ContractorHistory

Washington contractor

A B PLUMBING LLC

First registered in Washington on April 14, 2006

License number
BPLUMPL948JM
UBI
603008860
Trade
Plumbing(all plumbing contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · PLUMBING
City
MCKENNA, WA(all contractors in McKenna)
Phone
(360) 481-5520

A newer license record under the same UBI is on file: A B PLUMBING LLC, license BPLUMBP752JS, ACTIVE, effective April 10, 2025. See Related licenses below.

Current verification

  • Found: No Attorney General complaint records found
  • Review: Registration is not currently active
  • Review: Registration appears to be expired
  • Review: 2 other license records under the same UBI

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

Registration

Status
EXPIRED
Effective date
April 14, 2006
Expiration date
April 21, 2022

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

2 other license numbers are registered under the same UBI, 603008860. 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.

  • License BPLUMBP752JS · PLUMBING CONTRACTOR · April 10, 2025 to April 10, 2027

  • License BPLUMBP761OE · CONSTRUCTION CONTRACTOR · September 5, 2024 to September 5, 2026

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

Bond

L&I does not publish bond records for contractors with EXPIRED status.

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

Liability insurance

L&I does not publish liability insurance records for contractors with EXPIRED status.

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.

  • BOSTWICK, ANDREW MICHAELSince April 14, 2006

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: A B PLUMBING in MCKENNA. Complaints filed under another name or city are not included.

2 other registered contractors share this business name and city: A B PLUMBING LLC (BPLUMBP752JS, ACTIVE), A B PLUMBING LLC (BPLUMBP761OE, 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 BPLUMPL948JM).