MASON BUILDING GROUP is an employer in DOVER, DE. Federal records show 1 OSHA inspection with 0 violations and $0 in penalties. All data sourced from public federal enforcement records.

Data sourced from OSHA, DOL WHD, MSHA, EPA ECHO, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA, and the UVA Corporate Prosecution Registry. Last updated: May 1, 2026.

MASON BUILDING GROUP

1129 N DUPONT HIGHWAY, DOVER, DE, 19901

Federal Enforcement

OSHA inspection

OSHA Inspections

OSHA Violations

Total Penalties

Trend

STABLE

WHD Cases

Back Wages Owed

Confidence

MEDIUM

SVEP Flag

Data Insights

History Span

24 years

Last Activity

24yr ago

Active Agencies:

NLRB

Inspection Breakdown

Complaint and accident-triggered inspections are stronger risk signals than routine planned inspections.

Labor Relations (NLRB)

Total Cases

Unfair Labor Practice

National Labor Relations Board — unfair labor practice charges and union representation cases.

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Inspection History

No inspection records found.

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Data aggregated from public federal enforcement and program records (OSHA, WHD, MSHA, EPA, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA) plus the UVA Corporate Prosecution Registry. Employer profiles matched by name and location — matching errors may occur. Risk scores computed by FastDOL, not official government assessments. OSHA citations typically appear 3-8 months after the inspection, so very recent enforcement actions may not yet be reflected. Data provided as-is. Report a data error.

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Activity timeline

No federal enforcement activity has been recorded against this establishment in the past 25 years.

Frequently Asked Questions

What is MASON BUILDING GROUP's OSHA violation history?: MASON BUILDING GROUP has 1 OSHA inspection on record with 0 violations and $0 in total penalties.

About this data

This profile aggregates federal enforcement records on MASON BUILDING GROUP of DOVER, DE from 17 federal data sources. Records were found in 2 sources: OSHA workplace safety inspections, and NLRB labor relations cases. The remaining 15 sources were checked and found no matching records: WHD, MSHA, EPA, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement, SEC facts, BLS.

Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 1, 2026.

This profile may be incomplete if MASON BUILDING GROUPoperates under multiple legal names, files under variations our entity-matching rules don't yet cover, or maintains records below current matching thresholds. To report a missing record or correction, email corrections@fastdol.com.