Maryland - Criteria: B (person)
| Kernan, James Lawrence, Hospital |
| Kingston Hall |
| Koon, Thomas, House |
| La Grange |
| LaGrange |
| Lauretum |
| Lawn, The |
| Linden |
| Linden |
| Liriodendron |
| Long Hill |
| Lovely Lane Methodist Church |
| Lowe, Joshua, House |
| Marietta |
| Mattapany-Sewall Archeological Site |
| McCollum, Elmer V., House |
| Meadow Brook Farm |
| Meadows, The |
| Medical Hall Historic District |
| Mencken, H. L., House |
| Milton |
| Mitchell House |
| Mitchell House |
| Mother Seton House |
| Motter, John C., House |
| Mount Adams |
| Mount Airy |
| Mount Harmon |
| Mount Hope |
| Mt. Gilboa Chapel |
| Mt. Nebo |
| Myrtle Grove |
| Oakdale |
| Oakland Historic District |
| Oak Lawn |
| Oakley, Annie, House |
| Oakwood |
| Old Joppa Site |
| Olney |
| Otterbein Church |
| Oxon Hill Manor |
| Paca House and Garden |
| Paca Street Firehouse |
| Pascault Row |
| Patterson Archeological and Historic District |
| Peggy Stewart House |
| Pemberton Hall |
| Perry-Cooper House |
| Perry Hall |
| Poe, Edgar Allan, House |
| Poole and Hunt Company Buildings |
| Price-Miller House |
| Primrose Hill |
| Ravenshurst |
| Rehoboth |
| Remsen, Ira, House |
| Rigbie House |
| River View, The |
| Rockdale |
| Rockland |
| Rockville Park Historic District |
| Rodgers Tavern |
| Rose Hill |
| Rose Hill |
| Rose Hill Manor |
| Rowland, Henry August, House |
| Royer, Christian, House |
| Ruscombe |
| Saleaudo |
| Salmon-Stohlman House |
| Sandy Spring Friends Meetinghouse |
| Schuler, Hans, Studio and Residence |
| Schwartze Mansion |
| Scott, Upton, House |
| Sellers Mansion |
| Shafer's Mill |
| Shawnee Old Fields Village Site |
| Sherwood Manor |
| Smith, Gov. John Walter, House |
| Snow Hill |
| Sophia's Dairy |
| Springfield Farm |
| St. Catharine |
| St. James Church |
| St. Joseph's College and Mother Seton Shrine |
| St. Paul's Episcopal Church |
| Streett, Col. John, House |
| St. Thomas' Church |
| Sudley |
| Summit |
| Sunnyside |
| Sydenham Hospital for Communicable Diseases |
| Taney Place |
| Teackle Mansion |
| Terra Rubra |
| The Wilderness |
| Tivoli |
| Town Clock Church |
| Trevanion |
| Troth's Fortune |
Data from United States Park Service and Wikidata
