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Pipes exposed in an excavation

Knoxville, TN · plumbing service

Sewer Line Repair in Knoxville, TN

Older laterals on hilly lots crack and shift. Call to be connected with an independent, licensed plumber who handles sewer line repair in Knoxville; they diagnose the problem and quote the work before starting.

By calling, you agree to be connected with an independent plumbing contractor serving your area. Calls may be recorded for quality and training. The call and referral are free, and you are never obligated to hire.
  • Licensed local plumbers
  • Free call and referral
  • You approve the quote first

Common signs

  • Several drains slow at once
  • gurgling
  • sewage smell

Sewer Line Repair services in Knoxville

Problems sewer line repair fixes

  • Several drains slow or backing up together
  • Sewage smell in the yard or basement
  • Soggy, sunken or unusually green patches over the line
  • Roots or breaks found on a camera inspection

Why sewer line repair comes up in Knoxville

Older laterals on hilly lots crack and shift.

57% of Knoxville's homes were built before 1980, when sewer laterals were commonly clay or cast iron. Clay joints let roots in and cast iron corrodes and scales, so a camera inspection is the first step before paying for a repair.

Typical home built
1974
Homes before 1980
57%
Water hardness
5.3 gpg
moderately hard
Winter freezes
Occasional hard freezes

How the work is done

  1. 1Camera inspectionThe plumber locates the defect and measures its depth and distance from the cleanout.
  2. 2Choose the repairSpot repair, pipe lining, pipe bursting or full replacement, depending on the damage and access.
  3. 3Permit and locatesUtility locates and, where required, a sewer permit and inspection come before digging.
  4. 4Repair and verifyA final camera pass or flow test confirms the line is clear.

What affects the price

The plumbing company sets the price after seeing the job; ask for it in writing before work starts.

  • Depth and length of the damaged section
  • Excavation versus trenchless methods
  • Pipe material and condition
  • Driveways, trees or landscaping over the line
  • Permit and inspection requirements

Plumbing work we connect Knoxville homeowners with

Sewer Line Repair in Knoxville: questions

Is the part of my sewer pipe under the Knoxville street my responsibility?

Yes. KUB's rules define the private service lateral as running from KUB's main to your building, including the part in the public right of way, and the owner must maintain and repair it.

Why is sewer line repair a common call in Knoxville?

Older laterals on hilly lots crack and shift.

How old are most homes in Knoxville?

The median home in Knoxville was built in 1974, and 57% of homes were built before 1980 (U.S. Census Bureau, American Community Survey).

Does sewer line repair in Knoxville need a permit?

Usually, when piping changes; the plumber normally pulls it.

Can recurring clogs in Knoxville mean a sewer line problem?

Yes. When several drains back up together, the main sewer line is the likely cause, and a camera inspection shows whether it's roots, a sag or a break. In Knoxville: older laterals on hilly lots crack and shift.

Who supplies water in Knoxville?

Knoxville Utilities Board. Past the meter, plumbing is the owner's.

Sewer Line Repair near Knoxville

More plumbing services in Knoxville

Local rules and details for Knoxville

Knoxville facts behind this page

For sewer line repair that changes or replaces piping, Knoxville's plumbing code and permit rules apply (see the source below). Ask the plumber whether your job needs a permit and who pulls it; a licensed plumber normally does.

  • The median home in Knoxville was built in 1974. [1]
  • About 57% of Knoxville's housing units were built before 1980, the era of galvanized steel supply pipe, cast iron drains and clay sewer laterals. [1]
  • Tennessee's adopted plumbing code is the 2021 International Plumbing Code, and plumbing contractors are licensed by the state Board for Licensing Contractors. [2]
  • Knoxville Utilities Board's wastewater rules define a private service lateral as the sanitary sewer pipe, including the portion in the public right of way, running from KUB's wastewater main to the building served. Each property owner is entirely responsible for maintaining, repairing and rehabilitating that lateral under KUB standards and the plumbing code, and all costs of installing, connecting and inspecting it are borne by the owner. [3]

Knoxville rules and programs for sewer line repair

  • Knoxville Utilities Board's wastewater rules define a private service lateral as the sanitary sewer pipe, including the portion in the public right of way, running from KUB's wastewater main to the building served. Each property owner is entirely responsible for maintaining, repairing and rehabilitating that lateral under KUB standards and the plumbing code, and all costs of installing, connecting and inspecting it are borne by the owner. [3]

Other common plumbing calls in Knoxville

Sources (3)
  1. U.S. Census Bureau, ACS 2024 1-year (B25035) · checked 2026-10-01
  2. Tennessee State Fire Marshal's Office, Currently Adopted Codes · checked 2026-10-01
  3. Knoxville Utilities Board, Wastewater Division Rules and Regulations (Resolution 1347) · checked 2026-10-20
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