Massachusetts - Criteria: A (event)
| Johnson, J. V., House |
| Johnson Manufacturing Company |
| Johnson, Nathan and Mary (Polly), Properties |
| Johnson, Paul, Three-Decker |
| Johnson School |
| Johnson-Thompson House |
| Jones Block |
| Jones Tavern |
| Jones, William R., House |
| Joseph Fenno House-Woman's Friend Society |
| Joshua Bates School |
| Judson-Litchfield House |
| Junction Shop and Herman Street District |
| Kaller, Erick, Three-Decker |
| Kelley, Mercelia Evelyn Eldridge, House |
| Kemp Barn |
| Kemp Place |
| Kendal Green Historic District |
| Kenmore |
| Kennedy, F. A., Steam Bakery |
| Kennedy Park |
| Kennedy-Worthington Blocks |
| Kenney, David, House |
| Kensington Park Historic District |
| Kenwyn Apartments |
| Kessler, William F., House |
| Kilmer Street Fire Station |
| Kilsyth Terrace |
| Kimball, W.W., House |
| King Airfield Hanger |
| King House |
| King Philip Mills |
| King Philip's Hill |
| Kingsbury-Whitaker House |
| Kingston Center Historic District |
| Kinney, A., House |
| Knapp, Job, House |
| Knight, Elisha, Homestead |
| Knowlton Hat Factory |
| Kugel, Peter, House |
| Kunhardt, George, Estate |
| LaCroix-Mosher House |
| Laflin-Phelps Homestead |
| Lake Cochituate Dam |
| Lamson, Newton, House |
| Lancaster Industrial School for Girls |
| Lancaster Mills |
| Landlord Fowler Tavern |
| Lane, Job, House |
| Langmaid Building |
| Langmaid Terrace |
| Larchmont |
| LaRochelle, Napoleon, Two-Family House |
| Larrabee's Brick Block |
| Larson, Swan, Three-Decker |
| Lasell Neighborhood Historic District |
| Laurel Hall |
| Lawrence Academy |
| Lawrence Light Guard Armory |
| Lawrence Model Lodging Houses |
| Lawrence, Phineas, House |
| Lawson Tower |
| Lawton Place Historic District |
| Leather District |
| Leavitt-Hovey House |
| Lechmere Point Corporation Houses |
| Lee Lower Main Street Historic District |
| Lee Station |
| Leland, Deacon William, House |
| Lennon, Edward J., House |
| Lenox Academy |
| Lenox High School |
| Lenox Railroad Station |
| Leonard, James, House |
| Leonard School |
| Leonard. Shaw & Dean Shoe Factory |
| Levenson, Morris, Three-Decker |
| Leverett Center Historic District |
| Lewis, Charles D., House |
| Lexington Green |
| L.H. Hamel Leather Company Historic District |
| Liberty Hall |
| Liberty Tree District |
| Lightship No. 114 |
| Lincoln Center Historic District |
| Lincoln Estate-Elm Park Historic District |
| Lincoln, Gen. Thomas, House |
| Lincoln Historic District |
| Lincoln House Club |
| Lincoln-Sunset Historic District |
| Linden Park |
| Linden Square |
| Linden Street Bridge |
| Lindsey, William, House |
| Linwood Historic District |
| Little, Arthur D., Inc., Building |
| Locke, Asa, House |
| Locke-Baldwin-Kinsley House |
| Locke, Lt. Benjamin, Store |
| Locke-Ober Restaurant |
Data from United States Park Service and Wikidata
