Costco Wholesale Corporation

Is Costco Wholesale Corporation Licensed?

Washington L&I records list Costco Wholesale Corporation with registration number COSTCWC110JJ and status ACTIVE, valid until Dec 17, 2026. The business address on file is in Seattle, WA 98124.

License Details

License #

COSTCWC110JJ

Status

ACTIVE

License type

Construction Contractor

Specialty

General

First effective

Apr 11, 1989

Expires

Dec 17, 2026

Business type

Corporation

UBI (state business ID)

601024674

City

Seattle, WA 98124

Bond and Insurance on File

Surety bond

$30,000 · Safeco Ins Co of America
Effective Jul 1, 2024 · Until Canceled

Liability insurance

$1,000,000 · SAFETY NATIONAL CASUALTY CORPO
Expires Sep 5, 2027

What Active Status Means

The registration is current: L&I has a bond and liability insurance on file and the term has not ended. ACTIVE is necessary but not sufficient, so also check the expiry date, the bond and the insurance below.

Can this business work under this registration? Can work while it stays active.

The registration has 47 days left before it expires on Dec 17, 2026. If your project runs past that date, ask whether the business has renewed.

All status codes are explained in Washington Contractor License Statuses Explained.

How This Record Compares in Seattle

Costco Wholesale Corporation has held registration COSTCWC110JJ for 37.6 years. The median for the 2,643 active general contractors with a Seattle address is 6.2 years, and 928 of them have held their registration for 10 years or more, so this registration is among the longer-held ones. 383 of them registered in the last 12 months.

99% of these Seattle records have a surety bond on file and 100% have liability insurance on file. The median insurance amount on file is $1,000,000; this business lists $1,000,000, which is equal to that median. Insurance amounts are what the insurer reported to L&I; they are not a rating of the business.

Record Timeline

• Apr 11, 1989: Current registration COSTCWC110JJ took effect.
• Jul 1, 2024: $30,000 surety bond with Safeco Ins Co of America took effect.
• Oct 30, 2026: Our copy of the L&I record was taken.
• Dec 17, 2026: Registration expires unless renewed.
• Sep 5, 2027: SAFETY NATIONAL CASUALTY CORPO liability policy on file expires.

Other L&I Registrations Under UBI 601024674

The L&I file lists 1 other contractor registration under the same state business ID (UBI). Older numbers usually reflect renewals under a new number, name changes or a change of business structure.

• COSTCWC770K6 · Costco Wholesale Corporation · ACTIVE · effective Jun 5, 2023, expires Jun 5, 2027

Checks for General Contractors

• General contractors must file a $30,000 surety bond (RCW 18.27.040, effective July 1, 2024). This record lists a $30,000 bond. See General vs Specialty Contractor Registration in Washington.
• Use a general contractor when the project involves more than one trade. Subcontractors on your job must be registered too.
• Compare bids on scope, schedule and payment terms, not just the total.
• More detail: How to Choose a General Contractor in Washington.

How to Verify This Contractor

1. Use the Confirm on L&I Verify button and search registration COSTCWC110JJ or UBI 601024674. The status there is the official one.
2. Check that the name on your bid or contract matches Costco Wholesale Corporation exactly (a corporation).
3. On L&I Verify, look for bond claims, lawsuits and any newer registration.
4. Ask for a certificate of insurance sent directly by the insurer, and compare it with the SAFETY NATIONAL CASUALTY CORPO policy on file.

A full walkthrough is in How to Check a Contractor License in Washington.

Record data as of Oct 30, 2026, from the Washington L&I contractor file.

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