Iowa - Constructed - 1880–1889
| Adams-Higgins House |
| Anderson, D. H., House |
| Baird, E. J., House |
| Basilica of St. Francis Xavier, Church and Rectory |
| Bell, John, Block |
| Brick Gothic House |
| Burdick, Anthony, House |
| Burnett-Montgomery House |
| Cannon, Wilbur D. and Hattie, House |
| Cedar Rapids Milk Condensing Company |
| Cedar Rapids Pump Company Factory and Warehouse |
| Chaffee-Hunter House |
| Chain Lakes Bridge |
| Chicago, Rock Island and Pacific Railroad Stone Arch Viaduct |
| Church of St. John the Baptist |
| Clark-Blackwell House |
| Coal Creek Bridge |
| College Block Building |
| Cooper, George, House |
| Coralville Union Ecclesiastical Church |
| Danish Lutheran Church |
| Diamond Jo Boat Store and Office |
| Dibble House |
| Edel, Matthew, Blacksmith Shop and House |
| Elkader Keystone Bridge |
| Evans, Henry and Elizabeth Adkinson, House |
| Farnsworth, Shepard and Emma, House |
| Goode, Lowry W., and Hattie N., First North Des Moines House |
| Hall, James Norman, House |
| Hedge Block |
| Hogback Covered Bridge |
| Holliwell Covered Bridge |
| Home of Marshall's Horseradish |
| Hope Fire Company Engine House |
| Iowa State Capitol |
| Kellow House |
| Kiene, Albert, House |
| Kirkham, Francis M., House |
| Lake City Public Library |
| Lesinger Block |
| Letovsky-Rohret House |
| Liberty Hall |
| Lord, Richard T. C., and William V. Wilcox House |
| Maish House |
| Martin, Dr. G. S., House |
| McMullin, Maj. James W., House |
| National State Bank |
| Plane, Robert R., and Julia L., House |
| Pottawattamie County Sub Courthouse |
| Pratt, A. W., House |
| Purdy, Eliphalet W. and Catherine E. Jaquish, House |
| Reichert, John Christian and Bertha Landrock, House |
| Renken, Renke and Wubke, House |
| Roberts Octagon Barn |
| Robinson, George W. and Mary J. (Maxwell), House |
| Roseman Covered Bridge |
| Ross Grain Elevator |
| Saint Boniface Catholic Church District |
| Saints Peter and Paul Catholic Church |
| Scott, Mary A. and Caleb D., House |
| Shantz, Martin L. and Mary Jane (Yount), House |
| Shea, John J. and Agnes, House |
| Sherman, Lampson P., House |
| Smith, Peter and Mary, House |
| Squiers, J. E., House |
| Stauer, Peter, House |
| Stearns, C. S., House |
| St. Lawrence Catholic Church |
| St. Peter Church |
| St. Peter's Church and Rectory |
| Swigert, W. B., House |
| Tedford, W. H., House |
| Vail, Mrs. Marian D.-Prof. Charles Noyes Kinney House |
| Weess, Frank J., House |
| Wickham, O. P., House |
| Wilson, Asa, House |
| Wolff, Philip A., House and Carriage House |
| Woods, Oscar C., House |
| Ziepprecht Block |
| Zuhn Building |
Data from United States Park Service and Wikidata
