California - Role: Building
| Milpitas Ranchhouse |
| Miltimore House |
| Minerva Club of Santa Maria |
| Minter, George W., House |
| Miracle Mile Apartments Historic District |
| Mirlo Gate Lodge Tower |
| Mish House |
| Mission Brewery |
| Mission Court |
| Mission Cultural Center |
| Mission Dolores |
| Mission Inn |
| Mission San Fernando Rey de Convento Building |
| Mission San Jose |
| Mission San Juan Capistrano |
| Mission San Miguel Arcangel |
| Miss Orton's Classical School for Girls (Dormitory) |
| Modjeska House |
| Mohnike Adobe |
| Mohr and Yoerk Market |
| Moir Building |
| Molino Lodge Building |
| Monday Club of San Luis Obispo |
| Moneta Branch |
| Mono County Courthouse |
| Montanez Adobe |
| Montebello Woman's Club |
| Montecito Apartments |
| Montecito Ranch House |
| Monterey County Court House |
| Monterey County Jail |
| Monte Vista and Diamond Mountain Vineyard |
| Montgomery Ward and Company |
| Mooers, Frederick Mitchell, House |
| Moore, James, House |
| Moraga Adobe |
| Morse, Charles Copeland, House |
| Morse, LeGrand, House |
| Morse-Skinner Ranch House |
| Moss Flats Building |
| Mountain View Adobe |
| Mount Harkness Fire Lookout |
| Mount Pleasant House |
| Mount St. Mary's Academy and Convent |
| Mount View Hotel |
| Moylan, Maj. Myles, House |
| Moyse Building |
| Muckenthaler House |
| Muir, John, Branch |
| Muir, John, Memorial Shelter |
| Municipal Warehouse No. 1 |
| Murer House and Gardens |
| Murphy, D. J., House |
| Murphys Grammar School |
| Murphys Hotel |
| Mutual Savings Bank Building |
| Myrtle Street Flats |
| Napa County Courthouse Plaza |
| Napa Opera House |
| Napa Valley Railroad Depot |
| National Bank of San Mateo |
| National Bank of Whittier Building |
| National Carbon Company Building |
| National Exchange Hotel |
| National Farm Workers Association Headquarters |
| Natural History Museum |
| Navarro |
| NCO Railway Depot |
| Neary-Rodriguez Adobe |
| Nelson Ranch |
| Nesbitt, Sheriff William Joseph, House |
| Neutra Office Building |
| Neutra, Richard and Dion, VDL Research House II |
| Nevada Brewery |
| Nevada-California-Oregon Railway Co. General Office Building |
| Nevada City Firehouse No. 2 |
| Nevada City Free Public Library |
| Nevada Theatre |
| Newcastle Portuguese Hall |
| Newcomb House |
| Newhall Estate |
| New Hotel Carquinez |
| Newland House |
| New Lynn Theater |
| New Mission Theater |
| New Sequoia Theater Building |
| Nichelini Winery |
| Nicholson, Grace, Building |
| Nisei VFW Post 8985 |
| Nixon, Richard, Birthplace |
| Norris, Frank, Cabin |
| Norris House |
| North Gate Hall |
| North Hollywood Branch |
| North Sacramento School |
| North Shore Yacht Club |
| North Star House |
| Norton, John, House |
| Noyes Mansion |
| Nursery School for Visually Handicapped Children |
Data from United States Park Service and Wikidata
