) | Sharpsburg | |
| 14 | Chesapeake and Ohio Canal National Historical Park | Chesapeake and Ohio Canal National Historical Park More images | October 15, 1966 (#66000036) | Bordering the Potomac River from Georgetown, Washington, D.C. to Cumberland, Maryland 39°35′53″N 77°49′40″W﻿ / ﻿39.598147°N 77.827693°W﻿ / 39.598147; -77.827693﻿ (Chesapeake and Ohio Canal National Historical Park) | Antietam, Cedar Grove, Hancock, and Sharpsburg | |
| 15 | Robert Clagett Farm | Upload image | June 5, 1999 (#99000132) | Garrett's Mill Rd. 39°21′03″N 77°41′06″W﻿ / ﻿39.350833°N 77.685°W﻿ / 39.350833; -77.685﻿ (Robert Clagett Farm) | Knoxville | |
| 16 | Colonial Theatre | Colonial Theatre More images | August 2, 1978 (#78001478) | 12-14 S. Potomac St. 39°38′28″N 77°43′13″W﻿ / ﻿39.641111°N 77.720278°W﻿ / 39.641111; -77.720278﻿ (Colonial Theatre) | Hagerstown | |
| 17 | Cool Hollow Home | Cool Hollow Home | December 17, 2018 (#100003253) | 9302 Old National Pike 39°34′08″N 77°41′23″W﻿ / ﻿39.5690°N 77.6898°W﻿ / 39.5690; -77.6898﻿ (Cool Hollow Home) | Hagerstown | |
| 18 | Ditto Knolls | Ditto Knolls | July 12, 1976 (#76001014) | East of Hagerstown on Landis Rd. 39°36′23″N 77°39′45″W﻿ / ﻿39.60644°N 77.6626°W﻿ / 39.60644; -77.6626﻿ (Ditto Knolls) | Hagerstown | |
| 19 | Daniel Donnelly House | Upload image | December 24, 2003 (#03001333) | 14906 Falling Waters Rd. 39°33′23″N 77°51′15″W﻿ / ﻿39.556389°N 77.854167°W﻿ / 39.556389; -77.854167﻿ (Daniel Donnelly House) | Williamsport | |
| 20 | Dorsey-Palmer House | Dorsey-Palmer House | April 15, 1978 (#78001479) | North of Hagerstown on Maryland Route 60 39°40′41″N 77°41′02″W﻿ / ﻿39.678056°N 77.683889°W﻿ / 39.678056; -77.683889﻿ (Dorsey-Palmer House) | Hagerstown | |
| 21 | Doub Farm | Upload image | November 15, 1978 (#78001486) | North of Keedysville 39°29′37″N 77°41′51″W﻿ / ﻿39.493611°N 77.6975°W﻿ / 39.493611; -77.6975﻿ (Doub Farm) | Keedysville | |
| 22 | Doub's Mill Historic District | Doub's Mill Historic District More images | October 1, 1979 (#79003270) | Southwest of Beaver Creek on Beaver Creek Rd. 39°34′43″N 77°39′18″W﻿ / ﻿39.578611°N 77.655°W﻿ / 39.578611; -77.655﻿ (Doub's Mill Historic District) | Beaver Creek | |
| 23 | Elliot-Bester House | Elliot-Bester House | May 2, 1975 (#75000924) | 205-207 S. Potomac St. 39°38′19″N 77°43′22″W﻿ / ﻿39.638611°N 77.722778°W﻿ / 39.638611; -77.722778﻿ (Elliot-Bester House) | Hagerstown | |
| 24 | Elmwood | Elmwood | December 26, 2012 (#12001085) | 16311 Kendle Rd. 39°35′10″N 77°48′06″W﻿ / ﻿39.586095°N 77.801723°W﻿ / 39.586095; -77.801723﻿ (Elmwood) | Williamsport | |
| 25 | Joseph Fiery House | Upload image | December 27, 2002 (#02001588) | 15107 Hicksville Rd. 39°42′06″N 77°50′49″W﻿ / ﻿39.701667°N 77.846944°W﻿ / 39.701667; -77.846944﻿ (Joseph Fiery House) | Clear Spring | |
| 26 | Fort Frederick | Fort Frederick More images | November 7, 1973 (#73000939) | Southeast of Big Pool near the junction of Maryland Routes 44 and 56 39°36′33″N 78°00′12″W﻿ / ﻿39.609167°N 78.003333°W﻿ / 39.609167; -78.003333﻿ (Fort Frederick) | Big Pool | |
| 27 | Jacob M. Funk Farm | Jacob M. Funk Farm | October 14, 2010 (#10000829) | 21116 Black Rock Road 39°34′49″N 77°37′58″W﻿ / ﻿39.580278°N 77.632778°W﻿ / 39.580278; -77.632778﻿ (Jacob M. Funk Farm) | Hagerstown | |
| 28 | Funkstown Historic District | Funkstown Historic District | September 8, 2000 (#00001050) | Roughly bounded by Antietam Creek, U.S. Route 40A, Stouffer Ave., and High St. 39°36′30″N 77°42′36″W﻿ / ﻿39.608333°N 77.71°W﻿ / 39.608333; -77.71﻿ (Funkstown Historic District) | Funkstown | |
| 29 | Garden Hill | Garden Hill | December 27, 2002 (#02001590) | 1251 Frederick St. 39°36′49″N 77°42′45″W﻿ / ﻿39.613611°N 77.7125°W﻿ / 39.613611; -77.7125﻿ (Garden Hill) | Hagerstown | |
| 30 | Geeting Farm | Geeting Farm | November 25, 1977 (#77000705) | South of Keedysville at Geeting and Dog Rds. 39°28′40″N 77°41′54″W﻿ / ﻿39.477778°N 77.698333°W﻿ / 39.477778; -77.698333﻿ (Geeting Farm) | Keedysville | |
| 31 | Good-Hartle Farm | Good-Hartle Farm | December 9, 1999 (#99001543) | 13357 Little Antietam Rd. 39°40′52″N 77°37′41″W﻿ / ﻿39.681111°N 77.628056°W﻿ / 39.681111; -77.628056﻿ (Good-Hartle Farm) | Hagerstown | |
| 32 | Good-Reilly House | Good-Reilly House | December 30, 2002 (#02001591) | 107 E. Main St. 39°27′30″N 77°44′55″W﻿ / ﻿39.458333°N 77.748611°W﻿ / 39.458333; -77.748611﻿ (Good-Reilly House) | Sharpsburg | |
| 33 | Hager House | Hager House More images | November 5, 1974 (#74000974) | 19 Key St. 39°38′22″N 77°43′50″W﻿ / ﻿39.639444°N 77.730556°W﻿ / 39.639444; -77.730556﻿ (Hager House) | Hagerstown | |
| 34 | William Hagerman Farmstead | Upload image | December 27, 2002 (#02001592) | 7207 Dam #4 Rd. 39°30′41″N 77°49′00″W﻿ / ﻿39.511389°N 77.816667°W﻿ / 39.511389; -77.816667﻿ (William Hagerman Farmstead) | Sharpsburg | |
| 35 | Hagerstown Armory | Hagerstown Armory | September 25, 1985 (#85002673) | 328 N. Potomac St. 39°38′47″N 77°43′00″W﻿ / ﻿39.646389°N 77.716667°W﻿ / 39.646389; -77.716667﻿ (Hagerstown Armory) | Hagerstown | |
| 36 | Hagerstown Charity School | Hagerstown Charity School | December 16, 1982 (#82001601) | 102 E. Washington St. 39°38′26″N 77°43′05″W﻿ / ﻿39.640556°N 77.718056°W﻿ / 39.640556; -77.718056﻿ (Hagerstown Charity School) | Hagerstown | |
| 37 | Hagerstown City Park Historic District | Hagerstown City Park Historic District More images | July 5, 1990 (#90001017) | Roughly bounded by W. Howard St., Guilford Ave., Memorial, S. Walnut St., and the Norfolk & Western railroad line 39°38′10″N 77°43′50″W﻿ / ﻿39.636111°N 77.730556°W﻿ / 39.636111; -77.730556﻿ (Hagerstown City Park Historic District) | Hagerstown | |
| 38 | Hagerstown Commercial Core Historic District | Hagerstown Commercial Core Historic District More images | January 17, 1983 (#83002964) | Potomac, Washington, Franklin, Antietam, Summit, and Jonathan Sts. 39°38′33″N 77°43′18″W﻿ / ﻿39.6425°N 77.721667°W﻿ / 39.6425; -77.721667﻿ (Hagerstown Commercial Core Historic District) | Hagerstown | |
| 39 | Hagerstown Historic District | Hagerstown Historic District More images | February 2, 1994 (#93001551) | Roughly bounded by Prospect and Cannon Aves., Memorial Boulevard, and the CSX railroad line 39°38′23″N 77°43′06″W﻿ / ﻿39.639722°N 77.718333°W﻿ / 39.639722; -77.718333﻿ (Hagerstown Historic District) | Hagerstown | |
| 40 | Harpers Ferry National Historical Park | Harpers Ferry National Historical Park More images | October 15, 1966 (#66000041) | At the confluence of the Shenandoah and Potomac rivers 39°18′59″N 77°43′09″W﻿ / ﻿39.316389°N 77.719167°W﻿ / 39.316389; -77.719167﻿ (Harpers Ferry National Historical Park) | Harpers Ferry | |
| 41 | Joseph C. Hays House | Joseph C. Hays House More images | December 12, 2006 (#06001125) | 103-105 W. Main St. 39°27′30″N 77°44′58″W﻿ / ﻿39.45829°N 77.74932°W﻿ / 39.45829; -77.74932﻿ (Joseph C. Hays House) | Sharpsburg | |
| 42 | Jacob Highbarger House | Jacob Highbarger House | December 27, 2002 (#02001593) | 201 W. Main St. 39°27′27″N 77°45′06″W﻿ / ﻿39.45757°N 77.75161°W﻿ / 39.45757; -77.75161﻿ (Jacob Highbarger House) | Sharpsburg | |
| 43 | Hills, Dales and The Vinyard | Hills, Dales and The Vinyard | December 1, 2000 (#00001460) | 16 Dogstreet Rd. 39°29′00″N 77°42′25″W﻿ / ﻿39.483333°N 77.706944°W﻿ / 39.483333; -77.706944﻿ (Hills, Dales and The Vinyard) | Keedysville | |
| 44 | Hitt's Mill and Houses | Hitt's Mill and Houses | April 12, 1979 (#79001147) | West of Keedysville off Maryland Route 34 39°29′06″N 77°42′44″W﻿ / ﻿39.485°N 77.712222°W﻿ / 39.485; -77.712222﻿ (Hitt's Mill and Houses) | Keedysville | |
| 45 | Hoffman Farm | Hoffman Farm More images | October 10, 1997 (#97001183) | 18651 Keedysville Rd. 39°29′53″N 77°43′19″W﻿ / ﻿39.498056°N 77.721944°W﻿ / 39.498056; -77.721944﻿ (Hoffman Farm) | Keedysville | |
| 46 | Hogmire-Berryman Farm | Upload image | March 28, 1980 (#80001842) | North of Spielman off Maryland Route 63 39°32′32″N 77°46′00″W﻿ / ﻿39.542222°N 77.766667°W﻿ / 39.542222; -77.766667﻿ (Hogmire-Berryman Farm) | Spielman | |
| 47 | Houses At 16-22 East Lee Street | Houses At 16-22 East Lee Street | November 25, 1977 (#77000703) | 16-22 E. Lee St. 39°38′12″N 77°43′19″W﻿ / ﻿39.636667°N 77.721944°W﻿ / 39.636667; -77.721944﻿ (Houses At 16-22 East Lee Street) | Hagerstown | |
| 48 | Huckleberry Hall | Upload image | December 28, 1990 (#90001994) | Charles Mill Rd., west of its junction with Maryland Route 64 39°41′18″N 77°35′27″W﻿ / ﻿39.688333°N 77.590833°W﻿ / 39.688333; -77.590833﻿ (Huckleberry Hall) | Leitersburg | |
| 49 | Ingram-Schipper Farm | Upload image | September 24, 1979 (#79003259) | Mapleville Road (MD 66), North of Boonsboro 39°33′46″N 77°39′37″W﻿ / ﻿39.562778°N 77.660278°W﻿ / 39.562778; -77.660278﻿ (Ingram-Schipper Farm) | Boonsboro | |
| 50 | Kennedy Farm | Kennedy Farm More images | November 7, 1973 (#73000941) | Chestnut Grove Rd. 39°22′47″N 77°42′56″W﻿ / ﻿39.379722°N 77.715556°W﻿ / 39.379722; -77.715556﻿ (Kennedy Farm) | Samples Manor | Known as John Brown's Headquarters. |
| 51 | Keedy House | Keedy House | July 25, 1974 (#74000972) | Northwest of Boonsboro off U.S. Route 40A on Barnes Rd. 39°32′22″N 77°41′55″W﻿ / ﻿39.53956°N 77.69858°W﻿ / 39.53956; -77.69858﻿ (Keedy House) | Boonsboro | |
| 52 | Keedysville Historic District | Keedysville Historic District | October 26, 2001 (#01001183) | Along Main St. 39°29′12″N 77°41′56″W﻿ / ﻿39.486667°N 77.698889°W﻿ / 39.486667; -77.698889﻿ (Keedysville Historic District) | Keedysville | |
| 53 | Kefauver Place | Upload image | August 26, 2005 (#05000908) | 20515 Park Hall Rd. 39°27′01″N 77°39′14″W﻿ / ﻿39.450278°N 77.653889°W﻿ / 39.450278; -77.653889﻿ (Kefauver Place) | Rohrersville | |
| 54 | Lantz-Zeigler House | Lantz-Zeigler House | October 8, 1998 (#98001231) | 21000 Leitersburg Pike 39°41′20″N 77°38′17″W﻿ / ﻿39.688889°N 77.638056°W﻿ / 39.688889; -77.638056﻿ (Lantz-Zeigler House) | Hagerstown | |
| 55 | Lehman's Mill Historic District | Lehman's Mill Historic District | January 4, 1991 (#90001945) | Lehman's Mill Rd. between Marsh Pike and Marsh Run 39°42′41″N 77°40′34″W﻿ / ﻿39.711389°N 77.676111°W﻿ / 39.711389; -77.676111﻿ (Lehman's Mill Historic District) | Hagerstown | |
| 56 | Leitersburg Historic District | Leitersburg Historic District More images | December 19, 2003 (#03001295) | Leitersburg-Smithsburg Rd., Leiter St., Leiter's Mill Rd., and Ringgold St. 39°41′42″N 77°37′15″W﻿ / ﻿39.695°N 77.620833°W﻿ / 39.695; -77.620833﻿ (Leitersburg Historic District) | Leitersburg | |
| 57 | Long Meadows | Long Meadows | September 1, 1978 (#78001480) | North of Hagerstown on Marsh Pike 39°41′41″N 77°41′08″W﻿ / ﻿39.694722°N 77.685556°W﻿ / 39.694722; -77.685556﻿ (Long Meadows) | Hagerstown | |
| 58 | Magnolia Plantation | Upload image | June 18, 1975 (#75000926) | Northwest of Knoxville off Sandy Hook Rd. 39°20′57″N 77°41′34″W﻿ / ﻿39.349167°N 77.692778°W﻿ / 39.349167; -77.692778﻿ (Magnolia Plantation) | Knoxville | |
| 59 | Mannheim | Upload image | September 25, 1979 (#79003260) | San Mar Rd. 39°33′19″N 77°37′51″W﻿ / ﻿39.555278°N 77.630833°W﻿ / 39.555278; -77.630833﻿ (Mannheim) | San Mar | |
| 60 | The Maples | Upload image | February 24, 1975 (#75000927) | 2 miles (3.2 km) southwest of Smithsburg on Maryland Route 66 39°37′23″N 77°39′38″W﻿ / ﻿39.62306°N 77.660556°W﻿ / 39.62306; -77.660556﻿ (The Maples) | Smithsburg | |
| 61 | Marsh Mills | Upload image | November 22, 1996 (#96001375) | 17426 and 17432 Spielman Rd. 39°32′22″N 77°45′44″W﻿ / ﻿39.539444°N 77.762222°W﻿ / 39.539444; -77.762222﻿ (Marsh Mills) | Fairplay | |
| 62 | Maryland Theatre | Maryland Theatre More images | November 13, 1976 (#76001015) | 21-23 S. Potomac St. 39°38′29″N 77°43′17″W﻿ / ﻿39.641389°N 77.721389°W﻿ / 39.641389; -77.721389﻿ (Maryland Theatre) | Hagerstown | |
| 63 | Henry McCauley Farm | Henry McCauley Farm | June 29, 1976 (#76001016) | East of Hagerstown on Mt. Aetna Rd. 39°36′53″N 77°39′46″W﻿ / ﻿39.61472°N 77.66278°W﻿ / 39.61472; -77.66278﻿ (Henry McCauley Farm) | Hagerstown | |
| 64 | Mount Airy | Mount Airy More images | July 10, 1986 (#86001550) | Maryland Route 34 39°26′55″N 77°46′04″W﻿ / ﻿39.448611°N 77.767778°W﻿ / 39.448611; -77.767778﻿ (Mount Airy) | Sharpsburg | |
| 65 | Nicodemus Mill Complex | Upload image | August 2, 2001 (#01000821) | 20019 Nicodemus Mill Rd. 39°28′34″N 77°40′24″W﻿ / ﻿39.476111°N 77.673333°W﻿ / 39.476111; -77.673333﻿ (Nicodemus Mill Complex) | Keedysville | |
| 66 | Oak Hill Historic District | Oak Hill Historic District | September 18, 1987 (#87001574) | Roughly bounded by W. Irvin, Potomac, and Prospect Aves. and Forest Dr. 39°39′18″N 77°42′38″W﻿ / ﻿39.655°N 77.710556°W﻿ / 39.655; -77.710556﻿ (Oak Hill Historic District) | Hagerstown | |
| 67 | Old Forge Farm | Old Forge Farm | November 7, 1979 (#79001145) | East of Hagerstown 39°40′02″N 77°38′58″W﻿ / ﻿39.667222°N 77.649444°W﻿ / 39.667222; -77.649444﻿ (Old Forge Farm) | Hagerstown | |
| 68 | Old National Pike Milestones | Old National Pike Milestones | November 27, 1975 (#75002107) | Maryland Routes 44 and 165, U.S. Route 40, Alternate U.S. Route 40, and Scenic U.S. Route 40 39°25′13″N 77°16′01″W﻿ / ﻿39.420278°N 77.266944°W﻿ / 39.420278; -77.266944﻿ (Old National Pike Milestones) | Hancock | |
| 69 | Old Washington County Library | Old Washington County Library | October 2, 1978 (#78001481) | 21 Summit Ave. 39°38′34″N 77°43′24″W﻿ / ﻿39.64268°N 77.72329°W﻿ / 39.64268; -77.72329﻿ (Old Washington County Library) | Hagerstown | |
| 70 | Packhorse Ford | Packhorse Ford | June 15, 2015 (#15000349) | Potomac R. at Canal Rd. 39°25′51″N 77°46′35″W﻿ / ﻿39.4307°N 77.7765°W﻿ / 39.4307; -77.7765﻿ (Packhorse Ford) | Sharpsburg | A historic river crossing of the Potomac River. |
| 71 | Paradise Manor | Paradise Manor | March 31, 1978 (#78001482) | North of Hagerstown at 2550 Paradise Dr. 39°41′49″N 77°42′03″W﻿ / ﻿39.696944°N 77.700833°W﻿ / 39.696944; -77.700833﻿ (Paradise Manor) | Hagerstown | |
| 72 | Piper House | Piper House | October 28, 1999 (#99001279) | 200 E. Main St. 39°27′31″N 77°44′45″W﻿ / ﻿39.458611°N 77.745833°W﻿ / 39.458611; -77.745833﻿ (Piper House) | Sharpsburg | |
| 73 | Plumb Grove | Plumb Grove More images | December 7, 2011 (#11000882) | 12654 Broadfording Rd. 39°39′40″N 77°56′11″W﻿ / ﻿39.661032°N 77.936432°W﻿ / 39.661032; -77.936432﻿ (Plumb Grove) | Clear Spring | |
| 74 | Potomac-Broadway Historic District | Potomac-Broadway Historic District | December 12, 1990 (#90001804) | Roughly Potomac St. and Oak Hill Ave. from Franklin St. to Maple Ave., and North Ave. and Broadway from Park Pl. to Mulberry 39°38′54″N 77°42′53″W﻿ / ﻿39.648333°N 77.714722°W﻿ / 39.648333; -77.714722﻿ (Potomac-Broadway Historic District) | Hagerstown | |
| 75 | Potomac Mills | Potomac Mills | February 5, 2014 (#13001166) | River & Trough Rds. 39°25′50″N 77°46′53″W﻿ / ﻿39.430608°N 77.781267°W﻿ / 39.430608; -77.781267﻿ (Potomac Mills) | Shepherdstown | |
| 76 | Price-Miller House | Price-Miller House | May 24, 1976 (#76001018) | 131-135 W. Washington St. 39°38′37″N 77°43′25″W﻿ / ﻿39.6437°N 77.7237°W﻿ / 39.6437; -77.7237﻿ (Price-Miller House) | Hagerstown | |
| 77 | Rockland Farm | Rockland Farm | July 21, 1978 (#78001483) | 728 Antietam Dr. 39°39′21″N 77°41′20″W﻿ / ﻿39.65578°N 77.68884°W﻿ / 39.65578; -77.68884﻿ (Rockland Farm) | Hagerstown | |
| 78 | Rockledge | Rockledge | December 18, 2003 (#03001292) | 13535 Foxfire Ln. 39°41′20″N 77°36′45″W﻿ / ﻿39.688889°N 77.6125°W﻿ / 39.688889; -77.6125﻿ (Rockledge) | Hagerstown | |
| 79 | Rohrer House | Rohrer House | November 7, 1979 (#79001146) | East of Hagerstown 39°39′25″N 77°39′40″W﻿ / ﻿39.656944°N 77.661111°W﻿ / 39.656944; -77.661111﻿ (Rohrer House) | Hagerstown | |
| 80 | Rose Hill | Rose Hill | April 11, 1973 (#73000942) | 0.5 miles (0.80 km) south of Williamsport on Maryland Route 63 39°34′41″N 77°49′08″W﻿ / ﻿39.578056°N 77.818889°W﻿ / 39.578056; -77.818889﻿ (Rose Hill) | Williamsport | |
| 81 | Search Well | Upload image | January 17, 1983 (#83002965) | Southeast of Burtner on Manor Church Rd. 39°31′12″N 77°42′49″W﻿ / ﻿39.52°N 77.713611°W﻿ / 39.52; -77.713611﻿ (Search Well) | Burtner | |
| 82 | Sharpsburg Historic District | Sharpsburg Historic District | December 24, 2008 (#08001218) | E. and W. Chapline, Antietam, and High Sts. and N. and S. Church, Mechanic, Hall, and Potomac Sts. 39°27′27″N 77°44′56″W﻿ / ﻿39.4575°N 77.748889°W﻿ / 39.4575; -77.748889﻿ (Sharpsburg Historic District) | Sharpsburg | |
| 83 | Snively Farm | Upload image | September 24, 1979 (#79001144) | North of Eakles Mills on Mt. Briar Rd. 39°28′13″N 77°41′26″W﻿ / ﻿39.470278°N 77.690556°W﻿ / 39.470278; -77.690556﻿ (Snively Farm) | Eakles Mills | |
| 84 | South Prospect Street Historic District | South Prospect Street Historic District More images | October 1, 1979 (#79003261) | 18-278 S. Prospect St. 39°38′29″N 77°43′35″W﻿ / ﻿39.641389°N 77.726389°W﻿ / 39.641389; -77.726389﻿ (South Prospect Street Historic District) | Hagerstown | |
| 85 | Sprechers Mill House | Upload image | January 5, 1978 (#78001487) | Northeast of Williamsport on Hopewell Rd. 39°37′02″N 77°47′40″W﻿ / ﻿39.617222°N 77.794444°W﻿ / 39.617222; -77.794444﻿ (Sprechers Mill House) | Williamsport | |
| 86 | Springfield Farm | Springfield Farm | July 30, 1974 (#74000977) | South of U.S. Route 11 39°35′48″N 77°48′57″W﻿ / ﻿39.596667°N 77.815833°W﻿ / 39.596667; -77.815833﻿ (Springfield Farm) | Williamsport | |
| 87 | St. Mark's Episcopal Church-Lappans | St. Mark's Episcopal Church-Lappans | August 5, 1999 (#99000931) | 18313 Lappans Rd. 39°33′03″N 77°44′03″W﻿ / ﻿39.550833°N 77.734167°W﻿ / 39.550833; -77.734167﻿ (St. Mark's Episcopal Church-Lappans) | Boonsboro | |
| 88 | Tammany | Tammany | September 24, 1979 (#79003262) | Northeast of Williamsport off U.S. Route 11 39°36′39″N 77°47′44″W﻿ / ﻿39.610833°N 77.795556°W﻿ / 39.610833; -77.795556﻿ (Tammany) | Williamsport | |
| 89 | Tolson's Chapel | Tolson's Chapel More images | October 21, 2008 (#08001012) | 111 E. High St. 39°27′22″N 77°44′47″W﻿ / ﻿39.4561°N 77.7464°W﻿ / 39.4561; -77.7464﻿ (Tolson's Chapel) | Sharpsburg | Designated a National Historic Landmark in 2021. |
| 90 | Trovinger Mill | Trovinger Mill More images | April 21, 1975 (#75000925) | 3 miles (4.8 km) east of Hagerstown on Trovinger Mill Rd. and Antietam Creek 39°39′09″N 77°39′56″W﻿ / ﻿39.6525°N 77.6656°W﻿ / 39.6525; -77.6656﻿ (Trovinger Mill) | Hagerstown | |
| 91 | Valentia | Valentia | June 27, 1974 (#74000975) | South of Hagerstown on Poffenberger Rd. off Maryland Route 65 39°35′42″N 77°42′41″W﻿ / ﻿39.595°N 77.7114°W﻿ / 39.595; -77.7114﻿ (Valentia) | Hagerstown | |
| 92 | Washington County Courthouse | Washington County Courthouse | December 24, 1974 (#74000976) | W. Washington St. and Summit Ave. 39°38′34″N 77°43′22″W﻿ / ﻿39.6428°N 77.7228°W﻿ / 39.6428; -77.7228﻿ (Washington County Courthouse) | Hagerstown | |
| 93 | Washington Monument | Washington Monument More images | November 3, 1972 (#72000588) | Washington Monument State Park 39°30′02″N 77°37′24″W﻿ / ﻿39.500475°N 77.623258°W﻿ / 39.500475; -77.623258﻿ (Washington Monument) | Boonsboro | |
| 94 | Western Maryland Railroad Right-of-Way, Milepost 126 to Milepost 160 | Western Maryland Railroad Right-of-Way, Milepost 126 to Milepost 160 More images | July 23, 1981 (#81000078) | Milepost 126 to Milepost 160 39°33′53″N 78°32′08″W﻿ / ﻿39.5647°N 78.5356°W﻿ / 39.5647; -78.5356﻿ (Western Maryland Railroad Right-of-Way, Milepost 126 to Milepost 160) | Woodmont | |
| 95 | Western Maryland Railway Station | Western Maryland Railway Station | April 22, 1976 (#76001019) | Burhans Boulevard 39°38′44″N 77°43′34″W﻿ / ﻿39.6456°N 77.7261°W﻿ / 39.6456; -77.7261﻿ (Western Maryland Railway Station) | Hagerstown | |
| 96 | Western Maryland Railway Steam Locomotive No. 202 | Western Maryland Railway Steam Locomotive No. 202 More images | June 7, 1984 (#84001884) | City Park 39°38′06″N 77°44′06″W﻿ / ﻿39.635°N 77.735°W﻿ / 39.635; -77.735﻿ (Western Maryland Railway Steam Locomotive No. 202) | Hagerstown | |
| 97 | Williamsport Historic District | Williamsport Historic District | October 26, 2001 (#01001184) | Roughly bounded by the Chesapeake and Ohio Canal, Conococheague Creek, Springfield Ln., and W. Frederick St. 39°35′58″N 77°49′15″W﻿ / ﻿39.5994°N 77.8208°W﻿ / 39.5994; -77.8208﻿ (Williamsport Historic District) | Williamsport | |
| 98 | The Willows | The Willows | February 23, 1973 (#73000940) | Southwest of Cavetown on Maryland Route 66 39°37′34″N 77°36′12″W﻿ / ﻿39.6261°N 77.6034°W﻿ / 39.6261; -77.6034﻿ (The Willows) | Cavetown | |
| 99 | Wilson School | Wilson School | October 30, 1998 (#98001293) | Rufus Wilson Rd. 39°39′23″N 77°51′11″W﻿ / ﻿39.6564°N 77.8531°W﻿ / 39.6564; -77.8531﻿ (Wilson School) | Clear Spring | |
| 100 | Wilson's Bridge | Wilson's Bridge More images | March 15, 1982 (#82002822) | U.S. Route 40 39°39′27″N 77°50′53″W﻿ / ﻿39.6575°N 77.8481°W﻿ / 39.6575; -77.8481﻿ (Wilson's Bridge) | Hagerstown | |
| 101 | Rufus Wilson Complex | Rufus Wilson Complex | December 6, 1996 (#96001416) | 14293 Rufus Wilson Rd. 39°39′22″N 77°51′06″W﻿ / ﻿39.6561°N 77.8517°W﻿ / 39.6561; -77.8517﻿ (Rufus Wilson Complex) | Clear Spring | |
| 102 | Wilson-Miller Farm | Upload image | May 23, 1980 (#80001841) | Southeast of Sharpsburg 39°26′24″N 77°45′57″W﻿ / ﻿39.44°N 77.7658°W﻿ / 39.44; -77.7658﻿ (Wilson-Miller Farm) | Sharpsburg | |
| 103 | Woburn Manor | Upload image | September 13, 2000 (#00001052) | 7661 Dam #4 Rd. 39°31′24″N 77°48′45″W﻿ / ﻿39.5233°N 77.8125°W﻿ / 39.5233; -77.8125﻿ (Woburn Manor) | Sharpsburg | |