Arena Pharmaceuticals

• Layoff notice effective AUG 31, 2016 · 100 employees · filed JUN 30, 2016 · Layoff Permanent — recorded; a layoff does not change the status

Notices filed with the state under the federal WARN Act, as the state publishes them, collected by the WARN Act notices feed (CC BY 4.0). A notice records what the employer told the state; it is not by itself proof that the plant closed.

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
DEDeepwater Exploration INC.	San Diego	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	● ACTIVE	0.5 KM
Strategic Robotic Systems, INC.	San Diego	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	● ACTIVE	0.6 KM
Innoflight, LLC	San Diego	Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220	● ACTIVE	0.7 KM
Genlantis Diagnostics, INC	San Diego	In-Vitro Diagnostic Substance Manufacturing 325413	● ACTIVE	1.2 KM
ADAccriva Diagnostics	San Diego	Electromedical and Electrotherapeutic Apparatus Manufacturing 334510	● ACTIVE	1.4 KM

Every listed plant in San Diego County

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

2 sources hold 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 110070514119 · first seen FEB 2019 · last seen FEB 2019
• State WARN plant-closing and layoff noticesEXISTENCE
  first seen AUG 2016 · last seen AUG 2016

IN SAN DIEGO COUNTY262 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 60 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: ARENA PHARMACEUTICALS · OCT 2026

Street address

EPA: 6118 NANCY RIDGE DR · OCT 2026

City

EPA: SAN DIEGO · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06073 · OCT 2026

Coordinates

EPA: 32.890671,-117.187767 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026