Exact federal listing answer
Is Union Agency on the National Register?
Yes · NPS status: Listed
Yes. Reference 70000535 is listed.
Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies Union Agency as Listed in the National Register of Historic Places under reference 70000535.
Federal statusListed
National Register reference70000535
Listed dateOctober 6, 1970
Property categoryBuilding
Published addressAgency Hill in Honor Heights Park
LocalityMuskogee, Muskogee County, Oklahoma
Significance levelState
Published acreage5
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: NATIVE AMERICAN, POLITICS/GOVERNMENT, SOCIAL HISTORY.
Same locality
Other released Muskogee records.
Each linked page answers a separate named federal record.