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Find Septic system installers and replacers in Knoxville

Avatar for HC Landscaping and Septic
HC Landscaping and Septic
5.0(
14
)

Angi Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"They are the best when it comes to fixing the septic tank and replacing the pump. They are top notch. They kept me updated all the way through the process. Communication is excellent on Time services. Five stars. They are there ahead of schedule, a very professional, very polite understanding and very affordable. you can’t go wrong if you hire these people, you are hiring the best in the business and very affordable and very professional and they go above and beyond on everything. John McCavour I just had work done today. Replace my pump in my set the tank top notch. They know they know what they’re doing and you have peace of mind when they’re done with the job."
21 neighbors recently requested a quote
Recommended by35%of homeowners
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Avatar for A&P Works
A&P Works
5.0(
4
)

Angi Approved

In business since 2022

Free estimates

Customers say: Quick response

"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!"
13 neighbors recently requested a quote
Recommended by100%of homeowners
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Koontz Plumbing
5.0(
2
)
Recommended by100%of homeowners
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Avatar for Elliott & Son Excavating LLC
Elliott & Son Excavating LLC
5.0(
6
)
"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."
Recommended by100%of homeowners
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M&M Excavating
New to Angi

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

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Charles Pankey Concrete Services
4.7(
3
)

In business since 1983

Free estimates

Dig out old driveways install ones

Recommended by100%of homeowners
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CLEARWATER
3.8(
4
)

In business since 1983

Emergency services offered

ADDITIONAL NAME CLEAR WATER DRILLING CO \n

Recommended by75%of homeowners
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Avatar for The Pipe Doctor LLC
The Pipe Doctor LLC
4.7(
26
)

In business since 1994

Free estimates

Emergency services offered

"They replaced gas hot water tank. Were very informative, considerate and professional. Would recommend to anyone. We just moved to this area but were advised to call them and so glad we did. Very satisfied and also affordable. Service guys were great to talk to while working. Cleaned up and left spotless. Joseph and Kaden were the service guys. "
Recommended by88%of homeowners
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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.

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