Massachusetts - Significance region: Local
| Taylor-Dallin House |
| Teaticket School |
| Telegraph Hill |
| Temple Building |
| Temple Israel Cemetery |
| Temple, Joseph, House |
| Temple, Mark, House |
| Temple Place Historic District |
| Templeton Common Historic District |
| Tenny Castle Gatehouse |
| Textile District |
| Thane Street Historic District |
| Thayer, Benjamin, House |
| Thayer, Nathaniel, Estate |
| Thayer Public Library |
| Theodore Parker Unitarian Universalist Church |
| Third Meetinghouse |
| Third Street Commercial Corridor Historic District |
| Thomas, H.P., House |
| Thom Block |
| Thompson, Abijah, House |
| Thompson, Jacob, House |
| Thompson School |
| Thompson Street School |
| Thule-Plummer Buildings |
| Thumb, Tom, House |
| Tiffany-Leonard House |
| Tilton, D. Horace, House |
| Times and Olympia Buildings |
| Tisdale-Morse House |
| Tisza, Vera and Laszlo, House |
| Tobey Homestead |
| Tobey, Josiah, House |
| Tolman-Gay House |
| Topsfield Town Common District |
| Towle, Loren, Estate |
| Town Boundary Marker |
| Towne Farm |
| Towne Street Historic District |
| Town Farm, The |
| Town Hall |
| Town Line Boundary Marker |
| Town Line Boundary Marker |
| Townsend House |
| Townsend House |
| Train, Samuel, House |
| Travelers Club |
| Trinity Block |
| Trinity Episcopal Church |
| Trinity Episcopal Church |
| Trinity Neighborhood House |
| Troupes, John, Three-Decker |
| Trowbridge-Badger House |
| Truro Highlands Historic District |
| Tucker, Dr. Harrison A., Cottage |
| Tucker Farm Historic District |
| Tufts, Peter and Oliver, House |
| Turnbull, R.P., House |
| Turner Falls Historic District |
| Turner, Stephen, House |
| Turnpike House |
| Tuttle Square School |
| Twinehurst American Optical Company Neighborhood |
| Twitchell, Joseph, House |
| Two Brothers Rocks-Dudley Road Historic District |
| Tyler, Frank J., House |
| Tyler Park Historic District |
| Tyng, Col. Jonathan, House |
| Tyringham Cemetery |
| Tyringham Center School |
| Tyringham Library |
| Union Baptist Church |
| Union Chapel |
| Union Congregational Church |
| Union Congregational Church |
| Union Hall |
| Union Mission Chapel-Historical Hall |
| Union Station |
| Union Station |
| Union Street Railway Carbarn, Repair Shop |
| Union Trust Company Building |
| Unitarian Memorial Church |
| Unitarian Universalist Church and Parsonage |
| United Electric Co. Building |
| United Shoe Machinery Corporation Clubhouse |
| United State Post Office, Courthouse, and Federal Building |
| United States Watch Company |
| Universalist Society Meetinghouse |
| Uphams Corner Historic District |
| Upham's Corner Market |
| Upper Chapin Street Historic District |
| Upper Historic District |
| Upper Main Street Historic District |
| Upper North Street Commercial District |
| Upper Worthington Historic District |
| Upton Center Historic District |
| Upton Town Hall |
| Urban Rowhouse |
| US Post Office |
| U.S. Post Office and Courthouse |
Data from United States Park Service and Wikidata
