California - Area of significance: Commerce
| El Paseo and Casa de la Guerra |
| Elster, C. A., Building |
| Emporium |
| EUREKA |
| Eureka Historic District |
| Farallone Islands |
| Farmer's and Merchant's Bank |
| Fashion Shop and Stephen Porcella House |
| Feraud General Merchandise Store |
| Fernandez, Bernardo, House |
| Ferndale Main Street Historic District |
| First and F Street Building |
| Fisk’s Mill Landing Historical and Archaeological District |
| Flood, James C., Mansion |
| Folger Coffee Company Building |
| Ford Motor Company Assembly Plant |
| Forest City |
| Fort Jones House |
| Fort Ross Commander's House |
| Fort Ross Landing Historical and Archaeological District |
| Fox-Oakland Theater |
| Frankish Building |
| Freestone Store |
| Fresno Republican Printery Building |
| FROLIC (brig) |
| Galleano Winery |
| Gamble Building and Miner's Bean Kettle |
| Garbutt House |
| Gaslamp Quarter Historic District |
| Getchell, O. W., House |
| Gibb, Daniel, & Co. Warehouse |
| Glen Tavern Hotel |
| Golden Sheaf Bakery |
| Gordon Building |
| Gosby House Inn |
| Grand-Horton Hotel |
| Green Gables-Fleischhacker, Mortimer, Country House |
| Green Shutter Hotel |
| Grether and Grether Building |
| Greystone Cellars |
| Griffith Quarry |
| Groezinger Wine Cellars |
| Groveland Hotel |
| Guaranty Building |
| Hale Brothers Department Store |
| Harmony Borax Works |
| Harrier, Daniel Webster, House |
| Hart Building |
| Haslett Warehouse |
| Hazel Hotel |
| HERCULES (tugboat) |
| Higgins Building |
| Hinds, A. J., House |
| Hofman, Charles, House |
| Holly Street Livery Stable |
| Hollywood Boulevard Commercial and Entertainment District |
| Holzwasser-Walker Scoot Building and Owl Drug Building |
| Home Laundry |
| Honigsberger Store |
| Hotel Arcata |
| Hotel Charlotte |
| Hotel Fresno |
| Hotel Lodi |
| Hotel Mayfair |
| Hotel Metropole |
| Hotel Rosslyn Annex |
| Hotel Sainte Claire |
| Hotel St. Matthew |
| Hotel Woodland |
| Howard Motor Company Building |
| Hunters Point Commercial Drydock Historic District |
| Inskip Hotel |
| Irvine Bean and Growers Association Building |
| Isleton Chinese and Japanese Commercial Districts |
| Italian Hotel |
| Jack, Robert, House |
| Jackson Downtown Historic District |
| Jackson Square Historic District |
| Jacoby Building |
| Janssen, E., Building |
| Jastro Building |
| J Street Wreck |
| Judson and Brown Ditch |
| Kee, Sam, Laundry Building |
| Kennedy Mine Historic District |
| Kindel Building |
| King Edward Hotel |
| KING PHILIP (ship) and REPORTER (schooner) Shipwreck Site |
| Knights Ferry |
| Knight's Foundry and Shops |
| Krug, Charles, Winery |
| Kruger House |
| Larkspur Downtown Historic District |
| Lava Beds National Monument Archeological District |
| Lawrence Warehouse |
| Lee, Fong, Company |
| Lettunich Building |
| Lewiston Historic District |
| Lick, James, Mill |
| Little Tokyo Historic District |
Data from United States Park Service and Wikidata
