US WARN layoff notices › Employers › M › Mastec North America
Official state WARN filings by Mastec North America since 1988, normalized from state labor department sources. Latest notice: 2017-04-07.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2017-04-07 | California | Hayward | 109 | 2017-06-05 | Closure Permanent |
| 2017-03-02 | California | Santa Clarita | 13 | 2017-05-02 | Layoff Permanent |
| 2017-03-02 | California | Anaheim | 61 | 2017-05-02 | Layoff Permanent |
Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, no delay, notices 1988+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.
One click opens the free checker with Mastec North America already in the list; add the rest of your accounts and it matches them in your browser — no account, no email, nothing sent anywhere. WARN Watch is the paid version that re-checks your list on every daily refresh for you and posts new matches to a private alert page, an RSS feed and a Slack or Teams webhook.
Check Mastec North America now — free, no signupHave it watched for you — free for 30 daysThe trial needs no card. After it, WARN Watch is $49 for a year — one payment, no auto-renew, 14-day refund. The notice data on this page stays free either way.