Calmat Company Dba Shamrock Materials
410 Hopper St, Petaluma, CA 94952
Present in a source dataset, with no recent operating signal.
What they make
Ready-Mix Concrete Manufacturing327320Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Selvage Concrete Products, INC | Santa Rosa | Other Concrete Product Manufacturing 327390 | UNVERIFIED | 24.1 KM |
| Cortex Composites INC. | San Rafael | Other Concrete Product Manufacturing 327390 | ACTIVE | 25.3 KM |
| San Rafael Plant | San Rafael | Ready-Mix Concrete Manufacturing 327320 | LIKELY ACTIVE | 31.4 KM |
| Rich Readimix Concrete INC | Greenbrae | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 34.3 KM |
| Farrow Ready Mix | Santa Rosa | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 33.6 KM |
Also at this address
1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.
Where this record comes from
1 source holds this plant, and 7 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.
EPA cross-references this facility in RCRAINFO · EPA site type STATIONARY.
- EPA Facility Registry ServiceEXISTENCERecord 110071138006 · first seen OCT 2021 · last seen OCT 2021
IN SONOMA COUNTY13 other plants share this one’s industry (Cement and Concrete Product Manufacturing, NAICS 3273); 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.
- Name
- EPA: CALMAT COMPANY DBA SHAMROCK MATERIALS · NOV 2026
- Street address
- EPA: 410 HOPPER ST · NOV 2026
- City
- EPA: PETALUMA · NOV 2026
- State
- EPA: CA · NOV 2026
- County (FIPS code)
- EPA: 06097 · NOV 2026
- Coordinates
- EPA: 38.234741,-122.628673 · NOV 2026
- Hazardous waste generator (RCRA)
- EPA ECHO: none · NOV 2026