California - Role: District
| Hofer Ranch |
| Hollywood Boulevard Commercial and Entertainment District |
| Hollywood Bowl |
| Hollywood Cemetery |
| Hollywood High School Historic District |
| Hospital Rock Army Camp Site |
| House at 1141 North Chester Avenue |
| Hunt Center and Library |
| Hunters Point Commercial Drydock Historic District |
| Huntington Beach Municipal Pier |
| Inspiration Heights Historic District |
| Intercultural Council Houses |
| Isleton Chinese and Japanese Commercial Districts |
| Jackson Brewing Company |
| Jackson Downtown Historic District |
| Jackson Square Historic District |
| Johnson Ranch and Burtis Hotel Sites |
| Kelso Depot, Restaurant and Employees Hotel |
| Kennedy Mine Historic District |
| Key, George, Ranch |
| Keys Desert Queen Ranch |
| Kirkwood Lake Tract |
| Knights Ferry |
| Kosy Knook Court |
| Kroger-Melrose District |
| Kuchamaa |
| La Jolla Park Coastal Historic District |
| Lake Britton Archeological District |
| Lake Norconian Club |
| Larkspur Downtown Historic District |
| Lassen Volcanic National Park Highway Historic District |
| Last Chance Canyon |
| Lava Beds National Monument Archeological District |
| Laws Narrow Gauge Railroad Historic District |
| Leadfield |
| Lewiston Historic District |
| Liberty Street Historic District |
| Lincoln, Abraham, Elementary School |
| Lincoln Park Historic District |
| Little Tokyo Historic District |
| Live Oak Historic Commercial District |
| Locke Historic District |
| Los Angeles Plaza Historic District |
| Los Feliz Boulevard Courtyard Apartments Historic District |
| Los Feliz Village Multi-Family Residential Historic District |
| Los Gatos Historic Commercial District |
| Los Rios Street Historic District |
| Lower Arroyo Seco Historic District |
| Lower Nob Hill Apartment Hotel District |
| Luiseno Ancestral Origin Landscape |
| Lyons, Harrison, Homestead Historic District |
| Lyons Ranches Historic District |
| Madrona Knoll Rancho District |
| Main Street Historic Commercial District |
| Main Street Historic District-Winters |
| Malaga Cove Plaza |
| Malakoff Diggins-North Bloomfield Historic District |
| Malibu Historic District |
| Manzanita Lake Naturalist's Services Historic District |
| March Field Historic District |
| Marconi-RCA Bolinas Transmitting Station |
| Marconi Wireless-Synanon Tomales Bay Headquarters Historic District |
| Mare Island Naval Shipyard |
| Marguerita Lane Historic District |
| Marin Art and Garden Center |
| Marin City Public Housing |
| Marine Corps Recruit Depot Historic District |
| Mariposa Town Historic District |
| Market Street Theatre and Loft District |
| Markham Place Historic District |
| Martinez Historical District |
| Mar Vista Gardens |
| Mary Louise Court |
| Marysville Historic Commercial District |
| May Lake High Sierra Camp |
| McCloud |
| McCrea, Joel, Ranch |
| McKinley Park |
| Mendocino and Headlands Historic District |
| Mendocino Woodlands Recreational Demonstration Area |
| Menlo Avenue-West Twenty-ninth Street Historic District |
| Mentor Court |
| Merced Lake High Sierra Camp |
| Mescal Mining District |
| Messina Orchard |
| Mill Creek Zanja |
| Miller-Melone Ranch |
| Mills, Robert, Dairy Barn |
| Mineral King Road Cultural Landscape |
| Mission Court Bungalows |
| Mission Hill Area Historic District |
| Mission La Purísima at ’Amuwu District |
| Mission Nuestra Senora de la Soledad Historic District |
| Mission San Buenaventura and Mission Compound Site |
| Mission Santa Ines |
| Mojave Road |
| Monterey Old Town Historic District |
| Monterey Street Historic District |
| Montgomery Way Gateway Historic District |
| Morro Bay State Park Trailer and Tent Campground |
Data from United States Park Service and Wikidata
