Exact federal listing answer
Is Reading Hardware Company Butt Works on the National Register?
Yes · NPS status: Listed
Yes. Reference 79002170 is listed.
Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies Reading Hardware Company Butt Works as Listed in the National Register of Historic Places under reference 79002170.
Federal statusListed
National Register reference79002170
Listed dateNovember 20, 1979
Property categoryBuilding
Published address537 Willow St.
LocalityReading, Berks County, Pennsylvania
Significance levelState
Published acreage7.7
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: INDUSTRY.
Same locality
Other released Reading records.
Each linked page answers a separate named federal record.