Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,214Inspections Most recent open 2026-07-16 Last loaded 2026-07-20

SAN BERNARDINO, CA —

OSHA Inspection: MASTER CONTRACTORS LP

Complaint inspection · Safety discipline

At a glance

On , OSHA opened a complaint safety inspection of MASTER CONTRACTORS LP in 444 RIALTO AVE, SAN BERNARDINO, CA 92401 (NAICS 236210). OSHA activity number 310602495.

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Where did this inspection happen?

Establishment
MASTER CONTRACTORS LP
Site address
444 RIALTO AVE
City
SAN BERNARDINO
State
CA
ZIP
92401
Mailing
9728 CAROB STREET, FONTANA, CA 92335

What kind of inspection was it?

Inspection type
Complaint (B)
Scope
Complete (A)
Discipline
Safety
Advance notice
No
Union status
N

When did the case open and close?

Opened
Closing conference
Case closed
Last modified
Data loaded

Establishment context

NAICS code
236210
SIC code (legacy)
1541
Employees
9
Ownership type
A

Citations

2 citations on file for this inspection.

1509 A

Other-than-serious 1 instance
Issued
Abate by
Penalty
Initial $50.00 · Current $50.00

3657 A01

Serious 1 instance
Issued
Abate by
Penalty
Initial $900.00 · Current $900.00

More inspections in this industry (NAICS 236210)

More inspections in CA

Source

This record is reproduced from the U.S. Department of Labor Open Data API (OSHA inspection dataset). The original IMIS detail view is available at OSHA's Establishment Search for activity number 310602495.