License, bond, and insurance
What Trusted Contractor checked for Alton Heating & Mech LLC, and when.
Washington State Department of Labor & Industries
ALTON HEATING & MECH LLC
WA license ALTONHM772NG
- License
- active, expires Sep 1, 2027
Heating/Vent/Air-Conditioning And Refrig (Hvac/R) - Bond
- on file with Philadelphia Indemnity Ins Co, $15,000, until canceled
- Insurance
- on file with Main Street America Protection, $1,000,000, expires Sep 1, 2027
Last checked Nov 4, 2026, 7:26 PM Pacific against Washington L&I public data (General (m8qx-ubtq), Bond (bzff-4fmt), Insurance (ciwg-agsx)). We read every Washington and Oregon license from state data each day, and again when this page opens more than 12 hours after the last check. The state itself can take a few days to post changes. Check again now
See Alton Heating & Mech LLC's reviews
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Recent checks
- Nov 4, 2026, 7:26 PM PacificNo change
- Nov 1, 2026, 10:31 PM PacificNo change
- Nov 1, 2026, 3:58 AM PacificNo change