California - Area of significance: Commerce
| Live Oak Historic Commercial District |
| Lodi Arch |
| Lorenz Hotel |
| Los Angeles Plaza Historic District |
| Los Gatos Historic Commercial District |
| Madrona Knoll Rancho District |
| Main Street Historic Commercial District |
| Main Street Historic District-Winters |
| Malakoff Diggins-North Bloomfield Historic District |
| Mansion House Hotel |
| Mariposa Town Historic District |
| Market Street Theatre and Loft District |
| Marysville Historic Commercial District |
| Maxfield Building |
| Mayfair Hotel |
| McClintock Storage Warehouse |
| McDonald, D. C., Building |
| McNear, Erskine, B., House |
| Mendocino and Headlands Historic District |
| Menlo Park Railroad Station |
| Michigan Bluff-Last Chance Trail |
| Middough Brothers-Insurance Exchange Building |
| Minter, George W., House |
| Mission Hill Area Historic District |
| Mohr and Yoerk Market |
| Moir Building |
| Montgomery Ward and Company |
| Morse, Charles Copeland, House |
| Mount Pleasant House |
| Mount View Hotel |
| Municipal Warehouse No. 1 |
| National Bank of Whittier Building |
| National Exchange Hotel |
| Navarro |
| Nevada-California-Oregon Railway Co. General Office Building |
| Nevada City Downtown Historic District |
| New Hotel Carquinez |
| NIANTIC (Storeship) |
| Nobles Emigrant Trail |
| NORLINA (shipwreck and remains) |
| Oakland Hotel |
| Oakland Waterfront Warehouse District |
| Oakville Grocery |
| Odd Fellows Hall |
| Old Auburn Historic District |
| Old Bank of America Building |
| Old Pasadena Historic District |
| Old Tavern |
| Old Towne Orange Historic District |
| Olema Valley Dairy Ranches Historic District |
| Ontario State Bank Block |
| Orange Cove Santa Fe Railway Depot |
| Oroville Commercial District (old) |
| Ott's Assay Office |
| Oviatt, James, Building |
| Pacific Coast Railway Company Grain Warehouse |
| Pacific Gas and Electric Company General Office Building and Annex |
| Paige Motor Car Co. Building |
| Palace Hotel |
| Pan American National Bank of East Los Angeles |
| Park Street Historic Commercial District |
| Park View Hotel |
| Pasadena Playhouse Historic District |
| Paso Robles Almond Growers Association Warehouse |
| Pearson, John, Soda Works |
| Petaluma Historic Commercial District |
| Petaluma Silk Mill |
| Pickwick Hotel |
| Piedras Blancas Light Station |
| Pier One |
| Pierotti, Attlio and Jane, House |
| Pigeon Point Lighthouse |
| PILOT (Pilot Boat) |
| Pinkham, Capt. George, House |
| Pioneer Trunk Factory-C. A. Malm & Co. |
| Pioneer Woolen Mills and D. Ghirardelli Company |
| Piute Pass Archeological District |
| Placer County Bank |
| Plaza Historic District |
| Point Bonita Light Station |
| Point Cabrillo Light Station |
| Point Fermin Lighthouse |
| Point Montara Light Station |
| Point Pinos Lighthouse |
| Point Reyes Lifeboat Rescue Station, 1927 |
| Point Reyes Light Station |
| Point Reyes Peninsula Dairy Ranches Historic District |
| Point Sur Light Station |
| Porter Building |
| Port of San Francisco Embarcadero Historic District |
| Princeton Hotel |
| Providence Townsite |
| Railroad Square District |
| Ralphs Grocery Store |
| Ralston, William C., House |
| Ramos, John, Sherry House-Depot Saloon |
| Rankin Building |
| Red Dog Townsite |
| Redlands Santa Fe Depot District |
| Redwood City Historic Commercial Buildings |
Data from United States Park Service and Wikidata
