Washington L&I Data · Updated Oct 30, 2026Free and Independent · Not a Government Site

Plumbing contractor · Seattle, WA

Costco Wholesale Corporation

Active  Washington registration COSTCWC770K6 · per L&I records

LicensedBondedInsured

Is Costco Wholesale Corporation Licensed?

Washington L&I records list Costco Wholesale Corporation with registration number COSTCWC770K6 and status ACTIVE, valid until Jun 5, 2027. The business address on file is in Seattle, WA 98124.

License Details

License #
COSTCWC770K6
Status
ACTIVE
License type
Plumbing Contractor
Specialty
Journey Level
First effective
Jun 5, 2023
Expires
Jun 5, 2027
Business type
Corporation
UBI (state business ID)
601024674
City
Seattle, WA 98124

Bond and Insurance on File

Surety bond
$6,000 · Liberty Mutual Ins Co
Effective Oct 28, 2022 · Until Canceled
Liability insurance
$1,000,000 · SAFETY NATIONAL CASUALTY CORPO
Expires Sep 5, 2027
Accuracy notice. Data from Washington L&I open data (public domain, PDDL), not affiliated with any government. Records change; confirm on the official L&I Verify tool before hiring. Search other businesses with the Washington contractor license lookup.

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