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Find a registered pro in Mill Creek
Snohomish County, Washington · 24 registered with the state
24 plumbers, electricians, HVAC, septic, tree and garage door businesses with a Mill Creek address are registered with Washington L&I. Pick a trade to see who they are.
Updated October 16, 2026 from the state register
Photo: SounderBruce, CC BY-SA 4.0, via Wikimedia Commons
What do you need?
4HVAC companiesregistered here
0Septic and side-sewer contractorsnone based here
0Tree servicesnone based here
1Garage door companiesregistered here
3Plumbersregistered here
16Electriciansregistered here
Common problems
Water leaking through the ceiling?No hot water?Drain or toilet blocked?Sewage backing up?Breaker keeps tripping?Burning smell from an outlet?Lights flickering?No heat?AC or heat pump not cooling?Septic backing up?Tree leaning or cracked?Storm damage to a tree?Garage door won't open?Broken garage door spring?
Nearby
Sources
Washington L&I contractor license data · The state's public register, refreshed here daily.
L&I Verify a Contractor · The official lookup, with bond, insurance and lawsuit details.