Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,992Inspections Most recent open 2026-07-18 Last loaded 2026-07-22

OSHA Inspection: SIX SIGMA BUILDERS, LLC

Accident-driven inspection · Safety discipline

On , OSHA opened an accident-driven safety inspection of SIX SIGMA BUILDERS, LLC in 412 HURLINGHAM AVENUE, SAN MATEO, CA 94402 (NAICS 236220). OSHA activity number 345408611.

What this inspection record means

OSHA opens inspections for many reasons — routine scheduling under a national or local emphasis program, an employee complaint or referral, or a follow-up after a reported injury. Opening or conducting an inspection is not itself an allegation or a finding that this employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.

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Site address
412 HURLINGHAM AVENUE
City
SAN MATEO
State
CA
ZIP
94402
Mailing
1000 HARVARD RD., SAN MATEO, CA 94402
Inspection type
Accident-driven (A)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
B
Opened
Closing conference
Last modified
Data loaded
NAICS code
236220
Employees
4
Ownership type
A

7 citations on file for this inspection.

342(A)

Other-than-serious 1 instance 1 exposed
Issued
Nov 16, 2021
Penalty
Initial $5,000 · Current $5,000
Recent events (1)
  • — Z (O) $5000

1509(A)

Other-than-serious Gravity 5 1 instance 2 exposed
Issued
Nov 16, 2021
Abate by
Jan 6, 2022
Penalty
Initial $375 · Current $375
Recent events (1)
  • — Z (O) $375

1509(B)

Other-than-serious Gravity 5 1 instance 3 exposed
Issued
Nov 16, 2021
Abate by
Jan 6, 2022
Penalty
Initial $375 · Current $375
Recent events (1)
  • — Z (O) $375

3205(C)

Other-than-serious Gravity 5 1 instance 6 exposed
Issued
Nov 16, 2021
Abate by
Jan 6, 2022
Penalty
Initial $375 · Current $375
Recent events (1)
  • — Z (O) $375

3668(A)(2)

Other-than-serious Gravity 10 1 instance 1 exposed
Issued
Nov 16, 2021
Abate by
Jan 6, 2022
Penalty
Initial $625 · Current $625
Recent events (1)
  • — Z (O) $625

3650(T)(27)

Serious Gravity 10 1 instance 1 exposed
Issued
Nov 16, 2021
Penalty
Initial $10,800 · Current $10,800
Recent events (1)
  • — Z (S) $10800

3703

Serious Gravity 10 1 instance 2 exposed
Issued
Nov 16, 2021
Penalty
Initial $10,800 · Current $10,800
Recent events (1)
  • — Z (S) $10800

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 345408611.

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