Maryland - Architectural style - Federal architecture
| Acquinsicke |
| Airy Hill |
| Araby |
| Athol |
| Beall-Dawson House |
| Best Endeavor |
| Bingham-Brewer House |
| Bishopton |
| Bloomingdale |
| Bowieville |
| Bowlus Mill House |
| Brick House Farm |
| Brick House on the Pike |
| Brightwood |
| Broom's Bloom |
| Burleigh |
| Burley Manor |
| Caldicott |
| Cannonball House |
| Carroll Mansion |
| Cedar Grove |
| Cedar Grove |
| Chanceford |
| Chester Hall |
| Chestnut Ridge |
| Cockey-Jamison-Hendrickson House and Store |
| Cold Saturday |
| Concord |
| Cool Hollow Home |
| Daffin House |
| Englar-Scweigart-Rinehart Farm |
| Evergreen |
| Flag House |
| Goldsborough House |
| Guilford |
| Half-Way House |
| Hanover Farm House |
| Hard Lodging |
| Hayman, Jeptha, House |
| Hays, Joseph C., House |
| Hazelwood |
| Hermitage, The |
| Hills, Dales, and the Vineyard |
| Hobson's Choice |
| Holly Hall |
| Homewood |
| "House by the ""Town Gates""" |
| Howard's Inheritance |
| Jones, Abraham, House |
| Keating House |
| Kefauver Place |
| Kirk, Elisha, House |
| Kitterman-Buckey Farm |
| Knocks Folly |
| Layton House |
| Leverton, Jacob and Hannah, House |
| Loats Female Orphan Asylum of Frederick City |
| Locust Grove |
| Lowe, Joshua, House |
| Maddux House |
| Magnolia Plantation |
| Marble Head |
| Marietta |
| Meadows, The |
| Mount Air |
| Mount Airy |
| Mt. Pleasant |
| Nelson Homestead |
| Nelson-Reardon-Kennard House |
| Oakdale |
| Oak Grove |
| Oakland |
| Oak Lawn |
| Old Chiswell Place |
| Pascault Row |
| Piper House |
| Pleasant Prospect |
| Poplar Hill Mansion |
| Potter Hall |
| Prospect Hall |
| Prospect Hill |
| Puncheon Mill House |
| Rich Mountain |
| Riverdale Park Historic District |
| Riversdale |
| Rockledge |
| Roop's Mill |
| Rose Hill |
| Rose Hill Manor |
| Routzahn-Miller Farmstead |
| Sandy Spring Friends Meetinghouse |
| Shafer's Mill |
| Simpson's Grove |
| Sion Hill |
| Spye Park |
| St. Giles |
| Stonebraker and Harbaugh-Shafer Building |
| Stone Hall |
| St. Paul's Episcopal Church |
| Stratton |
Data from United States Park Service and Wikidata
