Massachusetts - Criteria: C (architecture/engineering)
| Washington Park Historic District |
| Washington School |
| Washington School |
| Washington Square Historic District |
| Washington Street Historic District |
| Washington Street Shoe District |
| Washington Street Theatre District |
| Wason-Springfield Steam Power Blocks |
| Waters, Asa, Mansion |
| Waters Farm |
| Water Shops Armory |
| Watertown Arsenal Historic District |
| Watertown High School, Old |
| Watson, Abraham, House |
| Waucantuck Mill Complex |
| Wayland Center Historic District |
| Wayside Inn |
| Wayside Inn Historic District |
| Wayside, The |
| W C A Boarding House |
| WCIS Bank |
| Webster-Lane House |
| Webster Municipal Buildings Historic District |
| Webster Park Historic District |
| Webster Street Firehouse |
| Wedgemere Historic District |
| Weeks, Barzillai, House |
| Weeks Cemetery |
| Weeks Junior High School |
| Weidlinger, Paul and Madeleine |
| Weir Engine House |
| Weldon Hotel |
| Wellesley Congregational Church and Cemetery |
| Wellesley Farms Railroad Station |
| Wellesley Hills Branch Library |
| Wellesley Town Hall |
| Wellfleet Center Historic District |
| Wellington, Benjamin, House |
| Wellington-Castner House |
| Wellington Farm Historic District |
| Wellington Piano Case Company Building |
| Wellington Street Apartment House District |
| Wellington, William, House |
| Wells Block |
| Wells, Charles, House |
| Wells, George B. and Ruth D., House |
| Wells, H. C., Double House |
| Wells House |
| Wells, John M., House |
| Wendell Town Common Historic District |
| Wenham Historic District |
| Wescott, John, Three-Decker |
| Wesley Methodist Church |
| Wesson, Franklin, House |
| West Barnstable Village-Meetinghouse Way Historic District |
| Westborough State Hospital |
| West Brick School |
| West Chesterfield Historic District |
| West Chop Club Historic District |
| West Chop Light Station |
| West Cogswell House |
| West Dennis Graded School |
| Westerly Burial Ground |
| West Falmouth Village Historic District |
| Westfield Center Commercial Historic District |
| Westfield Municipal Building |
| Westfield Whip Manufacturing Company |
| Westford Center Historic District |
| Westford Town Farm |
| West Gardner Square Historic District |
| West Granville Historic District |
| Westlawn Cemetery |
| West Main Street Historic District |
| Westminster Village-Academy Hill Historic District |
| West Newton Hill Historic District |
| West Newton Village Center Historic District |
| Weston Aqueduct Linear District |
| Weston, Ephrain, House |
| Weston, Jabez, House |
| Westover-Bacon-Potts Farm |
| West Parish Burying Ground |
| West Parish Center District |
| Westport Point Historic District |
| West Roxbury Parkway, Metropolitan Park System of Greater Boston |
| West School |
| West Schoolhouse |
| West Schoolhouse |
| Westside Historic District |
| West Somerville Branch Library |
| West Stockbridge Grange No. 246 |
| West Stockbridge Town Hall |
| West Street District |
| West Sutton Historic District |
| West Village Historic District |
| Westville Congregational Church |
| West Ward School |
| West Whately Historic District |
| Wetherbee House |
| Wetherbee, Levi, Farm |
| Weymouth Civic District |
Data from United States Park Service and Wikidata
