1of1 Custom LLC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
DFDiamond Foundry LLC	South San Francisco	All Other Miscellaneous Nonmetallic Mineral Product Manufacturing 327999	◐ LIKELY ACTIVE	5.8 KM
MCMarble City Company	san Carlos, CA	Cut Stone and Stone Product Manufacturing 327991	◐ LIKELY ACTIVE	14.5 KM
WFWells Fargo	Alameda	All Other Miscellaneous Nonmetallic Mineral Product Manufacturing 327999	◇ UNVERIFIED	21.5 KM
Rs Hughes CO INC	San Leandro	Hardware Manufacturing 332510	● ACTIVE	22.5 KM
FNFlorence & New Italian Art Company	Hayward	Pottery, Ceramics, and Plumbing Fixture Manufacturing 327110	◇ UNVERIFIED	25.5 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 110070632183 · first seen NOV 2019 · last seen NOV 2019

IN SAN MATEO COUNTY11 other plants share this one’s industry (Other Nonmetallic Mineral Product Manufacturing, NAICS 3279); 2 of them have 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: 1OF1 CUSTOM LLC · OCT 2026

Street address

EPA: 130 EL CAMINO REAL · OCT 2026

City

EPA: MILLBRAE · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06081 · OCT 2026

Coordinates

EPA: 37.599399,-122.388161 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026