Construction · Northbrook, IL

Mark Stanley Masonry, INC.

According to OSHA enforcement records (2010–2026), Mark Stanley Masonry, INC. ranks #40,207 of 99,447 penalized U.S. employers by total current penalty, with a concerning safety record: 9 violations across 2 inspections.

Upper half by penalty89% serious
$8,400
OSHA penalties
9
Violations cited
2
OSHA inspections
#40,207
of 99,447 penalized employers

Mark Stanley Masonry, INC. in Northbrook, IL 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: $8,400. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected Mark Stanley Masonry, INC. 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 #40,207 of 99,447 penalized U.S. employers (the upper half of penalized employers nationally). Of these, 8 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, 518 Farming, INC. in Holtville, CA is another construction employer with 2 OSHA inspections on record and $8,400 in current penalties.

4.5
violations per inspection
88.9%
of violations were serious
#40,207
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 Mark Stanley Masonry, INC. compares on OSHA penalties

Total current penalty vs the Construction per-employer average

in penalties

What this shows Mark Stanley Masonry, INC. runs moderately above peers (1.2x 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

$8,400 Bottom 40% least affordable more affordable than 40% of 99,447 U.S. employers with a penalty

$0–$5,000: 43,959 U.S. employers with a penalty (44%). Below this entry. $5,000–$10,000: 20,304 U.S. employers with a penalty (20%). This entry sits in this band. $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 Mark Stanley Masonry, INC..

Frequently inspected, many findingsRarely inspected, many findingsFrequently inspected, clean recordBelow median on both1.92.022.02.03.46.71013.316.6OSHA inspectionsViolations citedINDUSTRIAL SERVICES …, OSHA inspections: 2 · Violations cited: 13BRUTUS CONSTRUCTION,…, OSHA inspections: 2 · Violations cited: 7SCHUFF STEEL COMPANY, OSHA inspections: 2 · Violations cited: 4ONE SOURCE PLUMBING …, OSHA inspections: 2 · Violations cited: 11M & D VERHAGE & SONS, OSHA inspections: 2 · Violations cited: 6PINE CONTRACTOR CORP…, OSHA inspections: 2 · Violations cited: 4HAMMER ONE CONSTRUCT…, OSHA inspections: 2 · Violations cited: 10WESTECH SYSTEMS, LLC., OSHA inspections: 2 · Violations cited: 4INDOOR SOLUTIONS-HVA…, OSHA inspections: 2 · Violations cited: 16BARNHART BUILDERS, L…, OSHA inspections: 2 · Violations cited: 8PG PRODUCTS OF NY INC., OSHA inspections: 2 · Violations cited: 5HUMBERTO LOPEZ NAVA, OSHA inspections: 2 · Violations cited: 4FRANCISCO TREVIZO, OSHA inspections: 2 · Violations cited: 7LOBO J CONSTRUCTION …, OSHA inspections: 2 · Violations cited: 5HEAVY CONSTRUCTION, …, OSHA inspections: 2 · Violations cited: 9GONZALO QUIJANO BAUT…, OSHA inspections: 2 · Violations cited: 4CHILO MASONRY, INC., OSHA inspections: 2 · Violations cited: 13MASTER CONTRACTING, …, OSHA inspections: 2 · Violations cited: 7F&G ROOFING & CONSTR…, OSHA inspections: 2 · Violations cited: 4TITAN BUILT, LLC., OSHA inspections: 2 · Violations cited: 4Mark Stanley Masonry…, OSHA inspections: 2 · Violations cited: 9
Mark Stanley Masonry, INC. 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.

Mark Stanley Masonry, INC. in the Construction enforcement ledger

Construction sector: Mark Stanley Masonry, INC. is the #11,346 heaviest OSHA penalty carrier of 33,222 employers with nonzero fines ($8,400).

How Mark Stanley Masonry, INC. Compares

Mark Stanley Masonry, INC.'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 moderately above peers (1.2x the sector average).

Enforcement detail

OSHA Inspection History

Total Inspections

2

First Inspection

2017-05-24

Last Inspection

2017-05-24

Inspection Span

1 yr

Violations / Inspection

4.5

Avg Penalty / Inspection

$4,200

Industry Avg / Inspection

$3,361

What this shows 2 inspections over 1 year, averaging 4.5 violations per visit. That's $4,200 per inspection vs. the Construction average of $3,361.

Enforcement detail

Violation Breakdown

8

Serious

88.9% of total

0

Willful

0.0% of total

0

Repeat

0.0% of total

1

Other-Than-Serious

11.1% 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

$18,470

Current Penalty Amount

$8,400

Penalty Reduction

54.5%

What this shows Penalties were reduced by $10,070 from the initial assessment of $18,470. Reductions may result from informal settlements, formal contests, or negotiated agreements with OSHA.

Industry Safety Context: Construction

How Mark Stanley Masonry, INC. compares to the Construction sector, which has 61,260 employers tracked by PlainWorker.

Metric Mark Stanley Masonry, INC. Industry Avg
Inspections 2 2.0
Violations 9 3.3
Total Penalty $8,400 $6,767
Avg Penalty per Inspection $4,200 $3,361

Nationwide Construction peers with similar penalties or inspection counts

Two OSHA-record peer sets for Mark Stanley Masonry, INC., both outside IL so the neighborhoods are not geographic containment.

Similar current OSHA penalty

Nearest same-sector employers by current assessed penalty ($8,400 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 Mark Stanley Masonry, INC. vs 518 Farming, INC. side-by-side →

What to do with this record

Use Mark Stanley Masonry, INC.'s enforcement history as one data point, not the whole picture.

  • A single employer's record can look unusual in isolation. Compare Mark Stanley Masonry, INC. against 518 Farming, INC., a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
  • See whether Mark Stanley Masonry, INC.'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 Mark Stanley Masonry, INC. safe to work at?
Based on OSHA records, Mark Stanley Masonry, INC.'s workplace safety record is concerning, with multiple serious compliance issues. The employer has 9 violations across 2 inspections, including 8 serious violations. Compared to Construction industry peers, this is above average for penalties. Review the full inspection history below for details.
How many OSHA violations does Mark Stanley Masonry, INC. have?
Mark Stanley Masonry, INC. has 9 OSHA violations on record, including 8 serious, 0 willful, and 0 repeat violations. The total current penalty amount is $8,400.
How many OSHA inspections has Mark Stanley Masonry, INC. had?
Mark Stanley Masonry, INC. has had 2 OSHA inspections, with the first recorded on 2017-05-24 and the most recent on 2017-05-24. This averages 4.5 violations per inspection.
What is the total penalty amount for Mark Stanley Masonry, INC.?
Mark Stanley Masonry, INC. has been assessed $8,400 in current OSHA penalties, reduced from an initial assessment of $18,470 (a 54.5% reduction).
Does Mark Stanley Masonry, INC. have any serious or willful violations?
Yes. Mark Stanley Masonry, INC. has 8 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 Mark Stanley Masonry, INC. operate in?
Mark Stanley Masonry, INC. 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 Mark Stanley Masonry, INC. rank nationally on OSHA penalties?
Among the 99,447 U.S. employers with a nonzero current OSHA penalty in PlainWorker's corpus, Mark Stanley Masonry, INC. ranks #40,207 (the upper 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 Mark Stanley Masonry, INC.'s safety record compare to industry average?
Mark Stanley Masonry, INC.'s total OSHA penalty of $8,400 is above the Construction industry average of $6,767 per employer (1.2x the average). The employer has 2 inspections compared to the industry average of 2.0 per employer. For a direct comparison, 518 Farming, INC. in Holtville, CA is a similar construction employer with $8,400 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.