Appalachian Mechanical Services Llc

Mechanical Contractor · Kingsport, Tennessee

License number	76879
Trade	Mechanical Contractor
License holder	Michael W. Duffy
Location	436 TWIN HILLS DR. Email: appmechanicaleasttn@gmail.com Phone: 423-765-1391, Kingsport, TN 37660
Licensed since	2021
License expires	10/31/2027
Status	Current, Active (as of 2026-08-25)

Verify license 76879 on the official Tennessee portal

What this record tells you

Appalachian Mechanical Services Llc holds Tennessee license 76879, authorizing work as a mechanical contractor — 5 years of continuous licensure. It is one of 4 active mechanical contractor licenses in Kingsport, so you have local alternatives to compare quotes against. Confirm the current status on the official state portal before signing a contract.

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This page is generated from Tennessee public license records for consumer-protection purposes. Appalachian Mechanical Services Llc has not claimed this page, is not a sponsor, and no endorsement is implied. Always re-verify license status and insurance before hiring. Verify a Pro is a service operated by Scion Media, not affiliated with any government agency.