Massachusetts - Significance region: Local
| Baker, Capt. Seth, Jr., House |
| Baker, Charles, House |
| Baker, Charles, Property |
| Baker Congregational Church |
| Baker House |
| Baker, Kenelum, House |
| Baker, Peter, Three-Decker |
| Baker, Sarah J., School |
| Baldwinville Village Historic District |
| Ballardvale District |
| Bancroft, Joseph, House |
| Bancroft Memorial Library |
| Bancroft, Samuel, House |
| Bancroft, Wendell, House |
| Bangs Block |
| Banks, E. Sybbill, House |
| Baptist Society Meeting House |
| Bardwell's Ferry Bridge |
| Barker, George A., House |
| Barker, Henry F., House |
| Barker, Stephen, House |
| Bark Street School |
| Barlin Acres |
| Barnard, Parson, House |
| Barnes-Hill House |
| Barnes House |
| Barnes, Walter S. and Melissa E., House |
| Barneyville Historic District |
| Barn House |
| Barnicoat, S. H., Monuments |
| Barnum School |
| Barre Common District |
| Barrett, P. J., Block |
| Barrows, H.F., Manufacturing Company Building |
| Bartlett, J.C., House |
| Bartlett-Russell-Hedge House |
| Bartlett's Bridge |
| Bassett, C.J.H., House |
| Bassett, Edwin, House |
| Bassett, Maria, House |
| Batchelder, Alden, House |
| Batchelder, George, House |
| Batchelder House |
| Batchelder, Nathaniel, House |
| Bateman, William R., House |
| Battelle, Marion, Three-Decker |
| Battell House |
| Baxter, Capt. Rodney J., House |
| Baxter, Capt. Sylvester, House |
| Baxter, Charles L., House |
| Baxter-King House |
| Baxter Mill |
| Baxter, Shubael, House |
| Baxter Street Historic District |
| Baystate Corset Block |
| Beacon Street Tomb |
| Beaman Memorial Public Library |
| Beard, Benjamin, House |
| Beard, Josiah, House |
| Beard, Padilla, House |
| Bearse, Capt. Allen H., House |
| Beattie, W.C., House |
| Beaver Mill |
| Beaver Street Historic District |
| Becket Center Historic District |
| Beck-Warren House |
| Bedford Building |
| Bedford Center Historic District |
| Bedford Depot |
| Beebe Homestead |
| Beechwood |
| Belcher, Jonathan, House |
| Belcher-Rowe House |
| Belchertown Center Historic District |
| Belle and Franklin Streets Historic District |
| Bellingham Square Historic District |
| Bell Rock Memorial Park |
| Bellvue Cemetery |
| Belmont Railroad Station |
| Belvidere Hill Historic District |
| Bend of the Lane |
| Benedict Fenwick School |
| Benjamin Silverman Apartments |
| Bennett-Shattuck House |
| Bennington Street Burying Ground |
| Benson's New Block and the Mohawk Chambers |
| Bent, G.H., Company Factory |
| Berger Factory |
| Berkley Common Historic District |
| Berkshie Mill No. 1 |
| Berkshire Life Insurance Company Building |
| Berlin Town Hall |
| Bernardston Congregational Unitarian Church |
| Berry, Captain James, House |
| Bethany Congregational Church |
| Beth Eden Baptist Church |
| Bethel African Methodist Episcopal Church and Parsonage |
| Beverly Center Business District |
| Beverly Depot |
| Beverly Depot-Odell Park Historic District |
Data from United States Park Service and Wikidata