Sewer Line Service in Greater Knoxville

Need fast, expert sewer line help today? We repair, replace, and clean sewer lines with licensed Tennessee plumbers and pro-grade hydro jetting. Serving the Greater Knoxville Area, including Knoxville, Oak Ridge, and Maryville. Trusted locally for 30+ years with a 4.9 rating from 1,882 reviews. Get transparent, up-front pricing and long-lasting fixes. Ask about our $250 off sewer line repair and replacement. Call (865) 874-3515 or schedule online now.

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Skilled technicians from The Plumbing Authority deliver precise, reliable trenchless solutions on-site to minimize disruption and protect your property.

Skilled technicians from The Plumbing Authority deliver precise, reliable trenchless solutions on-site to minimize disruption and protect your property.

The Plumbing Authority demonstrates reliable trenching craftsmanship and clean on-site work to deliver durable buried pipe installations.

The Plumbing Authority demonstrates reliable trenching craftsmanship and clean on-site work to deliver durable buried pipe installations.

Skilled technicians from The Plumbing Authority deliver reliable trench and pipe installation with careful workmanship and attention to safety.

Skilled technicians from The Plumbing Authority deliver reliable trench and pipe installation with careful workmanship and attention to safety.

Showing dependable on-site workmanship, The Plumbing Authority delivers professional, homeowner-focused plumbing service with visible care and expertise.

Showing dependable on-site workmanship, The Plumbing Authority delivers professional, homeowner-focused plumbing service with visible care and expertise.

Experienced technicians from The Plumbing Authority quickly and carefully handle a sewer access repair on-site, showing dependable service and workmanship.

Experienced technicians from The Plumbing Authority quickly and carefully handle a sewer access repair on-site, showing dependable service and workmanship.

Dependable trenching and pipe installation protect your home, and The Plumbing Authority delivers professional, tidy results you can trust.

Dependable trenching and pipe installation protect your home, and The Plumbing Authority delivers professional, tidy results you can trust.

A friendly Plumbing Authority technician inspects outdoor connections and explains the solution, giving homeowners confidence in our workmanship.

A friendly Plumbing Authority technician inspects outdoor connections and explains the solution, giving homeowners confidence in our workmanship.

Skilled technicians from The Plumbing Authority deliver careful, professional underground plumbing work with attention to safety and lasting results.

Skilled technicians from The Plumbing Authority deliver careful, professional underground plumbing work with attention to safety and lasting results.

Each image is a real worksite photo, reflecting the quality and dedication in every project.

Why Choose Us

Licensed TN plumbersAll technicians hold current Tennessee licenses and carry insurance.
30+ years localServing Knoxville-area homeowners for over three decades.
Up-front pricingClear estimates before work starts. No surprises on your bill.
Sewer & jetting prosProfessional-grade hydro jetting for tough roots and heavy buildup.
Top-rated service4.9 rating from 1,882 reviews.

What Our Customers Say

professionalism
"The folks at Plumbing Authority were quick, thorough, friendly, and professional when replacing our sewage and water lines."
— Homeowner review
speed
"The Plumbing Authority provided excellent service and was able to quickly resolve our issue."
— Homeowner review
communication
"Jake Newman text before arriving, was on time, and he offered two solutions providing the possible outcome of each."
— Homeowner review

Helpful Tips & Maintenance Advice

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Knoxville TN Sewer Line Repair: Fix Clogs Naturally

Estimated Read Time: 11 minutes

If all your drains are slow or you hear gurgling, you may be dealing with a main line clog. Many homeowners ask how to unclog a main sewer line using baking soda and vinegar. This safe DIY test can help with light buildup while you decide next steps. Below, you’ll ...

March 30, 2026Read More

Oak Ridge Sewer Line Replacement Costs & Benefits — Plumbing Guide

Estimated Read Time: 9 minutes

If you are comparing options for trenchless sewer line replacement, you want clear costs, zero surprises, and a fast fix that protects your yard. This guide explains trenchless sewer line replacement in plain terms, what it costs in Knoxville, and when lining or bur...

March 24, 2026Read More

Maryville, TN Sewer Line Backups: 6 Common Causes & Fixes

Estimated Read Time: 9 minutes

A sewer line backup is more than a bad smell. It can shut down your home in a hurry, damage floors, and create a health risk. If you suspect a sewer line backup, the fastest fix is a precise diagnosis and the right repair plan. At The Plumbing Authority, we help Kno...

March 23, 2026Read More

Service Areas We Cover

What areas do you serve for sewer line?

We serve the Greater Knoxville Area, including Knoxville, Oak Ridge, and Maryville. See the complete list of communities we visit below.

Greater Knoxville Area
Knoxville, TNOak Ridge, TNMaryville, TN

Complete Service Area:

Maynardville, TNBriceville, TNLoudon, TNBlaine, TNLuttrell, TNMascot, TNKnoxville, TNLouisville, TNNorris, TNLenoir City, TNTalbott, TNAndersonville, TNRockford, TNWhite Pine, TNKodak, TNJacksboro, TNJefferson City, TNPowell, TNOliver Springs, TNRutledge, TNSeymour, TNPowder Springs, TNHeiskell, TNFarragut, TNStrawberry Plains, TNRocky Top, TNDandridge, TNNew Market, TNCaryville, TNKingston, TNSevierville, TNFriendsville, TNCorryton, TNClinton, TNSharps Chapel, TNMaryville, TNAlcoa, TNOak Ridge, TNHalls, TNWalland, TN

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