All - Architectural style - Queen Anne style
| Abbs, Walter, House |
| Abell Farmhouse and Barn |
| Abell house |
| Abraham, Simon, Duplex |
| Acadia Plantation |
| Acord, John, House |
| Adam-Derby House |
| Adams, Amos, House |
| Adams and Sickles Building |
| Adams, Joe Chase, House |
| Agricultural Dean's House |
| Ahlf, John and Susanna, House |
| Alameda Apartments |
| Alden, Arthur, House |
| Alden Villa |
| Alexander and Busey Houses |
| Alexander House |
| Alexander House |
| Allee House |
| Allison-Reinkeh House |
| Alls Souls Church |
| Allyn, A. H., House |
| Ambruster, Frederick, Cottage |
| Ames Cottage |
| Ammendale Normal Institute |
| Anderson, Brady and Waldermar Ager House |
| Anderson House |
| Anderson, Lewis and Clara, House |
| Andrews United Methodist Church |
| Andrews, William, House |
| Anglecot, The |
| Anthony-Buckley House |
| Apartment Building at 116 Spruce Street |
| Appeldorn, Peter B., House |
| Argabrite House |
| Argent Apartments |
| Armstrong, Alfred J. and Georgia A., House |
| Auburn Fire House No. 1 |
| Avent, James Monroe, House |
| Averill, Glenn M. and Edith, House |
| Aviary |
| Aylesworth Apartments |
| Babcock, Havilah, House |
| Babcock-Shattuck House |
| Babington, Robert H., House |
| Bacon, Clara F., House |
| Bailey House |
| Bailey House |
| Bailey, W., House |
| Balboa Pavilion |
| Balch House |
| Baltimore County School No. 7 |
| Balzer, John, Wagon Works Complex |
| Bancroft, Caroline, House |
| Bangs, Algernon, House |
| Bangs Block |
| Bankers Loan and Trust Company Building |
| Bank of Sumner |
| Banta, George, Sr. and Ellen, House |
| Banta, J. V., House |
| Barbeau House |
| Bardwell-Ferrant House |
| Barker, George A., House |
| Barkley, Alonzo J. and Flora, House |
| Barlow House |
| Barnd, John, House |
| Barnwell, Arthur, House |
| Bauer Apartments |
| Bayfield Fish Hatchery |
| Bayley House |
| Beach, A.H., House |
| Beaman House |
| Bean, Daniel V., House |
| Beatty, Ross, House |
| Beaumont Hotel |
| Beckett, William S. and Mary, House |
| Beck, James A., House |
| Beech Avenue Houses |
| Beggs, Ellsworth J., House |
| Belden, C. A., House |
| Bell, Alvin Bushnell, House |
| Bellevue |
| Bell, M. Fred, Speculative Cottage |
| Belmonte Flats |
| Bennett-Williams House |
| Bensen, John N., House |
| Bergstrom, George O., House |
| Bernd, William J., House |
| Bicycle Club Building |
| Bigelow, Charles H., House |
| Black, Alfred L., House |
| Black, Merritt, House |
| Black Point |
| Blakey, Albert Gallatin, House |
| Blodgett, William, House |
| Blood, Oliver, House |
| Bloss, Frank D., and Sons Farm House |
| Body Block |
| Bohlander, Jacob, House |
| Bolens, Harry W., House |
Data from United States Park Service and Wikidata