Mare Island Dry Dock, LLC Layoff — December 2025
SOURCEOFFICIAL FILINGCalifornia Employment Development Department· filed December 30, 2025View the filing ↗
What we know
Location: Nimitz Avenue Vallejo, CA (Solano County).
A WARN notice for this layoff is recorded on December 30, 2025, after the layoff itself — how a late or amended filing reaches the state.
Disclosed through an official WARN filing with the CA state workforce agency.
Summary
Mare Island Dry Dock in Vallejo is closing permanently and will lay off all of its employees. The announcement indicates the facility is ceasing operations, resulting in workforce termination across the company at that location. The article frames the closure as permanent and a complete shutdown of operations at the Vallejo dry dock. No specific number of employees affected or exact layoff date is provided in the article text. Additional context about reasons for the closure or transition plans was not specified in the available information.
Mare Island Dry Dock, LLC disclosed this layoff in an official WARN (Worker Adjustment and Retraining Notification) notice recorded by the CA state workforce agency on December 30, 2025. That record post-dates the layoff itself, which is how a late or amended filing reaches the state. The notice covers 84 employees in Nimitz Avenue Vallejo, CA (Solano County), with the layoff effective December 29, 2025.
LayoffTalk has tracked 3 layoff events at Mare Island Dry Dock, LLC since December 2025, including 84 jobs documented in official WARN filings, with 2 additional events known from news reporting.
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