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License verified · Maine Fuel Board

Jonathan B. Karkos

+1 207-491-5589
Verification ledger

What we checked, and what we didn't

Checked against the register at build time (Oct 31, 2026).
Maine contractor licenseMaine Office of Professional and Occupational Regulation, Maine Fuel Board (ALMS Online) · number MS30020120 · expires February 28, 2027. 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

Jonathan B. Karkos, in brief

Jonathan B. Karkos runs an HVAC contracting business in Waterville, ME. The Maine Fuel Board register lists license MS30020120 for this business through February 2027.

HVAC contractor
Questions about this contractor

Before you call Jonathan B. Karkos

01

Is Jonathan B. Karkos a licensed HVAC contractor?

Yes. This business's license, MS30020120, matches an active entry on the Maine Fuel Board register with an expiry of February 28, 2027. The official lookup lets you verify it directly.

Sources: Maine Office of Professional and Occupational Regulation, Maine Fuel Board (ALMS Online) register.Report a correction
Alternatives

Other HVAC contractors near Jonathan B. Karkos

Nearest listings we hold in Waterville. Same license check on every one.