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Top-Rated Septic system installers and replacers in Johnson City - Updated Nov 2026

Avatar for Black Iron Septics LLC
Black Iron Septics LLC
5.0(
8
)
Septic System - Install or Replace

Serving Johnson City, 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
5 neighbors recently requested a quote
Avatar for Broadys Dirtworx LLC
Broadys Dirtworx LLC
5.0(
10
)
Septic System - Install or Replace

Serving Johnson City, TN and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

Broadys Dirtworx LLC is family owned and operated. We are specialized in grading and excavating. Including site prep for building site, digging basements, digging foundations, road and driveway construction, land clearing & bush hogging, drainage solutions, and we also have rock and dirt delivery available as well. We also install septic systems in Va and Tn\nWe take great pride in our experience, expertise, quality and customer service that we provide to meet your 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.

Excavating Project
Excavating Project
Landscaping Project
Excavating Project
Landscaping Project

+11

4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Atkins Hauling & Excavation
Atkins Hauling & Excavation
5.0(
8
)
Septic System - Install or Replace

Serving Johnson City, TN and surrounding areas

Approved

In business since 2025

Free estimates

Small jobs welcome

Welcome to Atkins Hauling & Excavation, where your plans can become a reality. we cover all your needs from clearing land to Redesign and shape of driveways. draining problems to wanting that eye sore taken off your land or down for a new build or plan, footers to pads for a new building or house. We are a affordable single owned an operated company. licensed and insured

Gallery
Gallery
Gallery
Gallery
Demolition of a house

+3

13 neighbors recently requested a quote
Pinkston Plumbing
4.5(
194
)
Septic System - Install or Replace

Serving Johnson City, TN and surrounding areas

In business since 2003

Free estimates

Credit card accepted

"Doug was great. He arrived first thing Monday morning, removed the old water heater and had the new tankless system installed and ready to go by early afternoon. I appreciated the information he provided and how easy he was to work with. He did a quality job and I would not hesitate to contact him again for other people plumbing needs."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

Recommended by91%of homeowners
Old Faithful
4.4(
31
)
Septic System - Install or Replace

Serving Johnson City, TN and surrounding areas

In business since 2012

Free estimates

"Lester and family were proficient in all services needed which included a septic pump, new cover / riser installation, new main line replacement and formal inspection. Price reasonable and all services rendered were completed in a more than timely manner. Lester always returned calls and was very courteous and knowledgeable to the many questions that were asked. Will definitely have him back if anything is needed for our septic system and he guaranteed all of his work as well."
Response time1 day
Recommended by92%of homeowners
Avatar for Carter and Son LLC
Carter and Son LLC
5.0(
3
)
Septic System - Install or Replace

Serving Johnson City, 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
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

Recommended by100%of homeowners
Avatar for Broady's Dirtworx, LLC
Broady's Dirtworx, LLC
5.0(
9
)
Septic System - Install or Replace

Serving Johnson City, TN and surrounding areas

In business since 2022

Free estimates

Credit card accepted

Broadys Dirtworx LLC is family owned and operated. We are specialized in grading and excavating. Including site prep for building site, septic systems VA/TN, digging basements, digging foundations, road and driveway construction, land clearing & bush hogging, drainage solutions, and we also have rock and dirt delivery available as well. We take great pride in our experience, expertise, quality and customer service that we provide to meet your 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. \nFinancing is available upon request\n\nSerious inquiries only. I want serious leads and serious property/homeowners

pad
pad
land clearing
land clearing
roadway

+21

Response time4 hrs
Response rate95%
Recommended by100%of homeowners
Avatar for KoCo Sales LLC
KoCo Sales LLC
5.0(
3
)
Septic System - Install or Replace

Serving Johnson City, TN and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"I am delighted. Chris Oliver is incredible. He arrived on time!!!! After purveying the land, he advised me that he could overcome the hills, the stones and the creek and complete the install. He is easy to talk to, took the time to explain everything to me and yet extremely professional. He brought his equipment in ... got started and kept going until it was done. Then, he not only smoothed out and cleaned up the surface around the installation, but COMPLETELY CLEANED UP THE DRIVEWAY AND THE WALKWAYS TO INSURE THAT THERE WAS NO MUD LEFT ANYWHERE. And now, I have working toilets and plumbing in my house. I could not have asked for more."
Septic Systems Project
Septic Systems Project
The beginning of the bedrock 3-4 feet under the top soil. The total depth of the tanks resting spot was 8-14 feet based on the slope.
Septic Systems Project
Septic Systems Project

+14

Recommended by100%of homeowners
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FAQs for septic system installation and replacement projects in Johnson City, 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 Johnson City, 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.