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

OSHA Inspection: MATTOS UNDERGROUND CONSTRUCTION

Accident-driven inspection · Safety discipline

On , OSHA opened an accident-driven safety inspection of MATTOS UNDERGROUND CONSTRUCTION in 10903 OAK ST, ARMONA, CA 93202 (NAICS 238910). OSHA activity number 120215579.

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Site address
10903 OAK ST
City
ARMONA
State
CA
ZIP
93202
Mailing
819 E WOOD AVE, LATON, CA 93242
Inspection type
Accident-driven (A)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
N
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
238910
SIC code (legacy)
1629
Employees
14
Ownership type
A

4 citations on file for this inspection.

341 A01

Other-than-serious 1 instance 4 exposed
Issued
Abate by
Penalty
Initial $750.00 · Current $750.00

1509 A

Other-than-serious 1 instance 4 exposed
Issued
Abate by
Penalty
Initial $300.00 · Current $300.00

1541 K01

Other-than-serious 1 instance 4 exposed
Issued
Abate by
Penalty
Initial $300.00 · Current $300.00

15410001 A01

Serious 4 instances 4 exposed
Issued
Abate by
Penalty
Initial $12600.00 · Current $2025.00 Reduced
Recent events (2)
  • — J (S) $2025.00
  • — Z (S) $12600.00

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 120215579.