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Mare Island Dry Dock LLC

1180 Nimitz Ave, Bldg 1326, Vallejo, CA 94592

REPORTED CLOSEDLAST SEEN IN FEDERAL DATA OCT 2026 · 7 SOURCES

A closure has been reported but not corroborated.

WARN ACT NOTICE FILED WITH THE STATE
  • Plant closing notice effective DEC 29, 2025 · 84 employees · filed DEC 30, 2025 · Closure Permanent — this notice is why the plant is listed as reported closed

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.

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Homepage of Mare Island Dry Dock LLC
Their homepage, crawled JUL 2026

What they make

Ship Building and Repairing336611
  • maritime industry
  • ship repair

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Products

Sold by MARE ISLAND DRY DOCK LLC · 2
Fishing Vessels · Transport Vessels, Passenger And Troop

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from
2 from usaspending_psc · Federal registry
Supplied under federal award 1305M224C0031 (2024-10-15), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Where it is

38.09553, -122.26671 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Lind Marine LLCVallejoShip Building and Repairing
336611
ACTIVE0.0 KM
Moose Boats, LLCVallejoBoat Building
336612
ACTIVE0.0 KM
Lind Marine Mare Island YardVallejoShip Building and Repairing
336611
LIKELY ACTIVE0.5 KM
Walashek Industrial and Marine, INC.BeniciaShip Building and Repairing
336611
ACTIVE13.1 KM
Bay Marine Boatworks, INC.RichmondShip Building and Repairing
336611
ACTIVE21.1 KM

Every listed plant in Solano County

Also at this address

No other federal record shares this street address.

Where this record comes from

7 sources hold this plant, and 12 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 CA-ENVIROVIEW, EIS · EPA site type STATIONARY.

  • The company’s own websiteOPERATING
    first seen JUL 2026 · last seen OCT 2026
  • SAM.gov entity registrationOPERATING
    Record GJG2NRS9L5W7 · first seen NOV 2025 · last seen SEP 2026
  • OSHA injury and illness reportsOPERATING
    Record 652772 · first seen DEC 2025 · last seen DEC 2025
  • State WARN plant-closing and layoff noticesCLOSURE
    first seen DEC 2025 · last seen DEC 2025
  • DOL Form 5500 retirement plan filingsOPERATING
    Record 460907554|CA|94592|1180 nimitz ave · first seen NOV 2025 · last seen NOV 2025
  • EPA Facility Registry ServiceEXISTENCE
    Records 110065564865, 110071755408 · first seen OCT 2015 · last seen AUG 2024
  • SBA Paycheck Protection Program loan recordsEXISTENCE
    Record CA|vallejo|1180 nimitz ave · first seen APR 2020 · last seen APR 2020

IN SOLANO COUNTY9 other plants share this one’s industry (Ship and Boat Building, NAICS 3366); 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: MARE ISLAND DRY DOCK LLC · JUL 2026 · ON THIS PAGE
SAM.gov: MARE ISLAND DRY DOCK LLC · SEP 2026 · ON THIS PAGE
Street addressSOURCES DISAGREE
EPA: 1180 NIMITZ AVENUE · JUL 2026
SAM.gov: 1180 NIMITZ AVE · SEP 2026 · ON THIS PAGE
City
EPA: VALLEJO · JUL 2026 · ON THIS PAGE
SAM.gov: VALLEJO · SEP 2026 · ON THIS PAGE
State
EPA: CA · JUL 2026 · ON THIS PAGE
SAM.gov: CA · SEP 2026 · ON THIS PAGE
County (FIPS code)
EPA: 06095 · SEP 2026
CoordinatesSOURCES DISAGREE
Census geocoder: 38.095370630765,-122.26646449633 · SEP 2026
EPA: 38.095527,-122.26671 · JUL 2026 · ON THIS PAGE
Employees (band)
OSHA: 100-499 · DEC 2025
Website
SAM.gov: www.MareIslandDryDock.com · SEP 2026
CAGE code
SAM.gov: 70R86 · SEP 2026
Retirement plan filing (Form 5500)
DOL: 88 active participants, plan year ending 2025-11-30, 2 plan(s) · NOV 2025
PPP loan
SBA PPP: PPP loan x1, approved 2020-04-27, 98 jobs reported · APR 2020
SAM registration expires
SAM.gov: 2027-08-26 · SEP 2026

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