Septic System Cost in Memphis (2026): Average Price & Estimate

Septic System Cost in Memphis

Estimated septic system cost in Memphis

$4,400–$13,200

Roughly about 12% below the national average.

Low labor costs make it one of the cheapest major metros.

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Based on Memphis, TN pricing.

Estimated cost range

$4,400–$13,200

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An estimate for planning, not a quote. Get written quotes from local pros below.

Estimate, not a quote. Local prices vary by contractor and project. These are 2026 estimates for Memphis, TN. Get written quotes from licensed Memphis contractors before you budget.

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What to know about septic system in Memphis

Wet soils and heavy rain in Memphis stress foundations, so grading and drainage are part of a durable fix.

What affects septic system cost in Memphis

Beyond the local market, the same factors that drive septic system cost everywhere apply in Memphis:

System type: conventional gravity versus mound, drip, or aerobic.
Tank size, based on the number of bedrooms.
Soil and percolation test results.
Whether a new drain field is needed.

Septic System cost by system type in Memphis

These figures are adjusted for Memphis pricing (about 0.88x the national average), so they reflect what local homeowners actually pay.

Estimated septic system cost by system type in Memphis (2026)

System type	Typical cost in Memphis	Notes
Conventional (gravity)	$4,400 to $13,200	The baseline.
Chamber	$4,850 to $14,500	installed
Drip distribution	$6,600 to $19,800	installed
Mound	$7,050 to $21,100	installed
Aerobic treatment (ATU)	$7,900 to $23,800	installed

Frequently asked questions

How much does septic system cost in Memphis?

In Memphis, TN, septic system typically costs $4,400 to $13,200 in 2026 for a standard project, about 12% below the national average. Your exact price depends on size, materials, and scope.

Why does septic system cost more or less in Memphis?

Low labor costs make it one of the cheapest major metros. Labor rates, permit costs, and local demand are the main reasons Memphis prices differ from the national average.

Do I need a permit for septic system in Memphis?

Most septic system projects require a permit. Requirements vary by city and Tennessee jurisdiction, so confirm with your local building department. A licensed contractor usually pulls the permit for you.

When is the best time of year for septic system in Memphis?

In Memphis, aim for spring or fall. Summer heat, humidity, and afternoon storms can cause delays on exterior projects, and late summer is peak storm season.

Is septic system cheaper outside Memphis?

Sometimes. Memphis runs about 12% below the national average. Nearby smaller towns with lower labor costs can come in cheaper, while denser urban areas often cost more. Always compare quotes from contractors who serve your specific area.