MARIPOSA - YOSEMITE SLATE QUARRY is a dimension stone mining and quarrying employer in MARIPOSA, CA. Federal records show 4 OSHA inspections with 1 violation and $0 in penalties. All data sourced from public federal enforcement records.
Data sourced from OSHA, DOL WHD, MSHA, EPA ECHO, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA, and the UVA Corporate Prosecution Registry. Last updated: May 2, 2026.
MARIPOSA - YOSEMITE SLATE QUARRY
5027 AGUA FRIA RD, MARIPOSA, CA, 95338
212311 — Top companies in Dimension Stone Mining and Quarrying
Industry Benchmark
Data Insights
Inspection Breakdown
Peer Comparison
Need API access, CSV upload, or PDF reports? Upgrade to Paid for $79/mo.
Inspection History
No inspection records found.
Related Searches
The FastDOL Report
Weekly workplace compliance news. Free.
Data aggregated from public federal enforcement and program records (OSHA, WHD, MSHA, EPA, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA) plus the UVA Corporate Prosecution Registry. Employer profiles matched by name and location — matching errors may occur. Risk scores computed by FastDOL, not official government assessments. OSHA citations typically appear 3-8 months after the inspection, so very recent enforcement actions may not yet be reflected. Data provided as-is. Report a data error.
Other employers in Dimension Stone Mining and Quarrying within CA
- AGCON, INC. — ORO GRANDE — 2 federal records
- SYDNEY PEAK STONE INC. — RANDSBURG — 2 federal records
- ROCK STRUCTURES CONSTRUCTION COMPANY — CORONA — 2 federal records
- CLEARLAKE LAVA, INC. — LOWER LAKE — 2 federal records
- SANFORD STONE QUARRY INC — RED MOUNTAIN — 2 federal records
- ROCK STRUCTURES CONSTRUCTION COMPANY — COLTON — 2 federal records
- EAGLE ROCK, INC. — JUNCTION CITY — 2 federal records
- ROCK STRUCTURES CONSTRUCTION COMPANY — LAKE ELSINORE — 2 federal records
- CLEARLAKE LAVA, INC. — CLEARLAKE OAKS — 2 federal records
- MARIPOSA DECCO ROCK — MARIPOSA — 2 federal records
Industry context
Within the dimension stone mining and quarrying industry in CA, MARIPOSA - YOSEMITE SLATE QUARRY ranks in the 54th percentile of OSHA violation frequency across 1,679 comparable establishments.
Inspection frequency ranks in the 64th percentile.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 1.8 for the dimension stone mining and quarrying sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.4.
Activity timeline
Frequently Asked Questions
- What is MARIPOSA - YOSEMITE SLATE QUARRY's OSHA violation history?
- MARIPOSA - YOSEMITE SLATE QUARRY has 4 OSHA inspections on record with 1 violation and $0 in total penalties.
- How does MARIPOSA - YOSEMITE SLATE QUARRY's safety record compare to its industry?
- MARIPOSA - YOSEMITE SLATE QUARRY operates in the dimension stone mining and quarrying industry. The industry average Total Recordable Incident Rate (TRIR) is 1.8.
About this data
This profile aggregates federal enforcement records on MARIPOSA - YOSEMITE SLATE QUARRY of MARIPOSA, CA from 17 federal data sources. Records were found in 3 sources: OSHA workplace safety inspections, MSHA mine safety enforcement, and BLS industry safety benchmarks. The remaining 14 sources were checked and found no matching records: WHD, EPA, NLRB, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement, SEC facts.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 2, 2026.
This profile may be incomplete if MARIPOSA - YOSEMITE SLATE QUARRYoperates under multiple legal names, files under variations our entity-matching rules don't yet cover, or maintains records below current matching thresholds. To report a missing record or correction, email corrections@fastdol.com.