Mainstream Mechanical Corp

Listed · electrical, hvac · Edmonds

What ProveHound checked

State license	Washington L&I Construction Contractor (Heating/Vent/Air-Conditioning And Refrig (HVAC/R)) #MAINSM*945JF · expires Apr 24, 2028 · official record Washington L&I · checked 2026-11-07
On record since	On record since 2006 State records

Verify directly with the state and the pro before hiring. Only checked facts are shown. How it works · Request a correction