Establishment profile
MARIPOSA FLAGSTONE COMPANY
5027 AGUA FRIA ROAD, MARIPOSA, CA, 95338
212311 — Dimension Stone Mining and Quarrying
Summary
MARIPOSA FLAGSTONE COMPANY has accumulated 4 OSHA violations across 9 inspections over 35 years of recorded history, with $250 in total assessed penalties.
The establishment sits in the 67th percentile for violations within its industry-state peer group of 1,687 employers. Inspection frequency runs at the 85th percentile. The most recent enforcement activity was recorded 15 years ago.
Federal records were found in 2 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
MARIPOSA FLAGSTONE COMPANY 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, OFLC visa and labor certification (historical), FMCSA motor carrier registration, SAM.gov federal debarment, CMS nursing home enforcement, UVA Corporate Prosecution Registry, CPSC product recalls, or NHTSA vehicle recalls.
OSHA workplace safety
44% of inspections at this establishment produced violations,
Most-cited OSHA standards
Top OSHA standards cited at this employer, ranked by citation count. Standards (CFR sections) cluster citations into safety themes -- machine guarding, lockout-tagout, hazard communication, fall protection, process safety, etc. A concentration on one or two sections reveals a pattern that individual citations don’t. 4 distinct standards shown · 4 citations in this view · $250 in penalties.
| CFR section | Citations | Inspections | Total penalty | First cited | Last cited |
|---|---|---|---|---|---|
| 29 CFR 2340.0001 | 1 | 1 | $250 | Dec 1997 | Dec 1997 |
| 3395 D | 1 | 1 | — | Sep 2007 | Sep 2007 |
| 3578 G | 1 | 1 | — | Aug 2002 | Aug 2002 |
| 4650 E | 1 | 1 | — | Jun 1991 | Jun 1991 |
Source: OSHA inspection citations (violation_detail). CFR section codes can be looked up at osha.gov/laws-regs for the formal standard text. Per-inspection detail and the specific violation descriptions are available by expanding individual inspections below.
Peer comparison
Above average violations in NAICS 2123 within CA. Peer group: 1,687 employers. This establishment has 4 OSHA violations; peer median is 2.
Safety self-report (OSHA 300A)
No self-reported injury rates filed with OSHA's Injury Tracking Application for MARIPOSA FLAGSTONE COMPANY. 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 MARIPOSA FLAGSTONE COMPANY. Verify directly with Occupational Safety and Health Administration →
Activity timeline
No federal enforcement activity has been recorded against this establishment in 15+ years. Most recent activity: 15 years ago. Data on this page is refreshed weekly.
Wage & Hour Division (WHD)
No WHD wage, overtime, or child-labor enforcement cases on file for MARIPOSA FLAGSTONE COMPANY. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
Company-level in CA — for MARIPOSA FLAGSTONE COMPANY, not this location alone
Mine Safety & Health Administration — citations issued at mining operations. MSHA records cases at the company/regional level (no worksite address), so these are matched by company name and state and may span other MARIPOSA FLAGSTONE COMPANY operations in the same state.
MSHA citations
Mine Safety and Health Administration citations. S&S (significant and substantial) marks violations that could reasonably contribute to a serious injury. Negligence rating is MSHA’s operator-culpability assessment (none, low, moderate, high, or reckless disregard). Proposed = assessed at issuance; Paid = post-settlement / appeal. 9 citations · 3S&S · 9 contractor · $826 proposed / $803 paid.
| Citation | Mine | Date | Section | S&S | Negligence | Proposed | Paid |
|---|---|---|---|---|---|---|---|
| 7996312 | Yosemite Slate Quarry Mariposa, CA contractor: Mariposa Flagstone Company | Feb 2001 | — | Yes | ModNegligence | $113 | $113 |
| 6443454 | Yosemite Slate Quarry Mariposa, CA contractor: Mariposa Flagstone Company | Mar 2009 | — | No | LowNegligence | $100 | $100 |
| 6353889 | Yosemite Slate Quarry Mariposa, CA contractor: Mariposa Flagstone Company | Aug 2007 | — | No | ModNegligence | $100 | $100 |
| 6353888 | Yosemite Slate Quarry Mariposa, CA contractor: Mariposa Flagstone Company | Aug 2007 | — | No | ModNegligence | $100 | $100 |
| 6353887 | Yosemite Slate Quarry Mariposa, CA contractor: Mariposa Flagstone Company | Aug 2007 | — | No | ModNegligence | $100 | $100 |
| 6366359 | Yosemite Slate Quarry Mariposa, CA contractor: Mariposa Flagstone Company | Mar 2005 | — | Yes | ModNegligence | $99 | $88 |
| 6366358 | Yosemite Slate Quarry Mariposa, CA contractor: Mariposa Flagstone Company | Mar 2005 | — | Yes | ModNegligence | $99 | $88 |
| 6387885 | Yosemite Slate Quarry Mariposa, CA contractor: Mariposa Flagstone Company | Feb 2007 | — | No | LowNegligence | $60 | $60 |
| 7996313 | Yosemite Slate Quarry Mariposa, CA contractor: Mariposa Flagstone Company | Feb 2001 | — | No | ModNegligence | $55 | $55 |
Source: MSHA citation database. “Contractor” annotations indicate the cited party was on-site at the mine but not the mine’s operator -- responsibility attaches to the contractor LLC, not the mine’s owner. Section codes reference 30 CFR (the Mine Safety and Health regulations).
Labor relations (NLRB)
No NLRB unfair labor practice charges or union representation cases on file for MARIPOSA FLAGSTONE COMPANY. Verify directly with National Labor Relations Board →
Visa & labor certification (OFLC) — historical
No H-1B, H-2A, or H-2B labor condition applications on file (historical data only — DOL ended OFLC publication) for MARIPOSA FLAGSTONE COMPANY. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for MARIPOSA FLAGSTONE COMPANY. Verify directly with Environmental Protection Agency →
Federal criminal prosecution record
No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for MARIPOSA FLAGSTONE COMPANY. Verify directly with UVA Corporate Prosecution Registry →
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2010-10-05 | Planned | 0 | — | $0 | |
| 2009-07-29 | Planned | 0 | — | $0 | |
| 2007-09-07 | Planned | 1 | — | $0 | |
| 2006-07-06 | Planned | 0 | — | $0 | |
| 2002-08-22 | Planned | 1 | — | $0 | |
| 1997-08-28 | Planned | 1 | 1 | $250 | |
| 1995-08-25 | Planned | 0 | — | $0 | |
| 1992-07-16 | Planned | 0 | — | $0 | |
| 1991-06-18 | Planned | 1 | — | $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 dimension stone mining and quarrying within CA, ordered by federal enforcement volume:
- GRANITE ROCK COMPANYAROMAS — 3 federal enforcement records
- ROCK STRUCTURES CONSTRUCTION COMPANYCORONA — 2 federal enforcement records
- ROCK STRUCTURES CONSTRUCTION COMPANYLAKE ELSINORE — 2 federal enforcement records
- NATIONAL QUARRIESSAN MARCOS — 2 federal enforcement records
- MARIPOSA - YOSEMITE SLATE QUARRYMARIPOSA — 2 federal enforcement records
- WYROC INCAPPLE VALLEY — 2 federal enforcement records
- SANFORD STONE QUARRY INCRED MOUNTAIN — 2 federal enforcement records
- CLEARLAKE LAVA, INC.CLEARLAKE OAKS — 2 federal enforcement records
- EAGLE ROCK, INC.JUNCTION CITY — 2 federal enforcement records
- CLEARLAKE LAVA, INC.LOWER LAKE — 2 federal enforcement records
Related searches
- Dimension Stone Mining and QuarryingAll employers in this industry
- Employers in CAState-wide enforcement data
- Dimension Stone Mining in CAIndustry × state cross-filter
About this data
This profile aggregates federal enforcement records on MARIPOSA FLAGSTONE COMPANY from every major federal compliance and enforcement source 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, CMS nursing-home records, BLS industry safety benchmarks, OSHA ITA self-reported injury rates, SEC enforcement and financial disclosures, 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.
Need API access, bulk download, or licensed redistribution? The website is free. Programmatic and licensed access is handled separately.
Contact sales →Frequently asked
- What is MARIPOSA FLAGSTONE COMPANY's OSHA violation history?
- MARIPOSA FLAGSTONE COMPANY has 9 OSHA inspections on record with 4 violations and $250 in total penalties.
- How does MARIPOSA FLAGSTONE COMPANY's safety record compare to its industry?
- MARIPOSA FLAGSTONE COMPANY operates in the dimension stone mining and quarrying industry. The industry average Total Recordable Incident Rate (TRIR) is 1.8.