COMPANY DOSSIER
James Hardie Fontana Manufacturing Layoffs
Yes. James Hardie Fontana Manufacturing filed a WARN notice to cut 94 jobs in Fontana, California, with the layoffs effective Mar 16, 2026. It was filed Jan 15, 2026 under the federal WARN Act.
94 roles affected across 1 filing.
Canary status: SingingEVIDENCE-BASED · NOT A PREDICTION
No WARN filing or SEC event in the recent window — quiet on the wire right now.
CanaryWhistle's own assessment, computed from the public filings listed on this page. It is a read of hiring and workforce activity, not a statement about James Hardie Fontana Manufacturing's solvency or creditworthiness. Not a credit rating and not financial advice. See our sources and method.
Skilled TradesWarehouse Ops
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Fontana, California
Filed Jan 15, 2026 (6mo ago) · Effective Mar 16, 2026 · official filing →
94
ClosureQuestions
Is James Hardie Fontana Manufacturing laying off employees?
Yes. James Hardie Fontana Manufacturing filed a WARN notice to cut 94 jobs in Fontana, California, with the layoffs effective Mar 16, 2026. It was filed Jan 15, 2026 under the federal WARN Act.
How many jobs is James Hardie Fontana Manufacturing cutting?
94 jobs, across 1 official WARN filing.
When do the James Hardie Fontana Manufacturing layoffs take effect?
The filing lists an effective date of Mar 16, 2026. The WARN Act requires roughly 60 days' advance notice, so the filing date precedes the job losses.
Watching James Hardie Fontana Manufacturing?
We'll email you if there are further filings, expansions, or new locations affected.