ContractorHistory

Washington contractor

COSTCO WHOLESALE CORPORATION

Registered in Washington for 3 years

License number
COSTCWC770K6
UBI
601024674
Trade
Plumbing(all plumbing contractors in Washington)
L&I license type and specialty
PLUMBING CONTRACTOR · JOURNEY LEVEL
City
SEATTLE, WA(all contractors in Seattle)
Phone
(425) 313-8100

Current verification

  • Found: Active Washington contractor registration
  • Found: Current bond record found
  • Found: Current liability insurance record found
  • Found: No Attorney General complaint records found
  • Review: 1 other license record under the same UBI

From the state records below; each section shows its source and when it was last synced.

Registration

Status
ACTIVE
Effective date
June 5, 2023
Expiration date
June 5, 2027

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.

Related licenses

One other license number is registered under the same UBI, 601024674. A UBI identifies one business with the state; a business may hold more than one license, renew under a new number, or register a new license after an earlier one closed.

Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.

Bond

Current bond

  • Bond company
    Liberty Mutual Ins Co
    Bond number
    023222486
    Amount
    $6,000
    Effective date
    October 28, 2022
    Expiration date
    Until canceled

Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Liability insurance

Current policy

  • Carrier
    SAFETY NATIONAL CASUALTY CORPO
    Policy number
    GL4059268
    Coverage amount
    $1,000,000
    Effective date
    September 5, 2026
    Expiration date
    September 5, 2027

L&I publishes only the policy currently on file. Earlier policies are kept from our own nightly syncs, which began October 6, 2026.

Source: L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries. Last synced October 9, 2026.

People

Principals L&I lists for this license.

  • Galanti, RichardSince May 19, 2023
  • Jelinek, Walter CraigSince May 19, 2023
  • McCulla, MargaretSince May 19, 2023
  • Sullivan, JohnSince May 19, 2023
  • Swearingen, GarySince May 19, 2023
  • Vachris, RolandSince May 19, 2023
  • MILLERCHIP, GARYSince April 25, 2024
  • ASTIN, RAINEYSince December 31, 2024
  • SMYLIE, ZACKARYSince December 31, 2024
  • Callans, PatrickMay 19, 2023 to April 13, 2026
  • Elliot, JeffreyMay 19, 2023 to December 31, 2024
  • Tsuboi, GaliMay 19, 2023 to May 24, 2025

Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced October 9, 2026.

Attorney General complaints

No Attorney General complaint records found.

Matched on business name and city: COSTCO WHOLESALE CORPORATION in SEATTLE. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: COSTCO WHOLESALE CORPORATION (COSTCWC110JJ, ACTIVE). Complaints are matched by business name and city, so any complaint records shown here also appear on those pages. The records do not say which of these contractors a complaint was about.

A complaint record does not establish that the business violated the law.

Source: Attorney General Consumer Complaints, Washington State Attorney General's Office. Last synced October 9, 2026.

Record history

Changes to this contractor's state records since we began tracking them. The state's current-status tools do not show these.

No changes recorded since our records began on October 6, 2026.

Sources

Record last synced October 7, 2026.

Check this record against the state directly on L&I's Verify a Contractor page (search by license number COSTCWC770K6).