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United Systems Mechanical LLC

Registered with Washington L&I Active
UNITESM813QO · Electrical Contractor · renews November 2027

From the state register, October 17, 2026. Confirm on L&I, which also shows their bond and insurance.

(206) 933-6036Phone on their state registration Reviews on GoogleOpens Google Maps
HVAC/RSpecialty on the register

Before you hire them

1Check the name on your estimate matches United Systems Mechanical LLC and registration UNITESM813QO.
2Ask whether the job needs a permit, and who pulls it.
3Get a written estimate first. No big cash deposits.
Ask this pro to call me

Free. Goes to one pro registered with Washington L&I.

Referral service, not a contractor. Privacy.

"Get a pro to call me" goes to United Systems Mechanical LLC if they can take it; if not, to one other registered HVAC company near Seattle.

Other registered HVAC companies in Seattle

Accurate Mechanical LLCACCURML766DFGlendale Heating & A/CGLENDHA003CMCello TechnologiesCELLOT*005NWApl Repairs LLCAPLRERL747NMWestworld Airworks LLCWESTWAL757P8Accurate Mechanical LLCACCURML765JS

All HVAC companies in Seattle

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