Northwoods Heating
What ProveHound checked
| State license | Washington L&I Construction Contractor (Heating/Vent/Air-Conditioning And Refrig (HVAC/R)) #NORTHH*801DO · expires Apr 14, 2028 · official record Washington L&I · checked 2026-11-07 |
| On record since | On record since 2020 State records |
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