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

OSHA Inspection: CORNERSTONE CONSTRUCTION, INC.

Planned inspection · Safety discipline

On , OSHA opened a planned safety inspection of CORNERSTONE CONSTRUCTION, INC. in 26100 25TH AVE S, KENT, WA 98032 (NAICS 238910). OSHA activity number 309878312.

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employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.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
26100 25TH AVE S
City
KENT
State
WA
ZIP
98032
Mailing
PO BOX 2028, ISSAQUAH, WA 98027
Inspection type
Planned (H)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
N
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
238910
SIC code (legacy)
1794
Employees
2
Ownership type
A

5 citations on file for this inspection.

1550065511 A

Deleted Repeat 1 instance 2 exposed
Issued
Jun 9, 2006
Abate by
Apr 28, 2006
Penalty
Initial $3,600 · Current $3,600
Recent events (2)
  • — Y (R) $3600.00
  • — Z (R) $3600.00

1550065701 A

Deleted Repeat 1 instance 1 exposed
Issued
Jun 9, 2006
Abate by
Apr 28, 2006
Penalty
Initial $3,600 · Current $3,600
Recent events (2)
  • — Y (R) $3600.00
  • — Z (R) $3600.00

1550065510 B

Deleted Serious 1 instance 2 exposed
Issued
Jun 9, 2006
Abate by
Apr 28, 2006
Penalty
Initial $1,800 · Current $1,800
Recent events (2)
  • — Y (S) $1800.00
  • — Z (S) $1800.00

1550065503 B

Deleted Serious 1 instance 2 exposed
Issued
Jun 9, 2006
Abate by
Apr 28, 2006
Penalty
Initial $600 · Current $600
Recent events (2)
  • — Y (S) $600.00
  • — Z (S) $600.00

1550065707 A 02

Deleted Serious 1 instance 2 exposed
Issued
Jun 9, 2006
Abate by
Apr 28, 2006
Penalty
Initial $1,800 · Current $1,800
Recent events (2)
  • — Y (S) $1800.00
  • — Z (S) $1800.00

View Cornerstone Construction, INC.'s full OSHA safety record →

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 309878312.

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