Maryland - Criteria: B (person)
| Abell house |
| Aigburth Vale |
| All Faith Church |
| Amelung House and Glassworks |
| Anchorage, The |
| Araby |
| Avondale |
| Bachrach, David, House |
| Bagby Furniture Company Building |
| Baker, James B., House |
| Baltimore City College |
| Baltimore City Hall |
| Bankard-Gunther Mansion |
| Bare Hills House |
| Beall's Pleasure |
| Belt, J. A., Building |
| Belvoir |
| Bethesda Theatre |
| Beverly |
| Bloomingdale |
| Bloomsbury |
| Bohemia Farm |
| Bolton Hill Historic District |
| Borden Mines Superintendent's House |
| Borderside |
| Bowieville |
| Bowman House |
| Brooklandwood |
| Bryantown Historic District |
| Buena Vista |
| Bunker Hill |
| Caldicott |
| Calloway, Thomas J., House |
| Carroll Mansion |
| Carson, Rachel, House |
| Castle Hall |
| Catoctin Furnace Historic District |
| Cedar Grove |
| Cedar Park |
| Chambers, Whittaker, Farm |
| Chance Boatyard |
| Chapline, William, House |
| Charles Village-Abell Historic District |
| Childs Residence |
| Churchman, John, House |
| Clara Barton National Historic Site |
| Coffren, John W., House and Store |
| Compton |
| Compton Bassett |
| Costen House |
| Cottage, The |
| Craig, Captain Robert S., Cottage |
| Cresap, Michael, House |
| Crooked Intention |
| Cross Manor |
| Cummins Memorial Church |
| Deal Island Historic District |
| Denton House |
| Doughoregan Manor |
| Douglass Place |
| Eastern Female High School |
| Ellerslie |
| Ellicott's Mills Historic District |
| Elliot-Bester House |
| Emerson Bromo-Seltzer Tower |
| Evergreen on the Falls |
| Fair Meadows |
| Farm Content |
| Fort McHenry National Monument and Historic Shrine |
| Frederick Historic District |
| Friends Advice |
| Friendship Hall |
| Friendship Valley Farm |
| Gallagher Mansion and Outbuilding |
| Gambrill House |
| Garrett Building |
| Goodloe, Don S. S., House |
| Grahame House |
| Greenfields |
| Gresham |
| Habre-de-Venture; Thomas Stone National Historic Site |
| Haley, Francis, House |
| Hampton National Historic Site |
| Hanover Farm House |
| Hard Bargain Farm |
| Harper, George, Store |
| Haviland, Edward W., House |
| Hebron |
| Heighe House |
| Holly Hall |
| Homewood |
| Hooper, James E., House |
| Hopewell |
| House at 9 North Front Street |
| Ivory Mills |
| Jackson, Sen. William P., House |
| John Brown's Headquarters |
| Jones, Abraham, House |
| Joshua's Meadows |
| Kennersley |
Data from United States Park Service and Wikidata