ContractorHistory

Washington contractor

SW1 PLUMBING & MECHANICAL LLC

Registered in Washington for 4 years

License number
SW1PLPM797O7
UBI
603284254
Trade
Plumbing(all plumbing contractors in Washington)
L&I license type and specialty
PLUMBING CONTRACTOR · JOURNEY LEVEL
City
KIRKLAND, WA(all contractors in Kirkland)
Phone
(206) 747-0095

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
May 5, 2022
Expiration date
May 5, 2028

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, 603284254. 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
    NORTH RIVER INSURANCE COMPANY THE
    Bond number
    46CF818399
    Amount
    $6,000
    Effective date
    September 9, 2023
    Expiration date
    Until canceled

Bond history

  • Bond company
    HARTFORD INSURANCE CO THE MIDWEST
    Bond number
    57BSBIL0839
    Amount
    $6,000
    Effective date
    September 9, 2021
    Expiration date
    Not on record
    Cancellation date
    September 9, 2023

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
    CKA0551216
    Coverage amount
    $1,000,000
    Effective date
    March 18, 2026
    Expiration date
    March 18, 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.

  • DOAN, ALLISON PHUONG MAISince September 20, 2021
  • WALDRON, STEVEN SHAWNSince September 20, 2021

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: SW1 PLUMBING MECHANICAL in KIRKLAND. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: SW1 PLUMBING & MECHANICAL LLC (SW1PLPM878D7, EXPIRED). 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 SW1PLPM797O7).