Employer · WARN Act history · Health Care & Social Assistance
SEMSA/Riggs Ambulance Service
181 workers across 1 WARN notice, primarily in CA - recorded in the current PlainLayoffs dataset.
- 181
- Workers cut
- 1
- WARN notice
- 1
- State
- 181
- Avg / notice
SEMSA/Riggs Ambulance Service has 1 recorded WARN filing affecting 181 workers
According to WARN Act filings submitted to state workforce agencies, SEMSA/Riggs Ambulance Service has 1 recorded filing covering 181 workers across 1 state, primarily CA, the 1,241st-largest recorded WARN footprint among 7,009 tracked employers. WARN notices cover qualifying reported events, so this record is not a complete count of the employer's workforce changes.
SEMSA/Riggs Ambulance Service is a minor share of Health Care & Social Assistance WARN activity — 0.3% of the sector's 62,393 workers across 517 employers, ranking #76 in Health Care & Social Assistance.
DOL WARN employer filing desk
Employer SEMSA-RIGGS- · SEMSA/Riggs Ambulance Service 181 workers · 1 filings
NOTC-SINGLE · WORK-MID · PHOTO-UNK · RUNWAY-UNK · STAT-SINGLE · BOOK-SINGLE · TYPE-CLOSE
- NOTC-SINGLE 1 filing
- WORK-MID #1,241
- PHOTO-UNK No peer
- RUNWAY-UNK Runway n/a
- STAT-SINGLE CA
- BOOK-SINGLE 1 agency
- TYPE-CLOSE 1 closure
Stamps derive from filed notice_date, effective_date, workers_affected, state agency source, and filing type in this dataset, not a prediction of future layoffs.
Employer Profile
Not all layoffs appear in WARN data, see our methodology for the federal + state coverage thresholds. Latest filing: Oct 2025.
WARN Notice History
2025
Riggs Avenue Merced, CA · Health Care & Social Assistance
Effective: Oct 31, 2025
181
workers
Filed Oct 31, 2025
Four checks on this SEMSA/Riggs Ambulance Service filing
What is the largest SEMSA/Riggs Ambulance Service WARN filing on record? ▼
The largest row is the facility closure filed for Riggs Avenue Merced, CA on Oct 31, 2025, covering 181 workers in Health Care & Social Assistance.
Where were SEMSA/Riggs Ambulance Service's WARN notices filed? ▼
This is a one-event record from California EDD; the named location is Riggs Avenue Merced, not a company-wide headcount change. States represented in this record: CA.
Does SEMSA/Riggs Ambulance Service's filing history show a recurring pattern? ▼
One filing cannot establish a recurring layoff cadence. It records a specific WARN-covered event and should not be read as a forecast of this employer's workforce.
How much advance notice appears in SEMSA/Riggs Ambulance Service's record? ▼
No trustworthy advance-notice runway can be derived from these rows because the source dates are equal, missing, or retroactive.
See also: CA WARN filings · Health Care & Social Assistance industry WARNs · WARN Act guide
Source: State WARN Act layoff registries SEMSA/Riggs Ambulance Service notice history aggregated from state workforce agency filings · September 2026 A WARN filing is a required notice, not a judgment of the employer's management or finances. Coverage follows states with structured public registries; this public-record summary is not legal advice, financial advice, or employment advice.
Every figure on PlainLayoffs is rendered directly from public WARN Act filings and state workforce agency records, no number is typed in by an editor. This employer's notice history is rendered directly from state WARN Act filings. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 2026. A WARN filing is a legally required notice, not a judgment of a company's management or financial health; rankings here reflect filed notice volume only.