| Property | Address | City | Date Listed |
|---|---|---|---|
| Bennington No. 4 | Jct. Of Bennington and Sage roads | Waterloo vicinity | 1/16/2001 |
| Black Hawk County Soldiers Memorial Hall | 194 W. Fifth Street | Waterloo | 11/29/1988 |
| Black Hawk Hotel | 115-119 Main Street | Cedar Falls | 11/04/2002 |
| Cedar Falls Ice House | Franklin Ave. and 1st Street | Cedar Falls | 10/21/1977 |
| Cedar Falls Independent Order of Odd Fellows | 401--403 Main Street | Cedar Falls | 05/02/1997 |
| Central Hall | University of Northern Iowa campus | Cedar Falls | 01/18/1984 |
| Chapple and Young Block | 316-318-320 Main Street | LaPort City | 9/20/2002 |
| Chicago Great Western Railroad Waterloo Frieght Depot | Sixth Street | Waterloo | 01/17/1997 |
| Cotton Theater | 103 Main Street | Cedar Falls | 07/23/1993 |
| Dunkerton Bridge | Town street over Crane Creek | Dunkerton | 6/25/98 |
| Dunsmore House | 902 Logan Ave. | Waterloo | 11/17/1977 |
| Emerson School | 314 Randolph Street | Waterloo | 12/29/04 |
| Fire Station No. 2 | 716 Commercial Street | Waterloo | 11/29/1988 |
| The Fowler Company Building | 226-228 E. 4th St. | Waterloo | 09/16/2009 |
| Gingrich Clement B. House | 300 Walnut Street | Laporte City | 12/04/1996 |
| Grace Methodist Episcopal Church | 633 Walnut Street | Waterloo | 10/06/2011 |
| Highland Historic District | Roughly bounded by Independence Ave. Steely Idaho and Vine Sts. | Waterloo | 09/24/1984 |
| Hotel Russell-Lamson | 201--215 W. Fifth Street | Waterloo | 11/29/1988 |
| La Porte City Station | 202 E. Main Street | La Porte | 03/13/1979 |
| Lange August H. J. and Justena Farmstead Historic District | 8214 Spring Creek Rd. | La Porte City | 05/14/1997 |
| LaPorte City Town Hall and Fire Station | 413 Chestnut | LaPorte City | 05/12/1977 |
| Marsh--Place Building | 627 Sycamore St. | Waterloo | 10/22/1998 |
| Master Service Station | 500 Jefferson Street | Waterloo | 02/07/2011 |
| McQuilken John N. and Mary House | 602 Commercial Street | La Porte City | 09/08/1994 |
| Newell James Barn | N of Cedar Falls off U.S. 218 | Cedar Falls | 12/12/1976 |
| Rath Packing Company Administration Building | 1515 E. Sycamore St., 208-212 Elm St. | Waterloo | 12/10/08 |
| Roosevelt Elementary School | 200 E. Arlington Street | Waterloo | 12/30/2004 |
| Round Barn | Washington Township Off US 218 | Janesville | 06/30/1986 |
| Rownd C. A. Round Barn | 5102 S. Main | Cedar Falls | 11/19/1986 |
| Russell Rensselaer House | 520 W. 3rd Street | Waterloo | 07/05/1973 |
| Snowden House | 306 Washington Street | Waterloo | 09/14/1977 |
| Wasson, Dr. Jesse, Building | 201 Main Street | La Porte City | 10/7/1999 |
| Waterfield William House | 308 3rd Street S. | Raymond | 10/19/1978 |
| Waterloo East Commercial Historic District | 128-329 E. 4th Street, 612-616 Mulberry Street, 501-632 Sycamore Street | Waterloo | 11/18/2011 |
| Waterloo Public Library--East Side Branch | 626 Mulberry Street | Waterloo | 11/29/1988 |
| Walnut Street Baptist Church | 415 Walnut Street | Waterloo | 8/16/00 |
| Waterloo Public Library (West Branch) | 528 W. 4th Street | Waterloo | 05/23/1983 |
| Weis Henry House | 800 W. Fourth Street | Waterloo | 10/30/1989 |
| Whittier School | 1500 Third Street West | Waterloo | 12/30/04 |
| YMCA Building | 154 W. 4th Street | Waterloo | 07/07/1983 |