Massachusetts - Significance region: Local
| Jarves, John and Mary Waterman, House |
| Jarvesville Historic District |
| Jefferson School |
| Jenckes, E. N., Store |
| Jenison, Robert, House |
| Jenkins, Franklin B., House |
| Jenkins, Franklin B., House |
| Jenkins, John, Homestead |
| Jenkins, Joseph, House |
| Jenkins-Whelden Farmstead |
| Jewell, David L., House |
| Jewett Piano Company Building |
| Jewish Cemetery |
| Johnson, Edwin C., House |
| Johnson, Edwin, Three-Decker |
| Johnson House |
| Johnson, John and Edward, Three-Decker |
| Johnson, John, Three-Decker |
| Johnson, J. V., House |
| Johnson Manufacturing Company |
| Johnson, Newell D., House |
| Johnson, Paul, Three-Decker |
| Johnson School |
| Johnson-Thompson House |
| John Winthrop Chambers, The |
| Jones Block |
| Jones, Colonel Timothy, House |
| Jones, John, House |
| Jones, Marshall W., House |
| Jones Tavern |
| Jones, Thomas W., House |
| Jones, William R., House |
| Jordan, Dr. Charles, House |
| Joseph Fenno House-Woman's Friend Society |
| Joshua Bates School |
| J. R. Torrey Razor Co. and J. R. Torrey & Co. Manufacturing Facility |
| Judson-Litchfield House |
| Kaller, Erick, Three-Decker |
| Kaller, Erick, Three-Decker |
| Keene, Walter, House |
| Kelley, Mercelia Evelyn Eldridge, House |
| Kemp Barn |
| Kemp Place |
| Kendal Green Historic District |
| Kendall, Deacon Thomas, House |
| Kenmore |
| Kennedy, F. A., Steam Bakery |
| Kennedy-Worthington Blocks |
| Kenney, David, House |
| Kensington Park Historic District |
| Kenwyn Apartments |
| Kessler, William F., House |
| Keyes, Amos, House |
| Keyes, Jonathan, Sr. House |
| Kilmer Street Fire Station |
| Kimball, C. Henry, House |
| Kimball, W.W., House |
| King Airfield Hanger |
| King Caesar House |
| Kingman, Gardner J., House |
| King Philip's Hill |
| Kingsbury-Whitaker House |
| Kingsley House |
| Kingston Center Historic District |
| Kinney, A., House |
| Kittredge, Alvah, House |
| Knapp, Job, House |
| Knapp, Seth, Jr. House |
| Knight, Elisha, Homestead |
| Knight, R. A.-Eugene Lacount House |
| Knowlton Hat Factory |
| Kugel, Peter, House |
| Kunhardt, George, Estate |
| LaCroix-Mosher House |
| Lafayette-Durfee House |
| Laflin-Phelps Homestead |
| Lakeside Cemetery Chapel |
| Lake Street Fire Station |
| Lamson, Newton, House |
| Lancaster Mills |
| Landlord Fowler Tavern |
| Lane, Anthony, House |
| Lane, David, House |
| Lane, Job, House |
| Langmaid Building |
| Langmaid Terrace |
| LaRochelle, Napoleon, Two-Family House |
| Larrabee's Brick Block |
| Larson, Swan, Three-Decker |
| Laurel Hall |
| Lawrence Academy |
| Lawrence Avenue Historic District |
| Lawrence, Phineas, House |
| Lawrence Street Cemetery |
| Lawrence, William, House |
| Lawson Tower |
| Lawton Place Historic District |
| Lee Lower Main Street Historic District |
| Lee Station |
| Leland, Deacon William, House |
Data from United States Park Service and Wikidata
