Facility	City	Industry	Status	Distance
Baychem, INC	Menlo Park	Other Basic Inorganic Chemical Manufacturing 325180	ACTIVE	1.6 KM
Seaport Environmental- Refining	Redwood City	Petrochemical Manufacturing 325110	LIKELY ACTIVE	3.5 KM
C S Bio CO	Menlo Park	All Other Basic Organic Chemical Manufacturing 325199	ACTIVE	5.4 KM
Silicon Valley Clean Water	Redwood City	Other Basic Inorganic Chemical Manufacturing 325188	UNVERIFIED	7.5 KM
Applied Biosystems, LLC	Foster City	All Other Basic Organic Chemical Manufacturing 325199	UNVERIFIED	11.4 KM

Every listed plant in San Mateo County

Also at this address

No other federal record shares this street address.

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 ServiceEXISTENCE
Record 110070658165 · first seen NOV 2019 · last seen NOV 2019

IN SAN MATEO COUNTY23 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 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: GARY HOSS · NOV 2026
Street address: EPA: 426 HURLINGAME AVE · NOV 2026
City: EPA: REDWOOD CITY · NOV 2026
State: EPA: CA · NOV 2026
County (FIPS code): EPA: 06081 · NOV 2026
Coordinates: EPA: 37.477495,-122.21097 · NOV 2026
Hazardous waste generator (RCRA): EPA ECHO: none · NOV 2026

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