Exact federal listing answer
Is La Casa Primera de Rancho San Jose on the National Register?
Yes · NPS status: Listed
Yes. Reference 75000436 is listed.
Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies La Casa Primera de Rancho San Jose as Listed in the National Register of Historic Places under reference 75000436.
Federal statusListed
National Register reference75000436
Listed dateApril 3, 1975
Property categoryBuilding
Published address1569 N. Park Ave.
LocalityPomona, Los Angeles County, California
Significance levelLocal
Published acreage1.6
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: ARCHITECTURE.
Same locality
Other released Pomona records.
Each linked page answers a separate named federal record.