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License verified · Washington L&I

Master Heating & Cooling LLC

PO BOX 7261
+1 509-300-1111
Verification ledger

What we checked, and what we didn't

Checked against the register at build time (Oct 31, 2026).
Washington contractor licenseWashington State Department of Labor & Industries · number MASTEHC780NK · expires August 20, 2028. Matched to this business on name.Verified
Business contactphone on file.On file
Public reviewsNo public review profile in our data. License-register listings often have none — ask for two recent local references instead.None found
Insurance & bondingNot checked by AirProHQ. Ask for the certificate of insurance before work starts — the state requires cover to hold the license, but we don't see the policy.Ask them
WorkmanshipNot inspected. A license says who is allowed to do the job, not how well it was done.Ask for references
Checked against the register at build time (Oct 31, 2026). Confirm it yourself — about thirty seconds. See our full verification methodology.Open the official lookup
About

Master Heating & Cooling LLC, in brief

Master Heating & Cooling LLC is an HVAC contractor at PO BOX 7261. We matched license MASTEHC780NK to this business on the Washington L&I register through August 2028.

HVAC contractor
Questions about this contractor

Before you call Master Heating & Cooling LLC

01

Is Master Heating & Cooling LLC a licensed HVAC contractor?

Yes. This business's license, MASTEHC780NK, matches an active entry on the Washington L&I register with an expiry of August 20, 2028. The official lookup lets you verify it directly.

Sources: Washington State Department of Labor & Industries register.Report a correction
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