California - Criteria: C (architecture/engineering)
| Cucamonga Service Station |
| Culbertson, Cordelia A., House |
| Culver, C. Z., House |
| Culver Hotel |
| Cypress Court |
| Dallam-Merritt House |
| Dana Adobe |
| Dana, Richard Henry, Branch |
| Davis Mill |
| Davis Subway |
| De Anza Hotel |
| Death Valley Junction Historic District |
| Death Valley Scotty Historic District |
| Degnan's Restaurant |
| Delane House |
| de Lemos, Pedro, House |
| De Neve, Felipe, Branch |
| Denham, Mary E., House |
| DePue, Grace Blair, House and Indian Museum |
| Derby, James Daniel, House |
| Desert View Tower |
| De Turk Round Barn |
| Dewella Apartments |
| Dielmann, John, House |
| Dinkey Creek Bridge |
| Dixie Schoolhouse |
| Doe Memorial Library |
| Doheny Estate/Greystone |
| Dohrmann Building |
| Dollar, Robert, House |
| Dollar, Robert Stanley Sr., House |
| Dominguez Ranch Adobe |
| Don Carlos Court |
| Doolan, Richard P., Residence and Storefronts |
| Douglas Flat School |
| Downing, T. B., House |
| Downtown Oakland Historic District |
| Downtown Santa Ana Historic Districts (North, Government/Institutional and South, Retail) |
| Drawing Building |
| Dresbach-Hunt-Boyer House |
| Drydock 4 Hunters Point Naval Shipyard |
| Dudley House |
| Dunker House |
| Dunn, Robert J., House |
| Dunns Block |
| Dunsmuir House |
| Durant Hall |
| Dutton Hotel, Stagecoach Station |
| Eagle Rock Branch Library |
| Eames House |
| Easley, Oscar, Block |
| East Brother Island Light Station |
| Eastern Star Hall |
| East San Jose Carnegie Library |
| Ebell Club of Santa Paula |
| Ebell of Los Angeles |
| Ebell Society of Santa Ana Valley |
| Eden Congregational Church |
| Edgemoor Farm Dairy Barn |
| Edris House |
| Edwards, Frank G., House |
| Edwards, George C., Stadium |
| Ehrhardt, William, House |
| Einstein House |
| El Cabrillo |
| El Cortez Apartment Hotel |
| El Dorado Elementary School |
| El Garces |
| El Greco Apartment |
| Elks Building |
| Ellis-Martin House |
| Ellison, The |
| Elliston |
| El Molino Viejo |
| El Paseo and Casa de la Guerra |
| El Portal Old Schoolhouse |
| El Prado Complex |
| Elrod, Arthur, House |
| Elster, C. A., Building |
| El Toyon |
| Emery, Katherine Estate |
| Empire Mine |
| Emporium |
| Engine Company No. 28 |
| Engine Co. No. 27 |
| Engine House No. 18 |
| Engine House No. 31 |
| Ennis House |
| Ensign, Dr. Orville S., House |
| Episcopal Church of Our Saviour |
| Episcopal Church of the Ascension |
| Esslinger Building |
| Estudillo House |
| Euclid Avenue |
| Euclid Court |
| EUREKA |
| Eureka Historic District |
| Eureka Inn |
| Eureka Theatre |
| Evanston Inn |
Data from United States Park Service and Wikidata
