North Carolina - Criteria: C (architecture/engineering)
| Lee County Courthouse |
| Lee County Training School |
| Lee, Gen. William C., House |
| Lee, Harry Fitzhugh, House |
| Lee, Lovett, House |
| Lee, Malcolm K., House |
| Lee, William H., House |
| Leigh Farm |
| Lenoir Cotton Mill-Blue Bell Inc. Plant |
| Lenoir County Courthouse |
| Lenoir Downtown Historic District |
| Lenoir High School |
| Lenoir, Walter James, House |
| Lenox Park Historic District |
| Lentz Hotel |
| Lentz, John A., House |
| Leslie-Alford-Mims House |
| Leslie-Taylor House |
| Lewis-Smith House |
| Lewis-Thornburg Farm |
| Lexington Memorial Hospital |
| Lexington Residential Historic District |
| Liberia School |
| Liberty Hall |
| Liberty Hill School |
| Liberty Historic District |
| Liberty Row |
| Liberty Warehouse Nos. 1 and 2 |
| Liddell-McNinch House |
| Lincoln County Courthouse |
| Lincoln Heights School |
| Lincoln Park Historic District |
| Lincolnton Commercial Historic District |
| Linville Falls Tavern, (former) |
| Linville Historic District |
| Littlejohn, Joseph B., House |
| Little, John Phillips, House |
| Little Manor |
| Little River High School |
| Little, W. J., House |
| Livingstone College Historic District |
| Lloyd-Howe House |
| Lloyd Presbyterian Church |
| Lockville Dam, Canal and Powerhouse |
| Locust Grove |
| Locust Lawn |
| Loftin Farm |
| Logan, George W., House |
| London Cottage |
| London, Henry Adolphus, House |
| Lone Beech |
| Lone Pine |
| Long, Alexander, House |
| Long, James A. and Laura Thompson, House |
| Long, McCorkle and Murray Houses |
| Long Street Church |
| Long Valley Farm |
| Longview Gardens Historic District |
| Long, Willian H., House |
| Longwood |
| Loretz House |
| Louisburg Historic District |
| Louise Cotton Mill |
| Lowe, Cicero Francis, House |
| Lowe, Robert Chester and Elsie H., House |
| Lower Sauratown Plantation |
| Low House |
| Lucama Municipal Historic District |
| Lucas Mansion |
| Ludlow, Col. Jacob Lott, House |
| Lumberton Commercial Historic District |
| Lumsden-Boone Building |
| Lyerly Building for Boys |
| Lyerly Full Fashioned Mill |
| Lyndon Street Townhouses |
| Lynncote |
| Mace, Ulysses S., House |
| Machaven |
| Machpelah |
| Madison County Courthouse |
| Madonna Acres Historic District |
| Magnolia |
| Magnolia Grove |
| Magnolia Place |
| Mahler and Carolina Trust Buildings |
| Maiden Lane Historic District |
| Main Building, Mitchell College |
| Main Street Commercial Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Mallard, John Wesley, House |
| Malone, James, House |
| Mangum, Bartlett, House |
| Mangum, James, House |
| Manor and Cottages |
| Mansard Roof House |
| Margrace Mill Village Historic District |
Data from United States Park Service and Wikidata
