ContractorHistory

Washington contractor

APD PLUMBING & MECHANICAL INC

First registered in Washington on May 28, 2021

License number
APDPLMI796K7
UBI
603618152
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
City
OLYMPIA, WA(all contractors in Olympia)
Phone
(360) 482-2257

A newer license record under the same UBI is on file: APD PLUMBING & MECHANICAL INC, license APDPLPM789QP, SUSPENDED, effective November 17, 2022. 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
May 28, 2021
Expiration date
May 28, 2025
Suspension date
November 12, 2024

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

Related licenses

2 other license numbers are registered under the same UBI, 603618152. 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.

  • APD PLUMBING & MECHANICAL INCSUSPENDED

    License APDPLPM789QP · PLUMBING CONTRACTOR · November 17, 2022 to November 17, 2026 · suspension date November 12, 2024

  • A PLUMBING DOCTOR INCRE-LICENSED

    License APLUMDI820RL · CONSTRUCTION CONTRACTOR · December 13, 2018 to December 13, 2020

    L&I describes this status as "relicensed under another name, structure, or specialty." Relicensing is common: a business is given a new license number when it changes its legal structure, name, or specialty.

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.

  • WALTHER, MICHAEL PAULSince May 11, 2021
  • WULF, HEATHER JOYSince May 11, 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: APD PLUMBING MECHANICAL in OLYMPIA. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: APD PLUMBING & MECHANICAL INC (APDPLPM789QP, SUSPENDED). 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 APDPLMI796K7).