ContractorHistory

Washington contractor

DZ MECHANICAL

First registered in Washington on August 1, 2014

License number
DZMECM*863NA
UBI
601250204
Trade
Plumbing(all plumbing contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · PLUMBING
City
MONROE, WA(all contractors in Monroe)
Phone
(206) 305-7879

A newer license record under the same UBI is on file: DZ MECHANICAL, license DZMECM*781B7, ACTIVE, effective March 10, 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: 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
August 1, 2014
Expiration date
September 6, 2022
Suspension date
September 11, 2021

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

One other license number is registered under the same UBI, 601250204. 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 DZMECM*781B7 · PLUMBING CONTRACTOR · March 10, 2022 to March 10, 2028

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.

  • WYCOFF, DONALD EDWARDSince August 1, 2014

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: DZ MECHANICAL in MONROE. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: DZ MECHANICAL (DZMECM*781B7, 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 DZMECM*863NA).