MASON BUILDING GROUP is a commercial and institutional building construction employer in WILMINGTON, DE. Federal records show 6 OSHA inspections with 3 violations and $13,572 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 2, 2026.
MASON BUILDING GROUP
1007 NORTH MARKET STREET, WILMINGTON, DE, 19801
236220 — Top companies in Commercial and Institutional Building Construction
Industry Benchmark
Data Insights
Inspection Breakdown
Peer Comparison
Labor Relations (NLRB)
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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.
Other employers in Commercial and Institutional Building Construction within DE
- WOHLSEN CONSTRUCTION COMPANY — WILMINGTON — 2 federal records
- NOOTER CONSTRUCTION COMPANY, LLC — DELAWARE CITY — 2 federal records
- WOHLSEN CONSTRUCTION COMPANY — NEW CASTLE — 2 federal records
- MASON BUILDING GROUP — NEWARK — 2 federal records
- EDIS COMPANY — NEWARK — 1 federal record
- CARROLLTON DESIGN BUILD, LLC — SMYRNA — 1 federal record
- A. YERGER INC. — MILFORD — 1 federal record
- SCHORN CONSTRUCTION CO. INC. — BEAR — 1 federal record
- GRAYSON, GRAYSON & ASSOCIATES, LLC. — SEAFORD — 1 federal record
- PETTINARO CONSTRUCTION CO., INC. — WILMINGTON — 1 federal record
Industry context
Within the commercial and institutional building construction industry in DE, MASON BUILDING GROUP ranks in the 90th percentile of OSHA violation frequency across 415 comparable establishments. That places this employer among the highest-violation establishments in its peer set.
OSHA penalty totals rank in the 97th percentile of the same peer group. Inspection frequency ranks in the 98th percentile.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 1.9 for the commercial and institutional building construction sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.2.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 9 years.
Frequently Asked Questions
- What is MASON BUILDING GROUP's OSHA violation history?
- MASON BUILDING GROUP has 6 OSHA inspections on record with 3 violations and $13,572 in total penalties.
- How does MASON BUILDING GROUP's safety record compare to its industry?
- MASON BUILDING GROUP operates in the commercial and institutional building construction industry. The industry average Total Recordable Incident Rate (TRIR) is 1.9.
About this data
This profile aggregates federal enforcement records on MASON BUILDING GROUP of WILMINGTON, DE from 17 federal data sources. Records were found in 3 sources: OSHA workplace safety inspections, NLRB labor relations cases, and BLS industry safety benchmarks. The remaining 14 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.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 2, 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.