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Establishment profile

CALIFORNIA ROCK CRUSHER CORPORATION

4202 STAGE GULCH RD, SONOMA, CA, 95476
327992Ground or Treated Mineral and Earth Manufacturing

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OSHA inspections
1
over 20 years
Violations
0
Penalties
$0

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

Inspections
1
0.1 / yr · last 20 yrs
Violations
0
0.0 / yr
Penalties
$0
Trend
STABLE
MEDIUM confidence
Inspection trigger · accident
1 of 1

Peer comparison

0th

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.

Fewer violationsMore violations
Penalty percentile
0th
peer median: $750
Inspection frequency
0th
peer median: 1

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

Industry avg TRIR
2.6
BLS SOII 2024
Industry avg DART
1.8
BLS SOII 2024
Self-reported TRIR
Not in OSHA ITA

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

Accident
1

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

Data refreshed
2026-05-05
First OSHA inspection
Most recent activity
20 years ago

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)

Violations
137
Assessed penalties
$22,313

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

DateTriggerViolationsSeriousPenalty
2006-05-11Accident0$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:

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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.