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

OSHA Inspection: WILFREDO E. CASTELLON DBA CASTELLON CONSTRUCTION

Referral inspection · Safety discipline

On , OSHA opened a referral safety inspection of WILFREDO E. CASTELLON DBA CASTELLON CONSTRUCTION in 342 FAIR OAKS STREET, SAN FRANCISCO, CA 94110 (NAICS 238130). OSHA activity number 307395384.

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Site address
342 FAIR OAKS STREET
City
SAN FRANCISCO
State
CA
ZIP
94110
Mailing
P. O. BOX 329, MILLBRAE, CA 94030
Inspection type
Referral (C)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
N
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
238130
SIC code (legacy)
1751
Employees
4
Ownership type
A
Industry flags
Construction safety.

6 citations on file for this inspection.

1509 C

Other-than-serious 1 instance 4 exposed
Issued
Abate by
Penalty
Initial $50.00 · Current $50.00

1626 E

Serious 1 instance 4 exposed
Issued
Abate by
Penalty
Initial $900.00 · Current $900.00

1644 A03

Serious 6 instances 1 exposed
Issued
Abate by
Penalty
Initial $900.00 · Current $900.00

1644 A06

Serious 2 instances 1 exposed
Issued
Abate by
Penalty
Initial $90.00 · Current $90.00

1644 A07

Serious 1 instance 1 exposed
Issued
Abate by
Penalty
Initial $90.00 · Current $90.00

1637 N01

Serious 1 instance 1 exposed
Issued
Abate by
Penalty
Initial $90.00 · Current $90.00

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 307395384.