National Register listings in Warren County, Illinois
Most notable listings
Alexis Opera House Alexis · Building · listed 1987 
Carr House Monmouth · Building · listed 1988 
Colwell, E. B., and Company Department Store Monmouth · Building · listed 1993 
Martin, Sarah, House Monmouth · Building · listed 1980 
Monmouth Courthouse Commercial Historic District Monmouth · District · listed 2006 
Patton Block Building Monmouth · Building · listed 1990 
Pike-Sheldon House Monmouth · Building · listed 1999 
Quinby, Ivory, House Monmouth · Building · listed 1980 
Stewart, Minnie, House Monmouth · Building · listed 1989 
Weir, William S., Jr., House Monmouth · Building · listed 1992 Historic districts (1)
All listings
Places: Monmouth (10) · Alexis (1)
| Name | Place | Type | Listed |
|---|---|---|---|
| Alexis Opera House | Alexis | Building | 1987 |
| Brewer, May (Carns) and John E., House | Monmouth | Building | 2023 |
| Carr House | Monmouth | Building | 1988 |
| Colwell, E. B., and Company Department Store | Monmouth | Building | 1993 |
| Martin, Sarah, House | Monmouth | Building | 1980 |
| Monmouth Courthouse Commercial Historic District | Monmouth | District | 2006 |
| Patton Block Building | Monmouth | Building | 1990 |
| Pike-Sheldon House | Monmouth | Building | 1999 |
| Quinby, Ivory, House | Monmouth | Building | 1980 |
| Stewart, Minnie, House | Monmouth | Building | 1989 |
| Weir, William S., Jr., House | Monmouth | Building | 1992 |
State Historic Preservation Office
Nominations, tax-credit certifications and official records for Illinois go through the Illinois State Historic Preservation Office. See how to nominate a property.