Washington contractor
MM COMFORT SYSTEMS
First registered in Washington on October 30, 2017
- License number
- MMCOMCS839PT
- UBI
- 603537854
- Trade
- Electrical(all electrical contractors in Washington)
- L&I license type and specialty
- ELECTRICAL CONTRACTOR · GENERAL
- City
- REDMOND, WA(all contractors in Redmond)
- Phone
- (425) 881-7920
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
- Review: Registration is not currently active
- Review: Registration appears to be expired
- Review: 2 Attorney General complaint records found
- 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
- October 30, 2017
- Expiration date
- October 30, 2023
- Suspension date
- August 29, 2023
Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.
Related licenses
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 COMFOMS804B7 · CONSTRUCTION CONTRACTOR · January 27, 2020 to January 27, 2024
- SULLIVAN HVAC LLCEXPIRED
License SULLIHL812Q1 · CONSTRUCTION CONTRACTOR · November 21, 2019 to November 21, 2023 · suspension date January 12, 2023
- GS HEATING AND COOLING LLCEXPIRED
License GSHEAHC821QR · CONSTRUCTION CONTRACTOR · November 19, 2018 to November 19, 2024 · suspension date December 1, 2022
- MM COMFORT SYSTEMSEXPIRED
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
Chapter 19.28 RCW, the electrical contractor licensing law, requires a bond and does not require liability insurance. L&I's insurance dataset has no policy on file for this contractor.
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.
- CAIRNCROSS & HEMPLEMANNSince October 30, 2017
- RASTETTER, RYAN JSince October 30, 2017
- MILLER, JAYOctober 30, 2017 to June 9, 2021
- MMCS LLCOctober 30, 2017 to June 9, 2021
- PACIFIC NW CAPITAL GROUP LLCOctober 30, 2017 to June 9, 2021
Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced October 9, 2026.
Attorney General complaints
2 Attorney General complaint records found.
Matched on business name and city: MM COMFORT SYSTEMS in REDMOND. Complaints filed under another name or city are not included.
One other registered contractor shares this business name and city: MM COMFORT SYSTEMS (MMCOMCS85564, EXPIRED). 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.
- 2017Contractors
- 2013Contractors
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
- L&I Contractor License Data - General, Washington State Department of Labor & Industries
- L&I Contractor License Data - Bond, Washington State Department of Labor & Industries
- L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries
- L&I Contractor License - Principal Data, Washington State Department of Labor & Industries
- Attorney General Consumer Complaints, Washington State Attorney General's Office
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 MMCOMCS839PT).