ContractorHistory

Washington contractor

WILLIAMS MECHANICAL INC

Registered in Washington for 34 years

License number
WILLIMI088PA
UBI
601413863
Trade
General contractor(all general contractor contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · GENERAL
City
EVERETT, WA(all contractors in Everett)
Phone
(425) 303-0828

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: 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
ACTIVE
Effective date
October 1, 1992
Expiration date
October 1, 2027

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, 601413863. 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 WILLIMI795MF · PLUMBING CONTRACTOR · July 1, 2021 to July 1, 2027

  • License WILLIMI894C5 · ELECTRICAL CONTRACTOR · March 3, 2011 to March 3, 2027 · suspension date September 1, 2026

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

Bond

Current bond

  • Bond company
    Merchants Bonding Co (Mutual)
    Bond number
    WA33987
    Amount
    $30,000
    Effective date
    October 1, 2025
    Expiration date
    Until canceled

Bond history

  • Bond company
    Merchants Bonding Co (Mutual)
    Bond number
    WA33987
    Amount
    $12,000
    Effective date
    October 1, 2014
    Expiration date
    October 1, 2025

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

Liability insurance

Current policy

  • Carrier
    Western National Assur Co
    Policy number
    0001912599
    Coverage amount
    $1,000,000
    Effective date
    September 30, 2026
    Expiration date
    September 30, 2027
  • Carrier
    Western National Assur Co
    Policy number
    CPP1248017
    Coverage amount
    $1,000,000
    Effective date
    September 30, 2024
    Expiration date
    September 30, 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.

  • WILLIAMS, BRADLEY PATRICKSince January 1, 1980
  • WILLIAMS, DEBORAH KAYSince January 1, 1980
  • WILLIAMS, DEBORAH KAYSince September 27, 2011
  • ZUCCARINI, MICHAEL JJanuary 1, 1980 to January 1, 1980

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: WILLIAMS MECHANICAL in EVERETT. Complaints filed under another name or city are not included.

2 other registered contractors share this business name and city: WILLIAMS MECHANICAL INC (WILLIMI795MF, ACTIVE), Williams Mechanical Inc (WILLIMI894C5, 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 WILLIMI088PA).