Air Force Plant 42

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
BCBoeing Company - Rss Division	Palmdale	Aircraft Manufacturing 336411	◐ LIKELY ACTIVE	0.8 KM
UPUsaf Plant 42 Site 4	Palmdale	Aircraft Manufacturing 336411	◐ LIKELY ACTIVE	2.4 KM
NGNorthrop Grumman Air Force Plant 42 Site 8	Palmdale	Aircraft Manufacturing 336411	◇ UNVERIFIED	3.0 KM
Morton Grinding, INC	Lancaster	Aircraft Engine and Engine Parts Manufacturing 336412	● ACTIVE	3.5 KM
Lockheed Martin Corporation	Palmdale	Aircraft Manufacturing 336411	● ACTIVE	3.8 KM

Every listed plant in Los Angeles County

Also at this address

No other federal record shares this street address.

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 HWTS-DATAMART, RCRAINFO · EPA site type STATIONARY.

• EPA ECHO compliance recordsOPERATING
  first seen MAY 2025 · last seen MAY 2025
• EPA Facility Registry ServiceEXISTENCE
  Record 110006488327 · first seen DEC 2015 · last seen DEC 2015

IN LOS ANGELES COUNTY523 other plants share this one’s industry (Aerospace Product and Parts Manufacturing, NAICS 3364); 126 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: AIR FORCE PLANT 42 · OCT 2026

Street address

EPA: 20TH STREET EAST AND AVENUE M · OCT 2026

City

EPA: PALMDALE · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06037 · OCT 2026

Coordinates

EPA: 34.645945,-118.09438 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: LQG · OCT 2026