Contractor License Proof

Costco Wholesale Corporation

Licensed

Verified against CSLB on · View on CSLB

License details

License number
858087
Status
Active
Classifications
B · General BuildingC-10 · ElectricalC-36 · PlumbingD-34 · Prefabricated Equipment
Contractor bond
$25,000
Workers' comp
Covered
License term on file
April 28, 2005 – April 30, 2027

Business

  • (425) 313 8100 (CSLB public record)
  • P O BOX 35005 ATTN: LICENSING, Seattle, WA 981243405

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Frequently asked questions

Is Costco Wholesale Corporation licensed in California?

Yes. Costco Wholesale Corporation holds an active California state contractor license (CSLB #858087), verified against the CSLB public record on June 17, 2026.

What is Costco Wholesale Corporation's CSLB license number?

Costco Wholesale Corporation's California contractor license number is 858087. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Costco Wholesale Corporation licensed for?

Costco Wholesale Corporation is classified under General Building (B), Electrical (C-10), Plumbing (C-36), and Prefabricated Equipment (D-34) by the CSLB.

How do I verify Costco Wholesale Corporation's license myself?

Look up license #858087 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.

Verify it yourself: How to verify a California contractor license · Look up #858087 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.