Exact federal listing answer

Is Union Iron Works Turbine Machine Shop on the National Register?

Yes · NPS status: Listed

Yes. Reference 80000794 is listed.

Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies Union Iron Works Turbine Machine Shop as Listed in the National Register of Historic Places under reference 80000794.

Federal statusListed
National Register reference80000794
Listed dateApril 10, 1980
Property categoryBuilding
Published address2200 Webster St.
LocalityAlameda, Alameda County, California
Significance levelLocal
Published acreage2.1
Exact answer boundary

This 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, ARCHITECTURE.

Other published names: Bethlehem-Alameda Shipyard Machine Shop.

Same locality

Other released Alameda records.

Each linked page answers a separate named federal record.

Return to Alameda records · Check an address against supported local historic boundaries.