US WARN layoff notices › Employers › H › Howmet Aerospace
Official state WARN filings by Howmet Aerospace since 1988, normalized from state labor department sources. Latest notice: 2021-04-14.
Filed under 2 spellings in state records, merged on this page: Howmet Aerospace La Porte.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2021-04-14 | California | Rancho Cucamonga, San Bernardino County | 9 | 2021-04-09 | Layoff Permanent |
| 2021-01-11 | California | Rancho Cucamonga, San Bernardino County | 27 | 2020-12-04 | Layoff Type Unknown |
| 2020-11-10 | California | Rancho Cucamonga, San Bernardino County | 66 | 2020-10-05 | Layoff Temporary |
| 2020-09-20 | California | Rancho Cucamonga, San Bernardino County | 36 | 2020-06-11 | Layoff Permanent |
| 2020-09-20 | California | Fontana, San Bernardino County | 4 | 2020-06-11 | Layoff Permanent |
| 2020-09-20 | California | Fontana, San Bernardino County | 62 | 2020-06-11 | Layoff Permanent |
| 2020-09-15 | Indiana | La Porte | 150 | 2020-11-09 | LO |
| 2020-07-27 | California | Fontana, San Bernardino County | 152 | 2020-07-29 | Layoff Temporary |
| 2020-07-23 | California | Fontana, San Bernardino County | 13 | 2020-07-17 | Layoff Permanent |
| 2020-07-23 | California | Rancho Cucamonga, San Bernardino County | 239 | 2020-07-13 | Layoff Temporary |
| 2020-06-30 | California | Fontana, San Bernardino County | 75 | 2020-07-06 | Layoff Temporary |
| 2020-06-03 | Michigan | Whitehall | 625 | — | Mass Layoff |
| 2020-05-11 | California | Fontana, San Bernardino County | 11 | 2020-04-10 | Layoff Permanent |
| 2020-05-11 | California | Fontana, San Bernardino County | 10 | 2020-04-27 | Layoff Temporary |
| 2020-05-09 | California | Rancho Cucamonga, San Bernardino County | 124 | 2020-04-27 | Layoff Temporary |
| 2020-05-04 | California | Fontana, San Bernardino County | 178 | 2020-04-27 | Layoff Temporary |
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 Howmet Aerospace 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 Howmet Aerospace 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.