Massachusetts - Criteria: A (event)
| Brighton Evangelical Congregational Church |
| Brightside Apartments |
| Brimfield Center Historic District |
| Brine, George, House |
| Bristol County Courthouse Complex |
| Broadway Winter Hill Congregational Church |
| Brockton City Hall |
| Brockton Edison Electric Illuminating Company Power Station |
| Brook Farm |
| Brookfield Cemetery |
| Brookfield Common Historic District |
| Brookline Town Green Historic District |
| Brookline Village Commercial District |
| Brookside Historic District |
| Brooks, James H., House |
| Brooks, John, House |
| Brooks, Jonathan, House |
| Brooks, Shepherd, Estate |
| Brookwood Farm |
| Brown, C.H., Cottage |
| Brown, Col. Roger, House |
| Brown-Davis-Frost Farm |
| Browne, Charles, House |
| Brown-Hodgkinson House |
| Brown, John, IV, House |
| Brown-Maynard House |
| Brown Square House |
| Brown Stocking Mill Historic District |
| Brow's Tavern |
| Bruner, Mayall, House |
| Brush Hill Historic District |
| Buckingham, John, House |
| Buckman Tavern |
| Buck's Corner Historic District |
| Building at 138-142 Portland Street |
| Building at 1-6 Walnut Terrace |
| Building at 1-7 Moscow Street |
| Building at 202-204 Charles Street |
| Building at 237-239 Main Street |
| Building at 29-31 River Street |
| Building at 38-42 Worcester Street |
| Building at 52 Main Street |
| Building at 600 Main Street |
| Building at 606 Main Street |
| Building at 614 Main Street |
| Building at 8-22 Graves Avenue |
| Buildings at 825-829 Blue Hill Avenue |
| Bulfinch Triangle Historic District |
| Bullard Farm |
| Bullard House |
| Bullen-Stratton-Cozzen House |
| Bunker Hill Monument |
| Bunker Hill School |
| Burbach Block |
| Burgess, Charles H., House |
| Burgin, Clarence, House |
| Burkeville Covered Bridge |
| Burnham-Patch House |
| Butler Flats Light Station |
| Butler School |
| Butterfield-Whittemore House |
| Butters-Avery House |
| Buttonwood Park Historic District |
| Buttrick, Francis, House |
| Buttrick, Francis, Library |
| Byam, Charles, House |
| Cable, Benjamin Stickney, Memorial Hospital |
| Cabot, Capt. John, House |
| Cabotville Common Historic District |
| Cadman-White-Handy House |
| Caldwell Block |
| Caledonia Building |
| Calf Pasture Pumping Station Complex |
| Calhoun, Apartments, The |
| Calvary Methodist Church |
| Cambridge Common Historic District |
| Cambridge Grant Historic District |
| Cambridge Home for the Aged and Infirm |
| Cambridge Public Library |
| Cambridge Street Firehouse |
| Cambridge Street School |
| Camden Street Development Historic District |
| Camp Atwater |
| Campbell, Collen C., House |
| Camp Kiwanee Historic District |
| Canary-Hartnett House |
| Canton Corner Historic District |
| Canton Viaduct |
| Cape Poge Light |
| Capitol Diner |
| Capron House |
| Captain R. B. Forbes House |
| Cardinal Cushing Center Historic District |
| Carlson, Eric, Three-Decker |
| Carlton House Block |
| Carpenter, Ezra, House |
| Carpenter Homestead |
| Carreau Block |
| Carr-Jeeves House |
| Carr, Martin W., School |
Data from United States Park Service and Wikidata
