PlainWorker
Employers › CT

Construction · Middletown, CT

Keystone Construction & Maintenance

According to OSHA enforcement records (2010–2026), Keystone Construction & Maintenance has a concerning safety record: 112 violations across 3 inspections. See the full breakdown below.

Top 1% by penalty13% serious
$6.55M
OSHA penalties
112
Violations cited
3
OSHA inspections
#1
of 100,495 penalized employers

Keystone Construction & Maintenance in Middletown, CT has been the subject of 3 OSHA workplace inspections and 112 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $6.55M. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected Keystone Construction & Maintenance 3 times over 1 year - more than twice a year on average. These inspections turned up 112 violations, averaging 37.3 per inspection - an extremely dense concentration of citations. Its total OSHA penalty ranks in the top 1% of penalized employers nationally. Of these, 15 were classified as serious and 96 as willful - indicating hazards that could cause death or serious harm. Against the Construction industry average of 2 inspections per employer, this runs moderately above peers (1.5x the sector average) on inspection frequency. For comparison, Imperial Pacific Resort Hotel - Saipan in Saipan, MP is another construction employer with 0 OSHA inspections on record and $0 in current penalties.

37.3
violations per inspection
13.4%
of violations were serious
100%
of penalized employers rank lower

How this employer compares on OSHA penalties

Total current penalty vs the Construction per-employer average

in penalties

What this shows Keystone Construction & Maintenance runs far above peers (970.3x 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

$6,550,000 Bottom 1% least affordable more affordable than 0% of 100,495 U.S. employers with a penalty

$0–$5,000: 44,435 U.S. employers with a penalty (44%). Below this entry. $5,000–$10,000: 20,628 U.S. employers with a penalty (21%). Below this entry. $10,000–$15,000: 11,165 U.S. employers with a penalty (11%). Below this entry. $15,000–$20,000: 6,629 U.S. employers with a penalty (7%). Below this entry. $20,000–$25,000: 4,205 U.S. employers with a penalty (4%). Below this entry. $25,000–$30,000: 2,885 U.S. employers with a penalty (3%). Below this entry. $30,000–$35,000: 2,052 U.S. employers with a penalty (2%). Below this entry. $35,000–$40,000: 1,483 U.S. employers with a penalty (1%). Below this entry. $40,000–$45,000: 1,120 U.S. employers with a penalty (1%). Below this entry. $45,000–$50,000: 792 U.S. employers with a penalty (1%). Below this entry. $50,000+: 5,101 U.S. employers with a penalty (5%). This entry ($6,550,000) is well above this band, the chart's rightmost open-ended bucket. This employer: $6,550,000 $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

What the Data Says About Keystone Construction & Maintenance

The federal enforcement record for Keystone Construction & Maintenance in Middletown, CT includes 3 OSHA inspections and 112 violations, translating to 37.33 violations per inspection. Of those violations, 15 (13.4%) were classified as serious, 96 (85.7%) as willful, and 0 (0.0%) as repeat. Serious violations denote hazards likely to cause death or serious physical harm; willful and repeat categories indicate intentional disregard or recurrence of previously cited hazards.

OSHA assessed $6.75M in initial penalties against this employer, later adjusted to a current total of $6.55M - a 3.0% reduction. Average penalty per inspection works out to $2.18M. Against the Construction industry average of $6,751 per employer, this record runs far above peers (970.3x the sector average).

Inspection activity spans from 2010-02-07 to 2011-06-13, a window of roughly 1 year.

Enforcement detail

OSHA Inspection History

Total Inspections

3

First Inspection

2010-02-07

Last Inspection

2011-06-13

Inspection Span

1 yr

Violations / Inspection

37.3

Avg Penalty / Inspection

$2.18M

Industry Avg / Inspection

$3,361

What this shows 3 inspections over 1 year, averaging 37.3 violations per visit. That's $2.18M per inspection vs. the Construction average of $3,361.

Enforcement detail

Violation Breakdown

15

Serious

13.4% of total

96

Willful

85.7% of total

0

Repeat

0.0% of total

1

Other-Than-Serious

0.9% 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

$6.75M

Current Penalty Amount

$6.55M

Penalty Reduction

3.0%

What this shows Penalties were reduced by $202,540 from the initial assessment of $6.75M. Reductions may result from informal settlements, formal contests, or negotiated agreements with OSHA.

Industry Safety Context: Construction

How Keystone Construction & Maintenance compares to the Construction sector, which has 61,413 employers tracked by PlainWorker.

Metric Keystone Construction & Maintenance Industry Avg
Inspections 3 2.0
Violations 112 3.3
Total Penalty $6.55M $6,751
Avg Penalty per Inspection $2.18M $3,361
View all 61,413 employers in Construction →

Nearby & Similar Employers in Construction

Spencer Construction LLC
Tucson, AZ
0 inspections $0
Southwest Valley Constructors
Albuquerque, NM
0 inspections $0
GenStrong
Rio Grande, PR
0 inspections $0
McC International Saipan LTD. CO.
Saipan, MP
5 inspections $76,693
Imperial Pacific Resort Hotel - Saipan
Saipan, MP
0 inspections $0

Compare Keystone Construction & Maintenance vs Spencer Construction LLC side-by-side →

Frequently Asked Questions

Is Keystone Construction & Maintenance safe to work at? ▼
Based on OSHA records, Keystone Construction & Maintenance's workplace safety record is concerning, with multiple serious compliance issues. The employer has 112 violations across 3 inspections, including 15 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 Keystone Construction & Maintenance have? ▼
Keystone Construction & Maintenance has 112 OSHA violations on record, including 15 serious, 96 willful, and 0 repeat violations. The total current penalty amount is $6.55M.
How many OSHA inspections has Keystone Construction & Maintenance had? ▼
Keystone Construction & Maintenance has had 3 OSHA inspections, with the first recorded on 2010-02-07 and the most recent on 2011-06-13. This averages 37.3 violations per inspection.
What is the total penalty amount for Keystone Construction & Maintenance? ▼
Keystone Construction & Maintenance has been assessed $6.55M in current OSHA penalties, reduced from an initial assessment of $6.75M (a 3.0% reduction).
Does Keystone Construction & Maintenance have any serious or willful violations? ▼
Yes. Keystone Construction & Maintenance has 15 serious violations, 96 willful 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 Keystone Construction & Maintenance operate in? ▼
Keystone Construction & Maintenance operates in the Construction sector (NAICS code 238220). This industry has 61,413 employers tracked by PlainWorker, with 123,350 total OSHA inspections and $414.57M in cumulative penalties.
How does Keystone Construction & Maintenance's safety record compare to industry average? ▼
Keystone Construction & Maintenance's total OSHA penalty of $6.55M is above the Construction industry average of $6,751 per employer (970.3x the average). The employer has 3 inspections compared to the industry average of 2.0 per employer. For a direct comparison, Imperial Pacific Resort Hotel - Saipan in Saipan, MP is a similar construction employer with $0 in current penalties.

Explore PlainWorker

Construction Industry

All 61,413 employers in this sector
Employers in CT

All inspected employers in this state
Safety Rankings

Most penalized, repeat violators & more

What to check next

Keystone Construction & Maintenance's record is one establishment in a larger pattern. Use it as a research checklist, not a verdict on the employer overall.

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.

Verify with OSHA establishment search →

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 3 inspections on record. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.