Massachusetts - Area of significance: Architecture
| Bigelow Carpet Company Woolen Mills |
| Bigelow Carpet Mill |
| Bigelow, Dr. Henry Jacob, House |
| Bigelow School |
| Bigelow Street Historic District |
| Bigelow Tavern Historic District |
| Billerica Mills Historic District |
| Billerica Town Common District |
| Billings, Frederick, House |
| Bisbee Mill |
| Blackinton Historic District |
| Blackinton Houses and Park |
| Blackstone Block Historic District |
| Blackstone Manufacturing Company Historic District |
| Black Tavern |
| Blake and Amory Building |
| Blake and Knowles Steam Pump Company National Register District |
| Blake, James, House |
| Blakeley Building |
| Blanchard Plat Historic District |
| Blanchard-Upton House |
| Blish-Garret House |
| Bliss, Abiah, House |
| Bliss Building |
| Bliss, Daniel, Homestead |
| Blodgett, Lydia, Three-Decker |
| Blodgett, William, House |
| Bloomingdale Firehouse |
| Bloomingdale School |
| Blossom, Barnabus, House |
| Blue Hills Headquarters |
| Boardman, E., House |
| Boardman House |
| Boardman, John, House |
| Boardman, The |
| Bogle-Walker House |
| Boguslavsky Triple-Deckers |
| Boit, Elizabeth, House |
| Bolton Center Historic District |
| Borden, A.J., Building |
| Borden, Ariadne J. and Mary A., House |
| Borden Flats Light Station |
| Borden, N. B., School |
| Borden-Pond House |
| Borden-Winslow House |
| Border City Mill No. 2 |
| Borderland Historic District |
| Boston African American National Historic Site |
| Boston and Maine Railroad Depot |
| Boston and Maine Railroad Depot |
| Boston Consumptives Hospital |
| Boston Edison Electric Illuminating Company |
| Boston Edison Power Station |
| Boston Finishing Works |
| Boston Fish Pier Historic District |
| Boston Light |
| Boston Manufacturing Company |
| Boston Manufacturing Company Housing |
| Boston Manufacturing Company Housing |
| Boston National Historical Park |
| Boston National Historical Park |
| Boston Naval Shipyard |
| Boston Police Station Number One-Traffic Tunnel Administration Building |
| Boston Post Road Historic District |
| Boston Public Library |
| Boston Transit Commission Building |
| Boston Young Men's Christian Association |
| Boston Young Men's Christian Union |
| Bostrom, Eric, Three-Decker |
| Bottle House Block |
| Bottume, John, House |
| Boulevard Diner |
| Bournedale Village School |
| Bourne High School |
| Bourne, Jonathan, Public Library |
| Bourne Mill |
| Bourne Town Hall |
| Bousquet, Henry, Three-Decker |
| Boutell-Hathorn House |
| Boutwell, Gov. George S., House |
| Bowditch School |
| Bowditch, William Ingersoll, House |
| Bowen, Nathan, House |
| Bowers, Jerathmell, House |
| Bowers, Jonathan, House |
| Bowers School |
| Bowker Place |
| Bowser Gazebo |
| Bow Street Historic District |
| Boxborough Old Town Center |
| Boxford Village Historic District |
| Boyden, Seth, House |
| Boyer, Alexis, House |
| Boylston Building |
| Boynton and Windsor |
| Brabrook, E. H., House |
| Brackett, Edward A., House |
| Brackett House |
| Brackett House |
| Brackett, S. E., House |
Data from United States Park Service and Wikidata