Colorado - Role: Building
| Emerson School |
| Emily Griffith Opportunity School |
| Emmanuel Presbyterian Church |
| Emmanuel Shearith Israel Chapel |
| Empson Cannery |
| Englewood I.O.O.F. Lodge No. 138 Building |
| Englewood Post Office |
| Entrance Residence, Check Station Residence |
| Eppich Apartments |
| Equitable Building |
| Ertel Funeral Home |
| Evans, Anne, Mountain Home |
| Evans-Elbert Ranch |
| Evans, J.G., Barn |
| Evans Memorial Chapel |
| Evans School |
| Evergreen Corner Rural Historic District |
| Everhardt Ranch |
| Exon & Rush Meat Market and Mercantile |
| Fairplay Hotel |
| Fall River Pass Ranger Station |
| Fall River Pump House and Catchment Basin |
| Farmers State Bank Building |
| Farmers State Bank of Cope |
| Fay, William and Anna, House |
| Field, Eugene, House |
| Finney, Dr. Frank, House |
| Fire Station No. 1 |
| Fire Station No. 3 |
| First Avenue Hotel |
| First Baptist Church |
| First Baptist Church |
| First Baptist Church |
| First Baptist Church of Boulder |
| First Baptist Church of Denver |
| First Baptist Church of Moffat |
| First Baptist Church of Salida |
| First Christian Church |
| First Congregational Church |
| First Congregational Church |
| First Congregational Church |
| First Congregational Church |
| First Congregational Church of Lyons |
| First Evangelical Lutheran Church |
| First Methodist Episcopal Church |
| First Methodist Episcopal Church |
| First Methodist Episcopal Church |
| First Methodist Episcopal Church |
| First Methodist Episcopal Church |
| First Methodist Episcopal Church of Delta |
| First National Bank Building |
| First National Bank Building |
| First National Bank Building |
| First National Bank Building |
| First National Bank of Douglas County |
| First National Bank of Elizabeth |
| First National Bank of Haxtun |
| First Presbyterian Church |
| First Presbyterian Church of Eckert |
| First Presbyterian Church of Ramah |
| First Unitarian Society of Denver |
| First United Presbyterian Church |
| First United Presbyterian Church |
| Fisher, William G., House |
| Fisher-Zugelder House and Smith Cottage |
| Fitch Terrace |
| Fitzroy Place |
| Flagler Hospital |
| Fleming-Hanington House |
| Florence High School |
| Florissant School |
| Flower, John S., House |
| Flowers, Jacob and Elizabeth, House |
| Flower-Vaile House |
| Foidel Canyon School |
| Ford, Barney L., Building |
| Ford, Justina, House |
| Fort Collins Armory |
| Fort Collins Post Office |
| Fort Morgan City Hall |
| Fort Morgan State Armory |
| Fort, The |
| Foster, A. C., Building |
| Foster-Buell Estate |
| Foster, Ernest LeNeve, House |
| Fountain Inn |
| Four-Mile House |
| Fourth Church of Christ, Scientist |
| Fox Mine Office |
| Fox Stone Barn |
| Francisco Plaza |
| Frantz, D. E., House |
| Frazier, R. T., House |
| Frisco-Bagley Mine and Tunnel |
| Frisco Schoolhouse |
| Fruita Museum |
| Fruitdale Grade School |
| Fuller, Granville, House |
| Fuller, Montezuma, House |
| Galligan House |
Data from United States Park Service and Wikidata
