California - Area of significance: Commerce
| Reedley National Bank |
| Reedley Opera House Complex |
| Reed's Store |
| Remar Bakery |
| Riverside-Arlington Heights Fruit Exchange |
| Roma Bakery |
| Rosicrucian Fellowship Temple |
| Round Valley Flour Mills |
| Ryan Historic District |
| Sacramento Bank Building |
| Sacramento Northern Railway Historic District |
| Salt Point Landing Historical and Archaeological District |
| San Fernando Building, The |
| San Gregorio House |
| San Jose Downtown Historic District |
| San Juan Bautista Third Street Historic District |
| San Luis Obispo Light Station |
| Santa Fe Depot |
| Santa Fe Passenger Depot |
| Santa Rosa Island Archeological District |
| Santora Building |
| Sears, Roebuck & Company Mail Order Building |
| Security Bank and Trust Company Building |
| Security Trust and Savings |
| Semorile Building |
| Shaw, Isaac E., Building |
| Skidoo |
| Smith-Tuthill Funeral Parlors |
| Southern California Gas Company Complex |
| Southern Hotel |
| Southern Pacific Passenger Depot |
| Southern Pacific Railroad Company's Sacramento Depot |
| South Pasadena Historic District |
| Special Internal Revenue Bonded Warehouse, First District, No. 13 |
| Sperry Office Building |
| Sperry Union Flour Mill |
| Spurgeon Block |
| SS POMONA (Shipwreck) |
| SS RIO DE JANEIRO Shipwreck |
| SS WINFIELD SCOTT (Steamship) |
| SS YANKEE BLADE |
| STAMBOUL (Whaling Bark) |
| Standish Hall |
| STAR OF INDIA |
| Steamship TENNESSEE Remains |
| Stevens Trail |
| St. George Hotel |
| St. George Reef Light Station |
| Stockton Savings and Loan Society Bank |
| Stoesser Block and Annex |
| Suscol House |
| Sutter Club |
| Sutter's Fort |
| Tidball Store |
| Torrey, Joseph and Carrie, House |
| Tower House District |
| Travelers' Hotel |
| Trinidad Head Light Station |
| Troy Laundry |
| Tubbs Cordage Company Office Building |
| Upper Klamath River Stateline Archaeological District |
| USCGC STORIS (cutter) |
| Van Voorhies House |
| Venetian Court Apartments |
| Von Pfister General Store |
| Walnut Grove Commercial/Residential Historic District |
| Warehouse Row |
| Washington Building |
| Wasserman House |
| Watts Building |
| Wawona Hotel and Pavilion |
| Weaverville Historic District |
| Webber Lake Hotel |
| Well No. 4, Pico Canyon Oil Field |
| West Miner Street-Third Street Historic District |
| Wigwam Village No. 7 |
| William Tell Saloon and Hotel |
| Winehaven |
| Winehaven Historic District |
| Wolf Store and Vail Ranch Headquarters |
| Woodleaf Hotel |
| Woodside Store |
| Wood, Walter B., House |
| Wulff, Capt. N. H., House |
| Yerba Buena Island Lighthouse |
| Yorba, Domingo Adobe and Casa Manuel Garcia |
| Young's Market Company Building |
Data from United States Park Service and Wikidata