Iowa - Role: Building
| Everett School |
| Everist, H. H., House |
| Ewert, Ferdinand, Building |
| Fairfield Public Library |
| Fairview Church and Cemetery |
| Farmers and Merchants Savings Bank |
| Farmers Mutual Reinsurance Company Building |
| Farmers Savings Bank |
| Farmers' State Bank |
| Farmhouse, Olmsted Family |
| Farnsworth, Shepard and Emma, House |
| Farwell, S. S., House |
| Fayette County Courthouse |
| Fay, Pliny and Adelia, House |
| Fellows, James C., House |
| Fennern, Henry P., House |
| Ficke Block |
| Fillmore Block |
| Financial Center Office Building |
| Finch, Fred, House |
| Findley, William, House |
| Fire Station No. 2 |
| Fire Station No. 4 |
| Firestone District Office and Warehouse |
| First Baptist Church of West Union |
| First Bible Missionary Church |
| First Christian Church |
| First Church of Christ Scientist |
| First Church of Christ, Scientist |
| First Church of Christ, Scientist |
| First Congregational Church |
| First Congregational Church |
| First Congregational Church |
| First Federal Savings and Loan Association Building |
| First Johnson County Asylum |
| First Lutheran Church |
| First Methodist Church |
| First Methodist Episcopal Church |
| First Methodist Episcopal Church |
| First National Bank |
| First National Bank |
| First National Bank |
| First National Bank |
| First National Bank |
| First National Bank |
| First National Bank Building |
| First National Bank Building |
| First National Bank of Davenport |
| First National Bank of Mason City |
| First National Bank of Pomeroy |
| First Presbyterian Church |
| First Presbyterian Church |
| First Presbyterian Church |
| First Presbyterian Church of Marion, Iowa |
| First Unitarian Church |
| First United Brethren Church |
| First United Methodist Church |
| First Universalist Church of Cedar Rapids |
| First Welsh Congregational Church |
| Fish and Game Pavilion and Aquarium |
| Fisher-Plane Commercial Building |
| Fleming Building |
| Fleshman, Charles M. and Emma M. Fischer, House |
| Floral Hall |
| Floral Hall |
| Floyd County Court House |
| Flynn-Griffin Building |
| Fobes Octagon Barn |
| Foley, John, House |
| Ford, Arthur Hillyer, House |
| Ford, W. T., House |
| Forest Grove School No. 5 |
| Former US Post Office Building |
| Forney, James M., House |
| Forrest Block |
| Fort Dodge Junior High School |
| Fort Dodge Senior High School |
| Fort Madison High School |
| Foster/Bell House |
| Fowler Company Building, The |
| Franke, C. F., House |
| Franklin Apartments |
| Franklin County Courthouse |
| Franklin County G. A. R. Soldiers' Memorial Hall |
| Franklin County Sheriff's Residence and Jail |
| Franklin Hotel |
| Franklin Printing House |
| Franklin Regular Baptist Church |
| Frankville School |
| Frantz Round Barn |
| Fremont County Courthouse |
| French, Alice, House |
| Frick's Tavern |
| Friedl Bakery Building |
| Fryer, O.F. and Lulu E., House |
| Fuerste House |
| Fuller, W. Joseph, House |
| Fulton, Fred and Rosa, Barn |
| Gabbert, William, House |
| Gabriel, Rees, House |
Data from United States Park Service and Wikidata
