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

OSHA Inspection: GRAVES 6 INC. DBA PREFERRED PLUMBING & DRAIN

Accident-driven inspection · Safety discipline

On , OSHA opened an accident-driven safety inspection of GRAVES 6 INC. DBA PREFERRED PLUMBING & DRAIN in 8928 PLYMOUTH ST., OAKLAND, CA 94621 (NAICS 238220). OSHA activity number 342040516.

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employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.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
8928 PLYMOUTH ST.
City
OAKLAND
State
CA
ZIP
94621
Mailing
3437 MYRTLE AVE. #440, NORTH HIGHLANDS, CA 95660
Inspection type
Accident-driven (A)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
B
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
238220
Employees
2
Ownership type
A

3 citations on file for this inspection.

3203(A)

Other-than-serious Gravity 5 1 instance 41 exposed
Issued
Jun 21, 2017
Abate by
Jul 10, 2017
Penalty
Initial $410 · Current $410
Recent events (1)
  • — Z (O) $410

1511(B)

Other-than-serious Gravity 10 1 instance 1 exposed
Issued
Jun 21, 2017
Penalty
Initial $685 · Current $685
Recent events (1)
  • — Z (O) $685

3395(I)

Other-than-serious Gravity 5 1 instance 28 exposed
Issued
Jun 21, 2017
Abate by
Jul 10, 2017
Penalty
Initial $410 · Current $410
Recent events (1)
  • — Z (O) $410

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 342040516.

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