ContractorHistory

Washington contractor

NORTHWEST COMFORT SYSTEMS INC

Registered in Washington for 27 years

License number
NORTHCS015KK
UBI
601937427
Trade
HVAC(all hvac contractors in Washington)
L&I license type and specialty
CONSTRUCTION CONTRACTOR · Heating/Vent/Air-Conditioning and Refrig (HVAC/R)
City
AUBURN, WA(all contractors in Auburn)
Phone
(253) 735-5236

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
May 12, 1999
Expiration date
May 4, 2028

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, 601937427. 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 NORTHCS006KA · ELECTRICAL CONTRACTOR · May 23, 2001 to November 16, 2019 · suspension date November 9, 2017

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

Bond

Current bond

  • Bond company
    American Contractors Indem CO
    Bond number
    100245694
    Amount
    $15,000
    Effective date
    April 17, 2026
    Expiration date
    Until canceled

Bond history

  • Bond company
    American Contractors Indem CO
    Bond number
    100245694
    Amount
    $6,000
    Effective date
    April 17, 2014
    Expiration date
    April 17, 2026

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

Liability insurance

Current policy

  • Carrier
    Ohio Security Ins Co
    Policy number
    BWG70469852
    Coverage amount
    $1,000,000
    Effective date
    April 17, 2026
    Expiration date
    April 17, 2027

Insurance history

  • Carrier
    Truck Ins Exchange
    Policy number
    606229138
    Coverage amount
    $1,000,000
    Effective date
    April 17, 2025
    Expiration date
    April 17, 2027
    Cancellation date
    April 17, 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.

  • CONNER, LARRY LOWELLSince May 12, 1999
  • SIEGMAN, MICHAEL DARRINSince February 9, 2010
  • RANKIN, BRUCEMay 12, 1999 to February 9, 2010
  • SIEGMAN, MICHAEL DMay 12, 1999 to February 9, 2010
  • WALKER, RONALD AMay 12, 1999 to February 9, 2010

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: NORTHWEST COMFORT SYSTEMS in AUBURN. Complaints filed under another name or city are not included.

One other registered contractor shares this business name and city: NORTHWEST COMFORT SYSTEMS INC (NORTHCS006KA, 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.

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 NORTHCS015KK).