Costco Wholesale Corporation
RIVERBANK, California · NAICS 452311 · ~226000 employees on site
- 26 workplace accidents reported
- Repeat violation on record
- 2 Serious-or-worse violations
Safety record at a glance
Costco Wholesale Corporation is a California-based employer with 63 OSHA inspections on file (covering 2015-2026). Across those inspections, OSHA cited 100 violations — of which 2 were Serious, Willful, or Repeat, with a total of $241,795 in federal penalties assessed. 26 workplace accidents were reported in connection with these inspections.
Inspection & violation trend
Year-by-year activity, citations issued, and reported workplace incidents.
Hover any year for detail. Counts reflect inspections, citations, and accidents on file at OSHA — final dispositions and amounts may change after appeals or settlement.
Research Costco Wholesale Corporation
All OSHA inspections at Costco Wholesale Corporation
52 inspections with citations, 11 closed clean or still open. Click any inspection for the full citation list.
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How to read this record
An OSHA inspection record describes federal enforcement activity — it does not capture every workplace safety event at a company. A few caveats:
OSHA Violations Tracker indexes inspections opened on or after 2021-01-01. Older history is at OSHA’s establishment search.
OSHA records are keyed by physical establishment, not parent company. A large employer may operate many sites across states.
Many inspections close with no violations — that’s a positive signal, not a missing data row.
Final amounts may differ after informal conferences or settlement. We show what OSHA has on file today.
Full methodology, scoring details, and known limitations: /methodology.
Frequently asked questions about Costco Wholesale Corporation
Costco Wholesale Corporation earned a D safety grade (63/100) — below average. The grade reflects severity of past citations, accident history, and how recent the most-recent inspection is. See the methodology for the full scoring algorithm.
Cross-check with OSHA directly
All data on this page comes from the U.S. Department of Labor Open Data Portal, which publishes the OSHA Integrated Management Information System (IMIS). For the authoritative record, search OSHA directly:
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