| Property | Address | City | Date Listed |
|---|---|---|---|
| Big Slough Creek Bridge | Bancroft Ave. over Big Slough Creek | Nichols vicinity | 5/15/98 |
| Bridge near West Liberty | 130th Street over unnamed stream | West Liberty vicinity | 5/15/98 |
| Pine Mill Bridge | over Pine Creek in Wildcat Den State Park | Muscatine vicinity | 5/15/98 |
| Fay Pliny and Adelia House | 112 Locust Street | Muscatine | 4/23/98 |
| Chicago Rock Island and Pacific Railroad--Wilton Depot | N. Railroad Street | Wilton | 08/25/1988 |
| Clark-Blackwell House | 206 Cherry Street | Muscatine | 01/27/1983 |
| Clark Alexander House | 203 W. 3rd Street | Muscatine | 10/14/1976 |
| Downtown Commercial Historic District | Roughly nine blks centered on 2nd St. bet. Pine and Mulberry | Muscatine | 05/24/06 |
| First Presbyterian Church | 401 Iowa Ave. | Muscatine | 09/14/1977 |
| Fuller W. Joseph House | 1001 Mulberry Ave. | Muscatine | 12/10/1982 |
| Greenwood Cemetery Chapel | 1814 Lucas | Muscatine | 9/21/2001 |
| McKibben S. M. House | Walnut Street between Front and 2nd | Muscatine | 08/27/1974 |
| Muscatine County Courthouse | 3rd Street | Muscatine | 07/02/1981 |
| Nichols Samuel House | E of Nichols off IA 22 | Nichols | 03/31/1978 |
| Old Jail | 411 E. 4th Street | Muscatine | 07/24/1974 |
| Pine Creek Gristmill | NE of Muscatine in Wildcat Den State Park | Muscatine | 12/10/1979 |
| Pine Mills German Methodist Episcopal Church | 180th Street and Verde Avenue | Muscatine | 10/17/2003 |
| Sinnett Octagon House | N of Muscatine near IA 38 | Muscatine | 07/18/1974 |
| Trinity Episcopal Church | 411 E. 2nd Street | Muscatine | 10/29/1974 |
| Ward George H. and Loretta House | 719 N. Calhoun Street | West Liberty | 05/02/1997 |
| Warde J. C. B. House | 205 Cherry Street | Muscatine | 04/26/1979 |
| Welch Apartments | 224 Iowa Ave. | Muscatine | 01/15/1979 |
| West Hill Historic District | roughly W. 2nd Street from Pine to Ash, W. 3rd Street and W. 4th Street from Chestnut to near Ash | Muscatine | 04/30/2008 |
| West Liberty Commercial Historic District | Bounded by 4th St., Railroad Tracks, Clay and Spencer Sts. | West Liberty | 9/12/2002 |
| Wilton Candy Kitchen | 310 Cedar Street | Wilton | 01/07/1993 |