National Register listings in McHenry County, Illinois
Most notable listings
Count's House McHenry · Building · listed 1982 
Covell, Lucein Boneparte, House Richmond · Building · listed 1989 
Geister, Christian, House Algonquin · Building · listed 2007 
Hibbard, Charles H., House Marengo · Building · listed 1979 
Memorial Hall Richmond · Building · listed 1993 
Old McHenry County Courthouse Woodstock · Building · listed 1974 
Palmer, Col. Gustavus A., House Crystal Lake · Building · listed 1985 
Rogers, Orson, House Marengo · Building · listed 1979 
Stickney, George, House Woodstock · Building · listed 1979 
Terwilliger House Woodstock · Building · listed 1979 Historic districts (2)
- Colby-Petersen Farm — McHenry
- Woodstock Square Historic District — Woodstock
All listings
Places: Woodstock (5) · McHenry (2) · Richmond (2) · Crystal Lake (2) · Marengo (2) · Algonquin (1)
| Name | Place | Type | Listed |
|---|---|---|---|
| Colby-Petersen Farm | McHenry | District | 2020 |
| Count's House | McHenry | Building | 1982 |
| Covell, Lucein Boneparte, House | Richmond | Building | 1989 |
| Crystal Lake Chicago and North Western Railway Company Depot | Crystal Lake | Building | 2026 |
| Geister, Christian, House | Algonquin | Building | 2007 |
| Hibbard, Charles H., House | Marengo | Building | 1979 |
| Memorial Hall | Richmond | Building | 1993 |
| Old McHenry County Courthouse | Woodstock | Building | 1974 |
| Palmer, Col. Gustavus A., House | Crystal Lake | Building | 1985 |
| Rogers, Orson, House | Marengo | Building | 1979 |
| Stickney, George, House | Woodstock | Building | 1979 |
| Terwilliger House | Woodstock | Building | 1979 |
| Woodstock Opera House | Woodstock | Building | 1974 |
| Woodstock Square Historic District | Woodstock | District | 1982 |
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.