Construction · Dearborn, MI

J & a Mason CO.

According to OSHA enforcement records (2010–2026), J & a Mason CO. ranks #82,453 of 99,447 penalized U.S. employers by total current penalty, with a concerning safety record: 9 violations across 2 inspections.

Lower half by penalty33% serious
$1,400
OSHA penalties
9
Violations cited
2
OSHA inspections
#82,453
of 99,447 penalized employers

J & a Mason CO. in Dearborn, MI has been the subject of 2 OSHA workplace inspections and 9 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $1,400. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected J & a Mason CO. 2 times over 1 year - more than twice a year on average. These inspections resulted in 9 violations, averaging 4.5 per inspection, above what's typical for a single visit. According to OSHA enforcement records, its total current penalty ranks #82,453 of 99,447 penalized U.S. employers (the lower half of penalized employers nationally). Of these, 3 were classified as serious - indicating hazards that could cause death or serious harm. Against the Construction industry average of 2 inspections per employer, this sits roughly in line with peers (1.0x the sector average) on inspection frequency. For comparison, Big J Plumbing in San Antonio, TX is another construction employer with 0 OSHA inspections on record and $0 in current penalties.

4.5
violations per inspection
33.3%
of violations were serious
#82,453
of 99,447 penalized employers

Compliance score

F 25/100
  • F OSHA safety compliance: 9 violations across 2 OSHA inspections (4.5 per inspection), vs. national p10 0.0 (best) / p90 5.5 (worst) among 145,626 inspected employers.

Channels are separate federal datasets: a dimension marked not applicable simply has no record in that dataset for this employer, not a good or bad score.

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How J & a Mason CO. compares on OSHA penalties

Total current penalty vs the Construction per-employer average

in penalties

What this shows J & a Mason CO. runs well below peers (0.21x the sector average) in total OSHA penalties.

Source U.S. Department of Labor, OSHA enforcement extracts As of 2026

Where this penalty ranks nationally

Total current OSHA penalty vs every U.S. employer with a nonzero penalty

$1,400 Top 17% most affordable more affordable than 83% of 99,447 U.S. employers with a penalty

$0–$5,000: 43,959 U.S. employers with a penalty (44%). This entry sits in this band. $5,000–$10,000: 20,304 U.S. employers with a penalty (20%). Above this entry. $10,000–$15,000: 11,027 U.S. employers with a penalty (11%). Above this entry. $15,000–$20,000: 6,546 U.S. employers with a penalty (7%). Above this entry. $20,000–$25,000: 4,175 U.S. employers with a penalty (4%). Above this entry. $25,000–$30,000: 2,877 U.S. employers with a penalty (3%). Above this entry. $30,000–$35,000: 2,036 U.S. employers with a penalty (2%). Above this entry. $35,000–$40,000: 1,493 U.S. employers with a penalty (2%). Above this entry. $40,000–$45,000: 1,095 U.S. employers with a penalty (1%). Above this entry. $45,000–$50,000: 785 U.S. employers with a penalty (1%). Above this entry. $50,000–$55,000: 5,150 U.S. employers with a penalty (5%). Above this entry. This employer $0 $55,000 every penalized U.S. employer, bucketed by value

Each bar is a $5K-wide band; taller bars hold more U.S. employers with a penalty. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Department of Labor, OSHA enforcement extracts · 2026

Does more inspection scrutiny mean more findings?

Each dot is one of 21 Construction employers with an OSHA inspection on record, placed by inspections and violations cited. The highlighted dot is J & a Mason CO..

Frequently inspected, many findingsRarely inspected, many findingsFrequently inspected, clean recordBelow median on both1.92.022.02.01.06.311.516.721.9OSHA inspectionsViolations citedTHE LANDTEK GROUP, I…, OSHA inspections: 2 · Violations cited: 13UNITED BUILDERS GROU…, OSHA inspections: 2 · Violations cited: 12STEVENS ENGINEERS & …, OSHA inspections: 2 · Violations cited: 14YAROVYY INC., OSHA inspections: 2 · Violations cited: 11CHICAGO STUCCO CO., OSHA inspections: 2 · Violations cited: 6FAZZONE CONSTRUCTION…, OSHA inspections: 2 · Violations cited: 21UNITED DEMOLITION, E…, OSHA inspections: 2 · Violations cited: 19SCOTT LANGENHORST DB…, OSHA inspections: 2 · Violations cited: 17BLUE CONTRACTOR CORP., OSHA inspections: 2 · Violations cited: 2SCHULTZ INDUSTRIAL S…, OSHA inspections: 2 · Violations cited: 3BAYPORT CONSTRUCTIO…, OSHA inspections: 2 · Violations cited: 12COLTS NECK TOWNSHIP …, OSHA inspections: 2 · Violations cited: 10ROEL CASTRO, OSHA inspections: 2 · Violations cited: 6EXCEL PLUMBING, HEAT…, OSHA inspections: 2 · Violations cited: 12LAUREL MOUNTAIN CONS…, OSHA inspections: 2 · Violations cited: 10LIVE OAK CONTRACTING, OSHA inspections: 2 · Violations cited: 4MJ SCOVILLE,INC., OSHA inspections: 2 · Violations cited: 9HEBERT-GATTUSO CONST…, OSHA inspections: 2 · Violations cited: 3GULF BAY HOMES CONST…, OSHA inspections: 2 · Violations cited: 6PLAN B SERVICES & RE…, OSHA inspections: 2 · Violations cited: 9J & a Mason CO., OSHA inspections: 2 · Violations cited: 9
J & a Mason CO. has 2 OSHA inspections on record and 9 violations cited. The crosshair marks the median among these Construction peers. Across this sector's tracked employers, more inspections is moderately associated with more violations found -- not a coincidence, but not a guarantee either.

J & a Mason CO. in the Construction enforcement ledger

In Construction, J & a Mason CO. sits at penalty rank #26,923 of 33,222 penalized establishments ($1,400 assessed).

How J & a Mason CO. Compares

J & a Mason CO.'s 4.50 violations per inspection compares to the Construction sector average of 3.3 violations per employer.

Against the Construction industry average of $6,767 per employer, this employer's current OSHA penalty runs well below peers (0.21x the sector average).

Enforcement detail

OSHA Inspection History

Total Inspections

2

First Inspection

2020-10-12

Last Inspection

2020-11-04

Inspection Span

1 yr

Violations / Inspection

4.5

Avg Penalty / Inspection

$700

Industry Avg / Inspection

$3,361

What this shows 2 inspections over 1 year, averaging 4.5 violations per visit. That's $700 per inspection vs. the Construction average of $3,361.

Enforcement detail

Violation Breakdown

3

Serious

33.3% of total

0

Willful

0.0% of total

0

Repeat

0.0% of total

6

Other-Than-Serious

66.7% 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.

Enforcement detail

Penalty Analysis

Initial Penalty Assessed

$1,400

Current Penalty Amount

$1,400

Penalty Reduction

None

What this shows No reduction on record. The current penalty matches the original OSHA assessment.

Industry Safety Context: Construction

How J & a Mason CO. compares to the Construction sector, which has 61,260 employers tracked by PlainWorker.

Metric J & a Mason CO. Industry Avg
Inspections 2 2.0
Violations 9 3.3
Total Penalty $1,400 $6,767
Avg Penalty per Inspection $700 $3,361

Nationwide Construction peers with similar penalties or inspection counts

Two OSHA-record peer sets for J & a Mason CO., both outside MI so the neighborhoods are not geographic containment.

Similar current OSHA penalty

Nearest same-sector employers by current assessed penalty ($1,400 here).

Similar OSHA inspection count

Same-sector employers with a comparable inspection history outside this state (2 inspections here).

Nearby & Similar Employers in Construction

Showing 5 of 61259 other employers tracked in this sector.

Compare J & a Mason CO. vs Longhorn Contractors side-by-side →

What to do with this record

Use J & a Mason CO.'s enforcement history as one data point, not the whole picture.

  • A single employer's record can look unusual in isolation. Compare J & a Mason CO. against Longhorn Contractors, a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
  • See whether J & a Mason CO.'s inspection and penalty record is typical for Construction or an outlier against the sector's own average. View the Construction sector
  • Before you accept a job or raise a safety concern, search any employer for its own OSHA inspection history the same way you found this one. Search employers

Figures reflect closed OSHA and WHD federal enforcement actions on record (2010–2026); not every workplace issue results in an inspection or investigation.

Frequently Asked Questions

Is J & a Mason CO. safe to work at?
Based on OSHA records, J & a Mason CO.'s workplace safety record is concerning, with multiple serious compliance issues. The employer has 9 violations across 2 inspections, including 3 serious violations. Compared to Construction industry peers, this is below average for penalties. Review the full inspection history below for details.
How many OSHA violations does J & a Mason CO. have?
J & a Mason CO. has 9 OSHA violations on record, including 3 serious, 0 willful, and 0 repeat violations. The total current penalty amount is $1,400.
How many OSHA inspections has J & a Mason CO. had?
J & a Mason CO. has had 2 OSHA inspections, with the first recorded on 2020-10-12 and the most recent on 2020-11-04. This averages 4.5 violations per inspection.
What is the total penalty amount for J & a Mason CO.?
J & a Mason CO. has been assessed $1,400 in current OSHA penalties.
Does J & a Mason CO. have any serious or willful violations?
Yes. J & a Mason CO. has 3 serious violations. Serious violations involve hazards likely to cause death or serious physical harm. Willful violations indicate the employer intentionally or knowingly disregarded the law.
What industry does J & a Mason CO. operate in?
J & a Mason CO. operates in the Construction sector (NAICS code 238140). This industry has 61,260 employers tracked by PlainWorker, with 123,354 total OSHA inspections and $414.57M in cumulative penalties.
Where does J & a Mason CO. rank nationally on OSHA penalties?
Among the 99,447 U.S. employers with a nonzero current OSHA penalty in PlainWorker's corpus, J & a Mason CO. ranks #82,453 (the lower half of penalized employers nationally). The ordinal is a live COUNT of employers with a lower total_current_penalty; see the methodology page for the exact derivation.
How does J & a Mason CO.'s safety record compare to industry average?
J & a Mason CO.'s total OSHA penalty of $1,400 is below the Construction industry average of $6,767 per employer. The employer has 2 inspections compared to the industry average of 2.0 per employer. For a direct comparison, Big J Plumbing in San Antonio, TX is a similar construction employer with $0 in current penalties.
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.

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Every figure on PlainWorker is rendered directly from official U.S. Department of Labor OSHA and Wage & Hour Division enforcement records, no number is typed in by an editor. This employer's ratios (penalty-per-violation, industry comparisons) are computed live from the 2 inspections on record. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.