National Register listings in Armstrong County, Pennsylvania
Most notable listings
Allegheny River Lock and Dam No. 6 Freeport · Structure · listed 2000 
Allegheny River Lock and Dam No. 7 Kittanning · Structure · listed 2000 
Allegheny River Lock and Dam No. 9 Widnoon · Structure · listed 2000 
Allegheny River Lock and Dam No.8 Templeton · Structure · listed 2000 
Allegheny River Locka and Dam No. 5 Freeport · Structure · listed 2000 
Armstrong County Courthouse and Jail Kittanning · Building · listed 1981 
Bradys Bend Iron Company Furnaces Bradys Bend · Site · listed 1980 
Colwell Cut Viaduct Seminole · Structure · listed 1988 
Drake Log Cabin Apollo · Building · listed 1983 
Ford City Armory Ford City · Building · listed 1989 All listings
Places: Kittanning (3) · Freeport (2) · Bradys Bend (2) · Widnoon (1) · Templeton (1) · Deanville (1) · Seminole (1) · Apollo (1) · Ford City (1) · Dayton (1) · Cowansville (1)
| Name | Place | Type | Listed |
|---|---|---|---|
| Allegheny River Lock and Dam No. 6 | Freeport | Structure | 2000 |
| Allegheny River Lock and Dam No. 7 | Kittanning | Structure | 2000 |
| Allegheny River Lock and Dam No. 9 | Widnoon | Structure | 2000 |
| Allegheny River Lock and Dam No.8 | Templeton | Structure | 2000 |
| Allegheny River Locka and Dam No. 5 | Freeport | Structure | 2000 |
| Armstrong County Courthouse and Jail | Kittanning | Building | 1981 |
| Bradys Bend Iron Company Furnaces | Bradys Bend | Site | 1980 |
| Bridge between Madison and Mahoning Townships | Deanville | Structure | 1988 |
| Colwell Cut Viaduct | Seminole | Structure | 1988 |
| Drake Log Cabin | Apollo | Building | 1983 |
| Ford City Armory | Ford City | Building | 1989 |
| Kittanning Passenger Station and Freight Depot | Kittanning | Building | 2025 |
| Marshall, Thomas, House | Dayton | Building | 1976 |
| St. Patrick's Roman Catholic Church | Cowansville | Building | 1978 |
| St. Stephen's Church | Bradys Bend | Building | 1980 |
State Historic Preservation Office
Nominations, tax-credit certifications and official records for Pennsylvania go through the Pennsylvania State Historic Preservation Office. See how to nominate a property.