Exact federal listing answer
Is Union High School on the National Register?
Yes · NPS status: Listed
Yes. Reference 99001665 is listed.
Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies Union High School as Listed in the National Register of Historic Places under reference 99001665.
Federal statusListed
National Register reference99001665
Listed dateJanuary 14, 2000
Property categoryBuilding
Published address3455 W. 72nd Ave.
LocalityWestminster, Adams County, Colorado
Significance levelLocal
Published acreage1.4
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: COMMUNITY PLANNING AND DEVELOPMENT, EDUCATION, POLITICS/GOVERNMENT.
Other published names: Westminster Junior High School, Alternative Center for Education.
Same locality
Other released Westminster records.
Each linked page answers a separate named federal record.