Massachusetts - Role: Building
| Arlington Street Church |
| Armory Block |
| Armory of the First Corps of Cadets |
| Armsby Block |
| Armstrong House |
| Arnold Print Works |
| Ashland Mill Tenement |
| Ashland Town House |
| Ashley, Col. John, House |
| Ashley House |
| Ash Street School |
| Ashworth and Jones Factory |
| Ashworth Brothers Mill |
| Assington |
| Athenaeum Press |
| Athol High School |
| Attleborough Falls Gasholder Building |
| Atwood, Charles R., House |
| Atwood, Ephraim, House |
| Atwood, Thomas, House |
| Auburndale Congregational Church |
| Aurora Hotel |
| Austin, Francis B., House |
| Austin Hall |
| Avant House |
| Ayer, Albert, House |
| Ayer, Frederick, Mansion |
| Ayer, Thomas, House |
| Babcock Block |
| Babson-Alling House |
| Bacon, Clifton, House |
| Bacon-Gleason-Blodgett Homestead |
| Bacon, Robert, House |
| Bacon, Stephen, House |
| Badger, Rev. Stephen, House |
| Bailey House |
| Bailey, Timothy P., House |
| Bainbridge, Randolph, House |
| Baird House |
| Baker, Benjamin, Jr., House |
| Baker, Capt. Seth, Jr., House |
| Baker, Charles, House |
| Baker, Charles, Property |
| Baker Congregational Church |
| Baker House |
| Baker, Kenelum, House |
| Baker, Nathaniel, House |
| Baker, Peter, Three-Decker |
| Baker, Sarah J., School |
| Baker's Island Light Station |
| Balch, John, House |
| Baldwin, Loammi, Mansion |
| Baldwin, Maria, House |
| Bancroft Hotel |
| Bancroft, Joseph, House |
| Bancroft Memorial Library |
| Bancroft, Samuel, House |
| Bancroft, Wendell, House |
| B and B Chemical Company |
| Bangs Block |
| Bank Building |
| Banks, E. Sybbill, House |
| Bannister, Emory, House |
| Baptist Society Meeting House |
| Barker, George A., House |
| Barker, Henry F., House |
| Barker, Richard, Octagon House |
| Barker, Stephen, House |
| Bark Street School |
| Barlin Acres |
| Barnard Block |
| Barnard Mills |
| Barnard, Parson, House |
| Barnes-Hill House |
| Barnes House |
| Barnes, James B., House |
| Barnes, Walter S. and Melissa E., House |
| Barnicoat, S. H., Monuments |
| Barnstable County Courthouse |
| Barnum School |
| Barrett, Col. James, Farm |
| Barrett, P. J., Block |
| Barrows, H.F., Manufacturing Company Building |
| Bartlett-Hawkes Farm |
| Bartlett, J.C., House |
| Bartlett-Russell-Hedge House |
| Barton, Clara, Homestead |
| 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 |
Data from United States Park Service and Wikidata
