Licensed Septic Companies in Cosby, TN
6 septic companies serve Cosby, Tennessee, and 6 of them hold a Tennessee septic license or certification matched to the Tennessee Department of Environment and Conservation list (data as of October 2026).
6 septic companies in Cosby
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Grooms & Son Backhoe
175 Deerfoot Road, Cosby, TN 37722 · Cocke County
- Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #2372 (Tennessee Department of Environment and Conservation, verify)
Per state license: Installation
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Kelly Williamson
1230 Sunset Gap Road, Cosby, TN 37722 · Cocke County
- Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #11386 (Tennessee Department of Environment and Conservation, verify)
Per state license: Installation
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Kurtis Brady
359 Sub Road, Cosby, TN 37722 · Cocke County
- Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #13455 (Tennessee Department of Environment and Conservation, verify)
Per state license: Installation
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Phillips Construction
4171 Trail Hollow Road, Cosby, TN 37722 · Cocke County
- Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #2388 (Tennessee Department of Environment and Conservation, verify)
Per state license: Installation
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Ricky’s Construction
PO Box 82, Cosby, TN 37722 · Cocke County
- Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #11964 (Tennessee Department of Environment and Conservation, verify)
Per state license: Installation
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Rocky Top Site Works, LLC
1505 Wrights Lane, Cosby, TN 37066 · Sumner County
- Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #13777 (Tennessee Department of Environment and Conservation, verify)
From their website: Installation
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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 Cosby and whether the permit fee is in their quote.
Tennessee septic licensing: agencies, license types and how to check a license →
Septic companies in Cosby: common questions
How many licensed septic companies are in Cosby, TN?
6 septic companies serve Cosby, Tennessee, and 6 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 Cosby?
6 listings in Cosby 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.