Safety Incidents OSHA Severe Injury Reports · 2015–2025
4,113,118Inspections Most recent open 2026-07-13 Last loaded 2026-07-17

SONOMA, CA —

OSHA Inspection: KO UNDERGROUND CONSTRUCTION INC.

Referral inspection · Health discipline

At a glance

On , OSHA opened a referral health inspection of KO UNDERGROUND CONSTRUCTION INC. in W MCARTHUR ST., SONOMA, CA 95476 (NAICS 238910). OSHA activity number 300753993.

Watch KO Underground Construction INC. — free Get an email when a new federal OSHA severe-injury report for KO Underground Construction INC. is published. One employer, no account, unsubscribe in one click.

Where did this inspection happen?

Establishment
KO UNDERGROUND CONSTRUCTION INC.
Site address
W MCARTHUR ST.
City
SONOMA
State
CA
ZIP
95476
Mailing
102 WOLFSKILL ST, WINTERS, CA 95694

What kind of inspection was it?

Inspection type
Referral (C)
Scope
Partial (B)
Discipline
Health
Advance notice
No
Union status
Y

When did the case open and close?

Opened
Closing conference
Case closed
Last modified
Data loaded

Establishment context

NAICS code
238910
SIC code (legacy)
1794
Employees
5
Ownership type
A

Citations

2 citations on file for this inspection.

1541 J02

Other-than-serious 1 instance 2 exposed
Issued
Abate by
Penalty
Initial $75.00 · Current $75.00

1514 A

Other-than-serious 1 instance 2 exposed
Issued
Abate by
Penalty
Initial $75.00 · Current $75.00

More inspections in this industry (NAICS 238910)

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 300753993.