ContractorHistory

Washington contractor

WALLNER PLUMBING CO INC

Registered in Washington for 34 years

License number
WALLNPC088LH
UBI
601386550
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
City
BOTHELL, WA(all contractors in Bothell)
Phone
(425) 481-3468

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 8, 1992
Expiration date
August 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, 601386550. 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
    LSM1455943
    Amount
    $30,000
    Effective date
    March 25, 2025
    Expiration date
    Until canceled

Bond history

  • Bond company
    RLI Ins Co
    Bond number
    LSM1455943
    Amount
    $12,000
    Effective date
    May 12, 2023
    Expiration date
    March 26, 2025
  • Bond company
    RLI Ins Co
    Bond number
    LSM1455943
    Amount
    $6,000
    Effective date
    March 26, 2021
    Expiration date
    May 12, 2023
  • Bond company
    Contractors Bonding & Insurance Co
    Bond number
    46WB102150
    Amount
    $6,000
    Effective date
    April 27, 2019
    Expiration date
    Not on record
    Cancellation date
    April 28, 2021

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

Liability insurance

Current policy

  • Carrier
    TRI-STATE INSURANCE COMPANY OF
    Policy number
    ADV604571225
    Coverage amount
    $1,000,000
    Effective date
    March 23, 2026
    Expiration date
    March 23, 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.

  • WALLNER, ADAM STEPHENSince April 26, 2019
  • WALLNER, TIARA JOYSince April 26, 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: WALLNER PLUMBING in BOTHELL. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: WALLNER PLUMBING CO INC (WALLNPC780DG, 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 WALLNPC088LH).