ContractorHistory

Washington contractor

COMFORT MECHANICAL SERVICS LLC

First registered in Washington on January 27, 2020

License number
COMFOMS804B7
UBI
603537854
Trade
HVAC(all hvac contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · Heating/Vent/Air-Conditioning and Refrig (HVAC/R)
City
BELLEVUE, WA(all contractors in Bellevue)
Phone
(425) 629-1034

A newer license record under the same UBI is on file: HOME COMFORT ALLIANCE LLC, license HOMECCA751QG, ACTIVE, effective November 7, 2025. 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: 8 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
January 27, 2020
Expiration date
January 27, 2024

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

8 other license numbers are registered under the same UBI, 603537854. 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 HOMECCA751QG · PLUMBING CONTRACTOR · November 7, 2025 to November 7, 2027

  • License HOMECCA782DC · ELECTRICAL CONTRACTOR · February 8, 2022 to February 8, 2028

  • License HOMECCA785BD · CONSTRUCTION CONTRACTOR · January 4, 2022 to January 4, 2028

  • MMCS LLCSUSPENDED

    License MMCSLL*794OP · PLUMBING CONTRACTOR · November 11, 2021 to November 11, 2027 · suspension date January 1, 2026

  • License SULLIHL812Q1 · CONSTRUCTION CONTRACTOR · November 21, 2019 to November 21, 2023 · suspension date January 12, 2023

  • License GSHEAHC821QR · CONSTRUCTION CONTRACTOR · November 19, 2018 to November 19, 2024 · suspension date December 1, 2022

  • License MMCOMCS839PT · ELECTRICAL CONTRACTOR · October 30, 2017 to October 30, 2023 · suspension date August 29, 2023

  • License MMCOMCS85564 · CONSTRUCTION CONTRACTOR · September 24, 2015 to September 24, 2023

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.

  • RASTETTER, RYANSince August 18, 2023
  • MILLER, JAY MICHAELJanuary 27, 2020 to April 23, 2024

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: COMFORT MECHANICAL SERVICS in BELLEVUE. Complaints filed under another name or city are not included.

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 COMFOMS804B7).