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Find Septic system installers and replacers in Knoxville

Avatar for HC Landscaping and Septic
HC Landscaping and Septic
5.0(
18
)
Septic System - Install or Replace

Serving Knoxville, TN and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"These guys worked really, really hard for two days in the hot sun. They were able to diagnose our septic problem of many years and fix it. I highly recommend them, and I will call on them again when I need help. -- Pat Daley"
Rough grade
Adding Drainage for Yard
Installing Septic Field
Line was busted
Fixed irrigation

+21

Response time1 day
Response rate99%
9 neighbors recently requested a quote
Avatar for Black Iron Septics LLC
Black Iron Septics LLC
5.0(
6
)
Septic System - Install or Replace

Serving Knoxville, TN and surrounding areas

Approved

In business since 2025

Free estimates

Small jobs welcome

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Septic drain field
Drain field clogged
Response time1 day
6 neighbors recently requested a quote
Avatar for Elliott & Son Excavating LLC
Elliott & Son Excavating LLC
5.0(
11
)
Septic System - Install or Replace

Serving Knoxville, TN and surrounding areas

Approved

In business since 2022

Free estimates

Offers commercial services

With 25+ years of experience, we offer land development for customers owning 0.25 acre up to 100 acres. Our areas of expertise include excavating, house pads, land clearing, septic system installations, driveways and retaining walls. If you're looking for an honest, reliable company providing services at a fair price, contact Elliott & Son Excavating LLC today!

2” sewer line
Kiser Home
2” sewer line
Kiser Home
2” sewerline

+14

2 neighbors recently requested a quote
Recommended by54%of homeowners
Blaine Henry Excavating LLC
4.2(
13
)
Septic System - Install or Replace

Serving Knoxville, TN and surrounding areas

Approved

In business since 2018

Free estimates

Offers commercial services

"I had standing water in my yard for some time now and I needed someone asap to adress the drainage problem in my back yard. I contacted them through home advisor and Blaine got back to me within minutes. Within hours he was at my home talking me through the work that would be done and the next day I received a bid. He had an operator on the site within a week of initial contact and the work performed was exactly executed to the specifications they laid out for me for the initial bid. The men were on time everyday and took no breaks except to go on lunch. The work afterwards was immaculate, absolutely perfect, the way I envisioned. Blaine sent me an invoice and it was in the range he quoted me for the work. I would highly recommend them for their professionalism, work ethic, and great pricing for otherwise expensive work. I would highly recommend them"
Response time1 day
12 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Carter and Son LLC
Carter and Son LLC
5.0(
3
)
Septic System - Install or Replace

Serving Knoxville, TN and surrounding areas

In business since 2022

Free estimates

Credit card accepted

We offer a high-quality experience and we can tailor every job to what your home needs. We are dedicated to our service, and we believe our work will show this. We offer all excavation services from land clearing to site management licenses in septic systems installation and repair. No job to big or small. Family owned and ran. All of our members will be there when scheduled and take pride in our work to make sure your project gets done right the first time. Please call or click for a free estimate today! 10% discount for all senior citizens, and active, and prior first responders and military. Just let us know when we come look at your project.

Additional Photos
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+1

Recommended by100%of homeowners
Avatar for Jones Construction & Consulting
Jones Construction & Consulting
3.8(
7
)
Septic System - Install or Replace

Serving Knoxville, TN and surrounding areas

In business since 2017

Free estimates

Credit card accepted

"Needed to replace my entire Septic system: 1. Prompt response 2. Wonderful communication. DJ exlained everything to the very last detail. 3. Crew showed up on time and completed on time. And all for the lowest cost of 3 estimates. It simply doesn't better than that! thanks"
Jefferson City Septic
Jefferson City Septic
Jefferson City Septic
Jefferson City Septic
Jefferson City Septic

+1

Response time5 days
Recommended by100%of homeowners
Showing 1-10 of 27
FAQs for septic system installation and replacement projects in Knoxville, TN

Most septic system replacements require several days to complete, not including permitting and preparation time. The process begins with site assessment and testing, followed by excavation, component installation, and final inspection. Weather conditions, property accessibility, and inspection schedules can all affect your project timeline. Your contractor can provide a more specific estimate based on your property's unique characteristics.

Standard homeowners' insurance policies don't cover septic system replacement due to age or normal deterioration. Coverage may apply if damage results from specific covered events, but routine maintenance and eventual replacement are generally considered homeowner responsibilities. Review your policy details or speak with your insurance agent to understand your specific coverage limitations.

Look for multiple indicators such as slow-draining fixtures, unusual gurgling sounds in plumbing, sewage odors inside or outside your home, or wet spots in your yard. Unusually lush grass over the drain field area, frequent backups, or recurring repair needs might signal system failure. Addressing these warning signs promptly can prevent property damage and health hazards.

DIY septic installation is not recommended and may violate local regulations. Professional installation ensures compliance with health codes, proper design for your specific site conditions, and appropriate safety measures. The specialized equipment, technical knowledge, and permitting requirements make this a job best left to licensed professionals who can guarantee the system's safety and effectiveness.

With proper maintenance, including regular pumping, a drain field lasts 20 years. Various factors influence system longevity, including household size, water usage patterns, and soil conditions. Regular professional inspections can help determine when replacement becomes necessary. If your system requires increasingly frequent repairs, replacement might be more economical than continuing to address individual problems.

The Knoxville, TN homeowners’ guide to septic system installations and replacements

From average costs to expert advice, get all the answers you need to get your job done.