Exact federal listing answer
Is Butler County Courthouse on the National Register?
Yes · NPS status: Listed
Yes. Reference 77001132 is listed.
Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies Butler County Courthouse as Listed in the National Register of Historic Places under reference 77001132.
Federal statusListed
National Register reference77001132
Listed dateSeptember 15, 1977
Property categoryBuilding
Published addressS. Main and Diamond Sts.
LocalityButler, Butler County, Pennsylvania
Significance levelLocal
Published acreage1.5
Exact answer boundaryThis confirms the named federal record only.
It does not prove that another address lies inside this property or district, establish local landmark status, decide preservation review, define a legal boundary, or describe ownership or current condition.
Why the wording is date-boundedThe answer reflects the NPS dataset published through May 22, 2026 and a live NPS GIS Listed-status cross-check made September 20, 2026. NPS notes that spatial points and polygons may need correction and are not legal documents.
Additional published fields
Areas of significance: POLITICS/GOVERNMENT, ARCHITECTURE.
Same locality
Other released Butler records.
Each linked page answers a separate named federal record.