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Find Septic system installers and replacers in Knoxville

Avatar for Black Iron Septics LLC

Black Iron Septics LLC

5.00(
5
)
Approved Pro

Black Iron Septics LLC

5.00(
5
)
Approved Pro
Free onsite estimate

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.

"Very professional, respectful and gets the job done in a timely manner. "

gavin j on July 2025

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.

"Very professional, respectful and gets the job done in a timely manner. "

gavin j on July 2025


Avatar for HC Landscaping and Septic

HC Landscaping and Septic

5.00(
11
)
Approved Pro

HC Landscaping and Septic

5.00(
11
)
Approved Pro
Customers say: Quick response
17 local quotes requested
5 years of experience

Meadows Earthwork and Septic - HC Landscaping and Septic is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"Yes they did the Job! A very professional, friendly crew. They helped me save money and really put our best interest place. I will use them again if ever needed and HIGHLY RECOMMEND them to anyone who want great customer service and treated with respect. 5 star"

Rhonda A on November 2025

Meadows Earthwork and Septic - HC Landscaping and Septic is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"Yes they did the Job! A very professional, friendly crew. They helped me save money and really put our best interest place. I will use them again if ever needed and HIGHLY RECOMMEND them to anyone who want great customer service and treated with respect. 5 star"

Rhonda A on November 2025


Full Service Property

5.00(
4
)
Approved Pro

Full Service Property

5.00(
4
)
Approved Pro
49 local quotes requested
1 years of experience

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

"Scott messaged me with a quote within minutes of contacting him. He performed the driveway work the next day as promised and exceeded my expectations. Highly recommended!"

naomi g on February 2025

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

"Scott messaged me with a quote within minutes of contacting him. He performed the driveway work the next day as promised and exceeded my expectations. Highly recommended!"

naomi g on February 2025


Blaine Henry Excavating LLC

4.46(
12
)
Approved Pro

Blaine Henry Excavating LLC

4.46(
12
)
Approved Pro
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
23 local quotes requested

Welcome to Blaine Henry Excavating LLC. We have been proudly serving the local area since 2018. Call us today to schedule an appointment for efficient, quality and reliable work. You will not regret your decision to work with our company.

"Very efficient,and prompt. Did a great job. Would definitely recommend him."

Pat H on May 2024

Welcome to Blaine Henry Excavating LLC. We have been proudly serving the local area since 2018. Call us today to schedule an appointment for efficient, quality and reliable work. You will not regret your decision to work with our company.

"Very efficient,and prompt. Did a great job. Would definitely recommend him."

Pat H on May 2024


Avatar for A&P Works

A&P Works

5.00(
4
)
Approved Pro

A&P Works

5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
20 local quotes requested

Family Owned and Operated. A&P Works is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade, combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. 3 years of experience.

"My point of contact Austin was great and made it happen for me despite all my feet dragging. Very satisfied with the end result and will use them again in the future!"

Ashley W on December 2023

Family Owned and Operated. A&P Works is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade, combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. 3 years of experience.

"My point of contact Austin was great and made it happen for me despite all my feet dragging. Very satisfied with the end result and will use them again in the future!"

Ashley W on December 2023


Koontz Plumbing

5.00(
2
)

Koontz Plumbing

5.00(
2
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Avatar for Elliott & Son Excavating LLC

Elliott & Son Excavating LLC

5.00(
6
)

Elliott & Son Excavating LLC

5.00(
6
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

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! Licensed & Insured

"Elliott and Sons did a great job excavating my basement and prepping the yard for seeding. Would definitely use them again for any work needed. Always on time and never had to wonder what was going on as they kept me up to date on everything. Great company and top of line equipment too."

Justin K on August 2023

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! Licensed & Insured

"Elliott and Sons did a great job excavating my basement and prepping the yard for seeding. Would definitely use them again for any work needed. Always on time and never had to wonder what was going on as they kept me up to date on everything. Great company and top of line equipment too."

Justin K on August 2023


M&M Excavating

No reviews yet

M&M Excavating

No reviews yet

Hi everyone, We are a company that strives for perfection in everything we do! We offer a wide variety of services: Sewer & Waterline Repair Land Clearing House Seats Fill Lines Waterproofing Gutter Drains Tree & Stump Removal And MUCH MORE! Please Call Text or Leave a message Miles-813-588-9682 or Mark-865-275-1659

Hi everyone, We are a company that strives for perfection in everything we do! We offer a wide variety of services: Sewer & Waterline Repair Land Clearing House Seats Fill Lines Waterproofing Gutter Drains Tree & Stump Removal And MUCH MORE! Please Call Text or Leave a message Miles-813-588-9682 or Mark-865-275-1659


Charles Pankey Concrete Services

4.67(
3
)

Charles Pankey Concrete Services

4.67(
3
)
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Dig out old driveways install ones

Dig out old driveways install ones


CLEARWATER

3.75(
4
)

CLEARWATER

3.75(
4
)
Customers say: Quality work
42 years of experience

ADDITIONAL NAME CLEAR WATER DRILLING CO

ADDITIONAL NAME CLEAR WATER DRILLING CO

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FAQs for septic system installation and replacement projects in Knoxville, TN

The smallest standard septic system uses a 500-gallon tank, which costs between $875 and $1,150 installed. This size works well for single-occupant dwellings with minimal wastewater production. However, many local regulations specify minimum tank sizes, so check with your building department before committing to this compact option. Some jurisdictions require at least 750 gallons regardless of home size to ensure adequate waste processing capacity.

The installation timeline varies based on site conditions, permit processing, and contractor schedules. The process includes obtaining permits, conducting soil tests, excavation, tank placement, leach field construction, and final connections. Weather conditions, soil challenges, and inspection scheduling can all affect the overall timeline. It's wise to begin planning well in advance of when you need the system operational.

The most economical approach is to install a conventional anaerobic system with a plastic tank. To minimize costs while maintaining legality, obtain multiple quotes from licensed installers, consider scheduling during their slower seasons, and handle basic site preparation yourself. Never skip permits or required testing to save money—illegal installations can result in significant fines and mandatory removal, ultimately costing far more than doing it right initially.

Regular pumping helps prevent system failures and extends operational life. Most small systems require pumping every three to five years, though frequency depends on household size and usage patterns. Pumping services cost between $290 and $530, making this maintenance expense relatively minor compared to potential repair costs ranging from $500 to $2,600 for neglected systems. Establishing a regular maintenance schedule based on your installer's recommendations helps avoid costly emergency services.

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.