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Williamson County, Tennessee

Licensed Septic Companies in Williamson County, TN

25 septic companies serve Williamson County, Tennessee, and 22 of them hold a Tennessee septic license or certification matched to the Tennessee Department of Environment and Conservation list (data as of October 2026).

Septic services in Williamson County

Guides: Septic tank pumping · Septic system installation · Septic inspection · Septic repair · Drain field repair · Installation cost · Pumping cost

25 septic companies in Williamson County

Franklin 8

  • Binkley's Backhoe Service

    5505 Hargrove Rd, Franklin, TN 37064

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CLM) · #11766 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 476-1792

  • E & H Backhoe

    5393A Hargrove Road, Franklin, TN 37064

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CLM) · #12491 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 613-1922

  • G&M Plumbing CO

    105 Se Parkway #112, Franklin, TN 37064

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #18074 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 996-6770

  • Glenn D. Ingram

    4494 Long Lane, Franklin, TN 37064

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CL) · #12024 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 578-3354

  • Keith Knight

    4235 Peytonville Trinity Road, Franklin, TN 37964

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CLM) · #11750 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 794-2194

  • L&L Septic

    2051 Carters Creek Pike, Franklin, TN 37064

    From their website: Pumping · Installation · Inspection · Drain field

    (615) 456-7351 llseptic.com

  • Outright Septic

    1126 Harpeth Industrial Ct Ste 12, Franklin, TN 37064

    From their website: Pumping · Inspection · Risers & lids · Grease traps

    (615) 558-8144 outrightseptic.com

  • Septic Masters LLC

    166 Acton St B, Franklin, TN 37064

    From their website: Pumping · Inspection · Repair

    (615) 972-1855 septicmasters.info

Fairview 5

  • Bob Kennedy Builders, LLC

    7410 Sugar Camp Hollow Road, Fairview, TN 37062

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #10600 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 799-0173 bobkennedybuilders.com

  • Crafton Backhoe & Septic Tank Systems

    7206 Sugar Maple DR, Fairview, TN 37062

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CLM) · #11572 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 566-8873

  • Darrell Hollars Construction

    P.O. Box 68, Fairview, TN 37062

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #12800 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 533-4327

  • Jason Carter Backhoe

    2921 Fairview Blvd, Fairview, TN 37062

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CLM) · #143 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 394-7585

  • Ross Hunt Contracting, LLC

    7480 Horn Tavern Road, Fairview, TN 37062

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #12611 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 347-3201

Spring Hill 3

  • Darrell Gottschalk

    1000 Worthington Lane, Suite 17104, Spring Hill, TN 37174

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CLM) · #12784 (Tennessee Department of Environment and Conservation, verify)
    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CLM) · #12394 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 794-1776

  • Lawson Excavating L.L.C.

    2810 Cochran Trace, Spring Hill, TN 37174

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CLM) · #13710 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (620) 218-6161

  • Southern Legacy Construction

    5014 Paddy Trce, Spring Hill, TN 37174

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #11880 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 207-2366 southernlegacyconstructiontn.com

College Grove 2

  • Ashley Daniels

    6904 Arno Allisona Rd, College Grove, TN 37046

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CLM) · #13542 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 416-0545

  • S and S Hauling LLC- W. Smith

    6826 Comstock Rd, College Grove, TN 37046

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #13519 (Tennessee Department of Environment and Conservation, verify)
    • Licensed: Tennessee TDEC Permitted Septic Installer (Type C) · #13520 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 653-2432

Nolensville 2

  • Julie Todesco

    2714 Sanford Road, Nolensville, TN 37135

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CLM) · #14302 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (504) 416-3730

  • Septic Maintenance

    Po Box 9, Nolensville, TN 37135

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CL) · #11207 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 776-2090

Elsewhere in Williamson County 1

  • Jordan grading and excavation LLC

    2649 Thompson station rd east, TN

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CLM) · #13124 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 403-0340

Brentwood 1

  • MAC Septic LLC

    1107 Franklin Rd, Brentwood, TN 37027

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CLM) · #14228 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (843) 834-8946

Thompson Station 1

  • Harper Backhoe

    6646 Cool Springs Road, Thompson Station, TN 37179

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CLM) · #6024 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 419-2217

Thompson'S Station 1

  • Buddy Tomlin Jr/Williamson County Septic

    Service, Thompson'S Station, TN 37179

    • Licensed: Tennessee TDEC Permitted Septic Installer (Type CLM) · #11782 (Tennessee Department of Environment and Conservation, verify)

    Per state license: Installation

    (615) 790-0543

Thompson's Station 1

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 Williamson 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 Williamson County: common questions

How many licensed septic companies are in Williamson County, TN?

25 septic companies serve Williamson County, Tennessee, and 22 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 pump septic tanks in Williamson County?

3 of the 25 listings in Williamson County offer septic tank pumping, either on their own website or under a state pumper license. Use the service filter above to show only those companies.

Which companies install septic systems in Williamson County?

23 listings in Williamson 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.