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

SAN MATEO, CA —

OSHA Inspection: DEL SECCO DIAMOND

Referral inspection · Safety discipline

At a glance

On , OSHA opened a referral safety inspection of DEL SECCO DIAMOND in RT 92, MILE POST R11.8/R12.2, SAN MATEO, CA 94403 (NAICS 000000). OSHA activity number 111803573.

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Where did this inspection happen?

Establishment
DEL SECCO DIAMOND
Site address
RT 92, MILE POST R11.8/R12.2
City
SAN MATEO
State
CA
ZIP
94403
Mailing
31739 KNAPP STREET, HAYWARD, CA 94544

What kind of inspection was it?

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

When did the case open and close?

Opened
Closing conference
Case closed
Data loaded

Establishment context

NAICS code
000000
SIC code (legacy)
1799
Employees
15
Ownership type
A

Citations

2 citations on file for this inspection.

1509 C

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

3648 O

Serious Gravity 03 1 instance 2 exposed
Issued
Abate by
Penalty
Initial $375.00 · Current $375.00

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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 111803573.