| Property | Address | City | Date Listed |
|---|---|---|---|
| Coal Creek Bridge | 2404 Fillmore Street over Coal Creek | Carlisle vicinity | 05/15/1998 |
| Hoosier Row School | 15246 County Road R63 | Indianola vicinity | 06/23/2011 |
| Indianola High School | 301 N. Buxton | Indianola | 10/24/2002 |
| Lake Ahquabi State Park Bathhouse Area (Area B) | 1650 118th Ave. | Indianola | 11/15/1990 |
| Lake Ahquabi State Park Picnic Area (Area A) | 1650 118th Ave. | Indianola | 11/15/1990 |
| Lake Ahquabi State Park Refectory Area (Area C) | 1650 118th Ave. | Indianola | 11/15/1990 |
| Octagon Barn | Otter Township Off IA 205 | Milo | 06/30/1986 |
| Palmyra Methodist Episcopal Church | SW of Hartford | Palmyra | 10/01/1979 |
| Polled Hereford Breed Origin Site | SW of Indianola | Indianola | 06/24/1983 |
| Science Hall | Simpson College Campus | Indianola | 05/08/1991 |
| United Presbyterian Church | U.S. 65 Scotch Ridge | Summerset | 11/07/1976 |
| Warren County Courthouse | 115 N. Howard Avenue | Indianola | 08/28/2003 |