Exact federal listing answer
Is Petaluma Silk Mill on the National Register?
Yes · NPS status: Listed
Yes. Reference 86000386 is listed.
Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies Petaluma Silk Mill as Listed in the National Register of Historic Places under reference 86000386.
Federal statusListed
National Register reference86000386
Listed dateMarch 6, 1986
Property categoryBuilding
Published address420 Jefferson St.
LocalityPetaluma, Sonoma County, California
Significance levelLocal
Published acreage1.2
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: INDUSTRY, COMMERCE, ARCHITECTURE.
Other published names: Carlson-Currier Silk Mfg. Co., Belding-Heminway-Corticelli, Su.
Same locality
Other released Petaluma records.
Each linked page answers a separate named federal record.