CA015 Antioch Gypsum

What they make

Where it is

Other plants nearby

Every listed plant in Contra Costa County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 2 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

• OSHA injury and illness reportsOPERATING
  Record 1003455 · first seen DEC 2025 · last seen DEC 2025

IN CONTRA COSTA COUNTY4 other plants share this one’s industry (Lime and Gypsum Product Manufacturing, NAICS 3274); 1 of them has a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Coordinates

Census geocoder: 38.013347734908,-121.791550618069 · JUL 2026

Employees (band)

OSHA: 100-499 · DEC 2025