How much does it cost to install a septic system in Georgia?

What the job involves

Septic system installation starts with the ground. The soil is usually checked first, often with a perc test, because what it can absorb decides where the drain field goes and how large it has to be. After that the crew digs, sets the tank, connects the pipes and builds the field.

Pumping is routine care for a system that already exists, and a drain field repair fixes one part of a system that is already in the ground. A perc test measures the soil and builds nothing, and it may be priced as a separate service.

The range above is for a new system. A replacement quote depends on which parts have failed, so it may not match the range.

What moves the price

What the soil test finds

A quote written before the soil is evaluated can move once the results come back: up if the ground calls for a larger or engineered field, and down if it takes in water well.

Gravity or engineered design

A design that needs a pump usually adds a pump chamber, an alarm and a power line to the pump, and each of those raises the price over a system that drains by gravity. A raised drain field can also call for fill brought in and more design work.

Room to grow

A system sized for a bigger household, or with room for bedrooms you may add later, costs more now than one sized for the house as it stands.

Pipe runs and digging

The field often has to go where the soil tests best, even when that spot is far from the house. A longer run means more trenching and more pipe, which raises the price.

Permit and inspection fees

A quote that leaves out permit or inspection fees can look lower than one that includes them, though you still pay those fees. Compare the two on the same footing.

Replacement scope

A replacement that keeps the tank or part of the field can cost less than a full new system. The catch is that those parts have to be sound enough to keep, and someone has to check them before the work is priced.

Getting a quote

Questions to ask each septic company before you compare prices:

1. Does the price include the soil evaluation or perc test, or is that a separate charge?
2. Who applies for the permit, and if an inspection calls for changes, who pays for the extra work?
3. What type of system is this quote for, and is it based on finished soil results or on a guess about the ground?
4. What size of home and household is this system designed for, and what changes if I add bedrooms later?
5. Does the price include clearing trees or rock out of the way, and restoring the yard afterward?
6. If this is a replacement, which parts of the old system would you reuse, and what happens to the old tank?

Where this number comes from

We collect these prices with our own crawler, which reads the public websites of Georgia septic companies and follows each site's robots.txt rules. It has read 220 of their websites so far. Each range is the middle half of the prices those businesses post, collected September and October 2026.

A price list is what a business says it charges; a cost guide is a business's own estimate of what the job usually runs in Georgia. We never name the businesses behind a range. How we collect and check septic prices.

See a price that looks wrong? Tell us.

Keep reading

• Septic tank pumping
• Septic prices in Georgia
• Guide: How often should a septic tank be pumped?