Massachusetts - Area of significance: Community Planning
| Abbot Tavern |
| Acton High School |
| Acushnet Heights Historic District |
| Adams Apartment Building |
| Adams, Frederic C., Public Library |
| Adriatic Mills |
| Agawam Center Historic District |
| Agudas Achim Anshei Sfard Synagogue |
| Ahern, Catherine, Three-Decker |
| Alden, Arthur, House |
| Alewife Brook Parkway |
| Allen, Abel, House |
| All Souls Church |
| Almont Apartments |
| American Woolen Company Townhouses |
| American Woolen Mill Housing District |
| Amesbury and Salisbury Mills Village Historic District |
| Amesbury Friends Meeting House |
| Amherst Central Business District |
| Amherst West Cemetery |
| Anderson, Ludwig, Three-Decker |
| Andover Street Historic District |
| Anthony, David M., House |
| Anthony, Harold H., House |
| Arlington-Basswood Historic District |
| Arlington Pumping Station |
| Ashburnham Center Historic District |
| Ashfield Plain Historic District |
| Ashland Dam and Spillway |
| Ashland Town House |
| Ash Street School |
| Ashworth and Jones Factory |
| Assington |
| Assonet Historic District |
| Attleborough Falls Historic District |
| Atwood, Charles R., House |
| Avant House |
| Ayer, Albert, House |
| Ayer, Thomas, House |
| Back Bay Historic District |
| Bainbridge, Randolph, House |
| Baker, Peter, Three-Decker |
| Baldwinville Village Historic District |
| Ballardvale District |
| Bancroft Hotel |
| Barker, George A., House |
| Barnes-Hill House |
| Barneyville Historic District |
| Bartlett, J.C., House |
| Bateman, William R., House |
| Battelle, Marion, Three-Decker |
| Baxter-King House |
| Beaconsfield Terraces Historic District |
| Beacon Street Firehouse |
| Beacon Street Historic District |
| Beacon Street Tomb |
| Beaman Memorial Public Library |
| Beard, Josiah, House |
| Beattie, W.C., House |
| Beaver Street Historic District |
| Beebe Homestead |
| Belle and Franklin Streets Historic District |
| Bellingham Square Historic District |
| Bell Rock Memorial Park |
| Bellvue Cemetery |
| Belmont Railroad Station |
| Belvidere Hill Historic District |
| Benjamin Silverman Apartments |
| Bennett-Shattuck House |
| Bennington Street Burying Ground |
| Bennink-Douglas Cottages |
| Benson's New Block and the Mohawk Chambers |
| Bentley, George, House |
| Berkley Common Historic District |
| Berlin Town Hall |
| Bernardston Congregational Unitarian Church |
| Beth Eden Baptist Church |
| Beverly Depot |
| Beverly Depot-Odell Park Historic District |
| Billerica Town Common District |
| Blackstone Block Historic District |
| Blackstone Manufacturing Company Historic District |
| Blakeley Building |
| Blanchard Plat Historic District |
| Bliss Building |
| Blodgett, Lydia, Three-Decker |
| Bloomingdale Firehouse |
| Blue Hills Headquarters |
| Blue Hills Parkway |
| Blue Hills Reservation Parkways-Metropolitan Park System of Greater Boston |
| Bogle-Walker House |
| Bolton Center Historic District |
| Boston Edison Power Station |
| Boston Manufacturing Company Housing |
| Boston Manufacturing Company Housing |
| Bostrom, Eric, Three-Decker |
| Bottle House Block |
| Bousquet, Henry, Three-Decker |
| Boutell-Hathorn House |
| Bowditch School |
Data from United States Park Service and Wikidata
