ContractorHistory

Washington contractor

WESNOR PLUMBING & HEATING LLC

Registered in Washington for 6 years

License number
WESNOPH818RC
UBI
604536206
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
City
SEATTLE, WA(all contractors in Seattle)
Phone
(206) 802-5113

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
December 3, 2019
Expiration date
April 17, 2027

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

One other license number is registered under the same UBI, 604536206. 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
    RLI Ins Co
    Bond number
    LSM1716576
    Amount
    $30,000
    Effective date
    April 17, 2025
    Expiration date
    Until canceled
  • Bond company
    American Contractors Indem CO
    Bond number
    100594887
    Amount
    $6,000
    Effective date
    August 5, 2021
    Expiration date
    Until canceled
  • Bond company
    American Contractors Indem CO
    Bond number
    100546305
    Amount
    $6,000
    Effective date
    February 22, 2021
    Expiration date
    Until canceled

Bond history

  • Bond company
    RLI Ins Co
    Bond number
    lsm1716576
    Amount
    $12,000
    Effective date
    April 10, 2023
    Expiration date
    April 17, 2025
  • Bond company
    Ohio Cas Ins Co
    Bond number
    999026450
    Amount
    $6,000
    Effective date
    December 2, 2019
    Expiration date
    Not on record
    Cancellation date
    February 17, 2021

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

Liability insurance

Current policy

  • Carrier
    Contractors Bonding & Insuranc
    Policy number
    CKA0545209
    Coverage amount
    $1,000,000
    Effective date
    September 19, 2025
    Expiration date
    September 19, 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.

  • OSTROWSKI, MACIEJSince December 3, 2019

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: WESNOR PLUMBING HEATING in SEATTLE. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: WESNOR PLUMBING & HEATING LLC (WESNOPH794RW, 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 WESNOPH818RC).