Establishment profile
CALIFORNIA ROCK CRUSHER CORPORATION
4202 STAGE GULCH RD, SONOMA, CA, 95476
327992 — Ground or Treated Mineral and Earth Manufacturing
Summary
CALIFORNIA ROCK CRUSHER CORPORATION has accumulated 0 OSHA violations across 1 inspection over 20 years of recorded history.
The most recent federal enforcement activity was recorded 20 years ago.
Federal records were found in 1 of 16 sources. Sources without matching records returned empty for this establishment.
Agency coverage
CALIFORNIA ROCK CRUSHER CORPORATION appears in OSHA workplace safety and MSHA mine safety records only. No matching records were found in WHD wage enforcement, EPA environmental compliance, NLRB labor relations, OFCCP federal contractor compliance, OFLC visa and labor certification, FMCSA motor carrier registration, SAM.gov federal debarment, USAspending federal contracts, CMS nursing home enforcement, UVA Corporate Prosecution Registry, CPSC product recalls, or NHTSA vehicle recalls as of 2026-05-05.
OSHA workplace safety
Peer comparison
Fewer violations than most other employers in NAICS 3279 within CA. Peer group: 503 employers. This establishment has 0 OSHA violations; peer median is 2.
Safety self-report (OSHA 300A)
No self-reported injury rates filed with OSHA's Injury Tracking Application for CALIFORNIA ROCK CRUSHER CORPORATION as of 2026-05-05. Verify directly with OSHA Injury Tracking Application →
Industry benchmark
BLS rates reflect industry-wide averages. Self-reported figures come from OSHA’s Injury Tracking Application; absence of self-reported data does not necessarily indicate non-compliance — many establishments fall below the ITA reporting threshold.
Inspection breakdown
Complaint- and accident-triggered inspections are stronger risk signals than routine planned inspections.
OSHA severe injury reports
No severe injury reports (hospitalization, amputation, or loss of an eye) on file under 29 CFR 1904.39 for CALIFORNIA ROCK CRUSHER CORPORATION as of 2026-05-05. Verify directly with Occupational Safety and Health Administration →
Activity timeline
No federal enforcement activity has been recorded against this establishment in 20+ years. Most recent activity: 20 years ago. Data on this page was last refreshed on 2026-05-05.
Wage & Hour Division (WHD)
No WHD wage, overtime, or child-labor enforcement cases on file for CALIFORNIA ROCK CRUSHER CORPORATION as of 2026-05-05. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
Mine Safety & Health Administration — citations issued at mining operations.
Labor relations (NLRB)
No NLRB unfair labor practice charges or union representation cases on file for CALIFORNIA ROCK CRUSHER CORPORATION as of 2026-05-05. Verify directly with National Labor Relations Board →
Visa & labor certification (OFLC)
No H-1B, H-2A, or H-2B labor condition applications on file for CALIFORNIA ROCK CRUSHER CORPORATION as of 2026-05-05. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for CALIFORNIA ROCK CRUSHER CORPORATION as of 2026-05-05. Verify directly with Environmental Protection Agency →
Federal contracts (5-year)
No federal contract awards on file in the past 5 years for CALIFORNIA ROCK CRUSHER CORPORATION as of 2026-05-05. Verify directly with USAspending.gov →
Federal criminal prosecution record
No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for CALIFORNIA ROCK CRUSHER CORPORATION as of 2026-05-05. Verify directly with UVA Corporate Prosecution Registry →
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2006-05-11 | Accident | 0 | — | $0 |
Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.
In the news
Other employers in this industry and state
Other employers in ground or treated mineral and earth manufacturing within CA, ordered by federal enforcement volume:
- CALMAT COCAMPBELL — 2 federal enforcement records
- IMERYS PERLITE USA INCESCONDIDO — 1 federal enforcement record
- NORCAL PERLITE, INC.RICHMOND — 1 federal enforcement record
- RPLANET EARTHVERNON — 1 federal enforcement record
- CARONE & COMPANY, INC.MARTINEZ — 1 federal enforcement record
- SGL TECHNIC INC, POLYCARBON DIVISIONVALENCIA — 0 federal enforcement records
Related searches
- Ground or Treated Mineral and Earth ManufacturingAll employers in this industry
- Employers in CAState-wide enforcement data
- Ground or Treated in CAIndustry × state cross-filter
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Contact sales →About this data
This profile aggregates federal enforcement records on CALIFORNIA ROCK CRUSHER CORPORATION from 16 federal data sources plus the UVA Corporate Prosecution Registry. OSHA workplace safety inspections, WHD wage cases, MSHA mine safety, EPA environmental enforcement, NLRB labor relations, OFLC visa/labor certification, FMCSA motor carrier registration, SAM.gov debarments, USAspending federal contracts, CMS nursing-home records, BLS industry safety benchmarks, OSHA ITA self-reported injury rates, CPSC and NHTSA recalls.
Establishments are matched across agencies using normalized employer name, state, and ZIP code.
OSHA citations typically appear 3–8 months after the inspection, so very recent enforcement actions may not yet be reflected. Profiles may be incomplete if the establishment operates under multiple legal names or files under variations our entity-matching rules don’t yet cover. To report a missing record or correction, email corrections@fastdol.com.
Frequently asked
- What is CALIFORNIA ROCK CRUSHER CORPORATION's OSHA violation history?
- CALIFORNIA ROCK CRUSHER CORPORATION has 1 OSHA inspection on record with 0 violations and $0 in total penalties.
- How does CALIFORNIA ROCK CRUSHER CORPORATION's safety record compare to its industry?
- CALIFORNIA ROCK CRUSHER CORPORATION operates in the ground or treated mineral and earth manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 2.6.