Licensed Septic Companies in Unicoi County, TN
8 septic companies serve Unicoi County, Tennessee, and 8 of them hold a Tennessee septic license or certification matched to the Tennessee Department of Environment and Conservation list (data as of October 2026).
8 septic companies in Unicoi County
Erwin 3
-
I26 Truck Parts
1407 S Buffalo St, Erwin, TN 37647
- Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #11055 (Tennessee Department of Environment and Conservation, verify)
Per state license: Installation
-
Lewis Excavating & Grading
1675 Jackson Love Highway, Erwin, TN 37650
- Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #12441 (Tennessee Department of Environment and Conservation, verify)
Per state license: Installation
-
Low Gap Contractors, LLC
398 Gilbert Rd, Erwin, TN 37650
- Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #13722 (Tennessee Department of Environment and Conservation, verify)
Per state license: Installation
Unicoi 3
-
Blue Ridge Mountain Property Services, LLC
611 Scioto Road, Unicoi, TN 37692
- Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #13106 (Tennessee Department of Environment and Conservation, verify)
Per state license: Installation
-
Hensley Excavating
3197 Unicoi Dr, Unicoi, TN 37692
- Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #12414 (Tennessee Department of Environment and Conservation, verify)
Per state license: Installation
-
Old Faithful Septic Services
150 Homestead Hideaway, Unicoi, TN 37692
- Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #11125 (Tennessee Department of Environment and Conservation, verify)
Per state license: Installation
Elsewhere in Unicoi County 1
-
Tim Bowman Construction
236 Guy Erwin Rd, TN
- Licensed: Tennessee TDEC Permitted Septic Installer (Type CL) · #11181 (Tennessee Department of Environment and Conservation, verify)
Per state license: Installation
Flag Pond 1
-
Mainer'S Backhoe Service
560 Hensley Road, Flag Pond, TN 37657
- Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #109 (Tennessee Department of Environment and Conservation, verify)
Per state license: Installation
No listings match those filters.
Septic licensing in Tennessee
Tennessee permits septic installers yearly by system type; permits expire December 31. The Tennessee Department of Environment and Conservation, Division of Water Resources issues these credentials: Conventional installer permit; Alternative system permits (low-pressure pipe, mound, lagoon, aerobic); Pumper permit.
Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Unicoi County and whether the permit fee is in their quote.
Tennessee septic licensing: agencies, license types and how to check a license →
Septic companies in Unicoi County: common questions
How many licensed septic companies are in Unicoi County, TN?
8 septic companies serve Unicoi County, Tennessee, and 8 of them hold a Tennessee septic license or certification matched to the Tennessee Department of Environment and Conservation list (data as of October 2026). Each license badge on this page names the agency and links to its lookup so you can confirm it.
Who licenses septic contractors in Tennessee?
Tennessee permits septic installers yearly by system type; permits expire December 31. The licensing body is the Tennessee Department of Environment and Conservation, Division of Water Resources.
Which companies install septic systems in Unicoi County?
8 listings in Unicoi County install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their Tennessee license.
How do I check a septic contractor's license in Tennessee?
Use the Tennessee Department of Environment and Conservation, Division of Water Resources's lookup (https://www.tn.gov/environment/permits/water/septic-systems-permits.html) and search the contractor's name or license number. Our guide to checking a septic license walks through it.