Spec Built Systems INC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
WWWieber, William C	Chula Vista	All Other Miscellaneous Wood Product Manufacturing 321999	▲ REPORTED CLOSED	0.5 KM
Defense Maritime Solutions, INC.	Chula Vista	Ship Building and Repairing 336611	● ACTIVE	1.8 KM
Miller Marine LLC	San Diego	Custom Roll Forming 332114	● ACTIVE	2.4 KM
Southcoast Welding & Manufacturing, LLC.	Chula Vista	Ship Building and Repairing 336611	● ACTIVE	2.5 KM
Marine Group Boat Works, LLC	Chula Vista	Ship Building and Repairing 336611	● ACTIVE	2.6 KM

Every listed plant in San Diego County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 6 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 EIS · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110038001006 · first seen JUN 2017 · last seen JUN 2017

IN SAN DIEGO COUNTY88 other plants share this one’s industry (Other Fabricated Metal Product Manufacturing, NAICS 3329); 14 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: SPEC BUILT SYSTEMS INC · OCT 2026

Street address

EPA: 650 ARIZONA · OCT 2026

City

EPA: CHULA VISTA · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06073 · OCT 2026

Coordinates

EPA: 32.615009,-117.084893 · OCT 2026