ContractorHistory

Washington contractor

MASTER MECHANICAL LLC

Registered in Washington for 8 years

License number
MASTEML83373
UBI
604160950
Trade
HVAC(all hvac contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · Heating/Vent/Air-Conditioning and Refrig (HVAC/R)
City
OLYMPIA, WA(all contractors in Olympia)
Phone
(360) 628-1569

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
October 23, 2017
Expiration date
November 17, 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, 604160950. 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.

  • MASTER MECHANICAL LLCACTIVE

    License MASTEML833P3 · ELECTRICAL CONTRACTOR · October 23, 2017 to November 17, 2027

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

Bond

Current bond

  • Bond company
    Western Surety Co
    Bond number
    63380809
    Amount
    $15,000
    Effective date
    November 17, 2025
    Expiration date
    Until canceled

Bond history

  • Bond company
    Western Surety Co
    Bond number
    63380809
    Amount
    $6,000
    Effective date
    October 10, 2017
    Expiration date
    November 17, 2025

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

Liability insurance

Current policy

  • Carrier
    LIO Insurance Company
    Policy number
    LSIC1100016446-00
    Coverage amount
    $1,000,000
    Effective date
    October 10, 2025
    Expiration date
    October 10, 2026

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.

  • VANSLYKE, DALE ALLENSince October 23, 2017

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: MASTER MECHANICAL in OLYMPIA. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: MASTER MECHANICAL LLC (MASTEML833P3, 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 MASTEML83373).