E R Porter Marble Products CO
1321 So Railroad Ave, San Mateo, CA 94402
UNVERIFIED1 SOURCELAST SIGNAL —
Present in a source dataset, with no recent operating signal.
Location
ADDRESS
1321 So Railroad Ave
San Mateo, CA 94402
San Mateo, CA 94402
COORDINATES
37.55789, -122.31304
COUNTY
METRO AREA
Industry
PRIMARY NAICS
EMPLOYMENT
Not reported
Sources
| SOURCE | EVIDENCE | FIRST SEEN | LAST SEEN |
|---|---|---|---|
| EPA FRS | EXISTENCE | JUN 2017 | JUN 2017 |
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
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