Calstone Company
13755 Llagas Avenue, San Martin, CA 95046
UNVERIFIEDLAST SEEN IN FEDERAL DATA — · 1 SOURCE
Present in a source dataset, with no recent operating signal.
What they make
Ready-Mix Concrete Manufacturing327320Where it is
37.08684, -121.60773 · CENSUS TIGER
COUNTY
ON GOOGLE MAPS
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| APG - San Martin | San Martin | Concrete Block and Brick Manufacturing 327331 | LIKELY ACTIVE | 0.6 KM |
| Calstone Company | San Martin | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 0.6 KM |
| San Martin-calstone Apg | San Martin | Concrete Block and Brick Manufacturing 327331 | LIKELY ACTIVE | 0.6 KM |
| Sandman INC Doing Business As Star Concrete | Morgan Hill | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 4.9 KM |
| Concrete Designs | Morgan Hill | Other Concrete Product Manufacturing 327390 | UNVERIFIED | 4.9 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 FEDERAL SOURCE, 6 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA FRS | EXISTENCE | AUG 2024 | AUG 2024 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | SEP 2026 |
| CITY | EPA FRS | SEP 2026 |
| COUNTY FIPS | EPA FRS | SEP 2026 |
| GEOM | EPA FRS | SEP 2026 |
| NAME | EPA FRS | SEP 2026 |
| STATE | EPA FRS | SEP 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.