Washington contractor
MOSS BAY PLUMBING LIMITED
First registered in Washington on September 20, 2000
- License number
- MOSSBPL000OO
- UBI
- 602049480
- Trade
- Plumbing(all plumbing contractors in Washington)
- L&I license type and specialty
- CONSTRUCTION CONTRACTOR · PLUMBING
- City
- RENTON, WA(all contractors in Renton)
- Phone
- (425) 868-8446
A newer license record under the same UBI is on file: MOSS BAY PLUMBING LTD, license MOSSBBP790MG, ACTIVE, effective December 16, 2021. 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: 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
- EXPIRED
- Effective date
- September 20, 2000
- Expiration date
- March 15, 2023
- Suspension date
- June 22, 2022
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, 602049480. 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.
- MOSS BAY PLUMBING LTDACTIVE
License MOSSBBP790MG · PLUMBING CONTRACTOR · December 16, 2021 to December 16, 2027
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.
- KNAPIK, BRIAN JOHNSince January 1, 1980
- KNAPIK, MAXINE BIELBYJanuary 1, 1980 to February 9, 2017
- KNAPIK, ANDREW BRIANApril 11, 2006 to March 8, 2013
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: MOSS BAY PLUMBING LIMITED in RENTON. Complaints filed under another name or city are not included.
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
- L&I Contractor License Data - General, Washington State Department of Labor & Industries
- L&I Contractor License Data - Bond, Washington State Department of Labor & Industries
- L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries
- L&I Contractor License - Principal Data, Washington State Department of Labor & Industries
- Attorney General Consumer Complaints, Washington State Attorney General's Office
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 MOSSBPL000OO).