Mining, Quarrying, Oil & Gas · Grass Valley, CA
Hansen Bros Enterprises
According to OSHA enforcement records (2010–2026), Hansen Bros Enterprises has a relatively clean safety record: 1 violations across 9 inspections. See the full breakdown below.
- $0
- OSHA penalties
- 1
- Violations cited
- 9
- OSHA inspections
Hansen Bros Enterprises in Grass Valley, CA has been the subject of 9 OSHA workplace inspections and 1 citations since 2010, according to enforcement records from the U.S. Department of Labor. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.
The record in one line
OSHA has inspected Hansen Bros Enterprises 9 times over 4 years - more than twice a year on average. These inspections resulted in just 1 violation, averaging 0.1 per inspection - fewer than typical. Against the Mining, Quarrying, Oil & Gas industry average of 2 inspections per employer, this runs well above peers (4.2x the sector average) on inspection frequency. For comparison, Dna Ridge Rock in Lower Lake, CA is another mining, quarrying, oil & gas employer with 3 OSHA inspections on record and $0 in current penalties.
- 0.1
- violations per inspection
- 0.0%
- of violations were serious
What the Data Says About Hansen Bros Enterprises
The federal enforcement record for Hansen Bros Enterprises in Grass Valley, CA includes 9 OSHA inspections and 1 violation, translating to 0.11 violations per inspection. Of those violations, 0 (0.0%) were classified as serious, 0 (0.0%) as willful, and 0 (0.0%) as repeat.
No OSHA penalty has been assessed against Hansen Bros Enterprises to date. The Mining, Quarrying, Oil & Gas sector average runs $4,394 per employer.
Inspection activity spans from 2010-05-18 to 2014-07-08, a window of roughly 4 years.
Enforcement detail
OSHA Inspection History
Total Inspections
9
First Inspection
2010-05-18
Last Inspection
2014-07-08
Inspection Span
4 yrs
Violations / Inspection
0.1
Avg Penalty / Inspection
$0
Industry Avg / Inspection
$2,034
What this shows 9 inspections over 4 years, averaging 0.1 violations per visit. That's $0 per inspection vs. the Mining, Quarrying, Oil & Gas average of $2,034.
Enforcement detail
Violation Breakdown
0
Serious
0.0% of total
0
Willful
0.0% of total
0
Repeat
0.0% of total
1
Other-Than-Serious
100.0% of total
What this shows Serious violations involve hazards that could cause death or serious physical harm. Willful violations indicate intentional or knowing disregard of the law. Repeat violations are for hazards previously cited within the past 5 years.
Industry Safety Context: Mining, Quarrying, Oil & Gas
How Hansen Bros Enterprises compares to the Mining, Quarrying, Oil & Gas sector, which has 2,359 employers tracked by PlainWorker.
| Metric | Hansen Bros Enterprises | Industry Avg |
|---|---|---|
| Inspections | 9 | 2.2 |
| Violations | 1 | 3.1 |
| Total Penalty | $0 | $4,394 |
| Avg Penalty per Inspection | $0 | $2,034 |
Nearby & Similar Employers in Mining, Quarrying, Oil & Gas
Compare Hansen Bros Enterprises vs Helmerich & Payne International Drilling Company side-by-side →
Frequently Asked Questions
Is Hansen Bros Enterprises safe to work at? ▼
How many OSHA violations does Hansen Bros Enterprises have? ▼
How many OSHA inspections has Hansen Bros Enterprises had? ▼
What is the total penalty amount for Hansen Bros Enterprises? ▼
What industry does Hansen Bros Enterprises operate in? ▼
How does Hansen Bros Enterprises's safety record compare to industry average? ▼
Explore PlainWorker
What to check next
Hansen Bros Enterprises's record is one establishment in a larger pattern. Use it as a research checklist, not a verdict on the employer overall.
- See how Hansen Bros Enterprises compares to the 2,359 other employers in Mining, Quarrying, Oil & Gas. Mining, Quarrying, Oil & Gas record
- Put this employer head-to-head with another on inspections, penalties, and back wages. Compare employers
- Review the full OSHA & wage-enforcement picture for CA. CA state record
These figures are the federal enforcement record on file and reflect past inspections, not a statement about current workplace conditions. See the disclaimer for how to read them.
Data Sources & Methodology ▼
Data as of 2026. Source: U.S. Department of Labor (OSHA, WHD).
Source: OSHA Enforcement Data
Inspection and violation records from the Occupational Safety and Health Administration (OSHA), U.S. Department of Labor, covering the period 2010–2026. Includes inspection dates, violation types (serious, willful, repeat, other-than-serious), and penalty amounts. Penalties shown are current assessed amounts and may differ from original citations due to settlement, contest, or reduction.
Source: Wage and Hour Division (WHD)
Compliance actions from the WHD, covering enforcement of the Fair Labor Standards Act (FLSA), including minimum wage, overtime, and child labor violations. Back wages represent amounts owed to affected employees as determined by WHD investigations.
Employer Matching
Employers are matched across OSHA and WHD datasets by name, state, and city. Employers included in PlainWorker have 2 or more OSHA inspections or $1,000+ in WHD back wages. Data is updated monthly from data.dol.gov.