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

SAN FRANCISCO, CA —

OSHA Inspection: O'BRIEN MECHANICAL, INC.

Planned inspection · Safety discipline

At a glance

On , OSHA opened a planned safety inspection of O'BRIEN MECHANICAL, INC. in 450 L0TH ST., SAN FRANCISCO, CA 94103 (NAICS 000000). OSHA activity number 120016415.

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Where did this inspection happen?

Establishment
O'BRIEN MECHANICAL, INC.
Site address
450 L0TH ST.
City
SAN FRANCISCO
State
CA
ZIP
94103
Mailing
1515 GALVEZ AVE., SAN FRANCISCO, CA 94124

What kind of inspection was it?

Inspection type
Planned (H)
Scope
Partial (B)
Discipline
Safety
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
000000
SIC code (legacy)
1711
Employees
3
Ownership type
A
Industry flags
Construction safety.

Citations

3 citations on file for this inspection.

25100058 A

Other-than-serious Gravity 00 1 instance 1 exposed
Issued
Abate by
Penalty
Initial $75.00 · Current $75.00

4650 E

Serious Gravity 00 1 instance 1 exposed
Issued
Abate by
Penalty
Initial $375.00 · Current $375.00

23400026

Serious Gravity 00 1 instance 2 exposed
Issued
Abate by
Penalty
Initial $375.00 · Current $375.00

More inspections at O'BRIEN MECHANICAL, INC.

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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 120016415.