Former Baron-blakeslee Facility, 260 Harbor Blvd, Belmont, Ca

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
SVSilicon Valley Clean Water	Redwood City	Other Basic Inorganic Chemical Manufacturing 325188	◇ UNVERIFIED	4.2 KM
Applied Biosystems, LLC	Foster City	All Other Basic Organic Chemical Manufacturing 325199	◇ UNVERIFIED	5.4 KM
PCPeninsula Chemical Company	San Mateo	Other Basic Inorganic Chemical Manufacturing 325180	◇ UNVERIFIED	4.8 KM
SESeaport Environmental - Refining	Redwood City	Petrochemical Manufacturing 325110	◐ LIKELY ACTIVE	5.4 KM
Baychem, INC	Menlo Park	Other Basic Inorganic Chemical Manufacturing 325180	● ACTIVE	8.5 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 110070119087 · first seen OCT 2017 · last seen OCT 2017

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: FORMER BARON-BLAKESLEE FACILITY, 260 HARBOR BLVD, BELMONT, CA · OCT 2026

Street address

EPA: 260 HARBOR BLVD · OCT 2026

City

EPA: BELMONT · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06081 · OCT 2026

Coordinates

EPA: 37.519711,-122.268873 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026