Exact federal listing answer
Is Orange Union High School on the National Register?
Yes · NPS status: Listed
Yes. Reference 75000448 is listed.
Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies Orange Union High School as Listed in the National Register of Historic Places under reference 75000448.
Federal statusListed
National Register reference75000448
Listed dateApril 14, 1975
Property categoryBuilding
Published address333 N. Glassell St.
LocalityOrange, Orange County, California
Significance levelLocal
Published acreage5.4
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: EDUCATION, ARCHITECTURE, SOCIAL HISTORY.
Other published names: Chapman College.
Same locality
Other released Orange records.
Each linked page answers a separate named federal record.