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Fulton County, GA · Septic System Installation

Septic System Installation in Fulton County

A new or replacement system in Fulton County starts with a soil test and a permit — not a shovel.

See 24 verified pros

Installing a septic system is the largest-ticket job a septic owner faces, and the design is dictated by your land: soil type, how fast it percolates, and how high the water table sits all decide what system you're allowed to build and what it costs.

Every legal install begins with a site evaluation and a county permit. The output of that evaluation — conventional drainfield, engineered mound, or an aerobic/nitrogen-reducing unit — is what drives the final price far more than the tank itself.

Local conditions in Fulton County

Local ground is the deciding factor in Fulton County: Upland siting is workable, but the clay — not the water table — is the binding constraint. Bottomland lots near streams can fail on wetness. And the rules here matter — counties like gwinnett, cobb, and fulton run active environmental health offices with online permit portals and as-built records, which can raise the cost of a new system considerably.

How a septic installation works

  1. Site & soil evaluation. A licensed evaluator or engineer tests percolation and locates the seasonal high water table to determine what the soil can handle.
  2. System design. The system is sized to your soil and the number of bedrooms, and the type is chosen — conventional, mound/filled, or aerobic.
  3. County permit. Plans are submitted to the county health department for an OSTDS construction permit before any work begins.
  4. Tank and drainfield install. The tank is set and the drainfield is built to spec, with fill brought in where the water table requires elevation.
  5. Final inspection. The county inspects the open system and signs off before it's covered and put into use.
What drives the cost
  • System type — conventional vs. mound vs. aerobic/nitrogen-reducing
  • Soil and water table (high water tables require expensive fill)
  • Drainfield size, which scales with bedroom count
  • Permit and engineering/site-evaluation fees
  • Site access and how much excavation is needed
  • Tank material and capacity
How to choose a pro
  • Use a licensed Registered or Master Septic Tank Contractor
  • Make sure they pull the county permit (never skip it)
  • Insist the design matches your soil/site evaluation
  • Get the warranty and final county approval in writing

24 septic system installation providers in Fulton County

License-verified contractors (active state license) are listed first.

Hurd Restroom Rentals

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Pumper · GA DPH · verified 2026-06-25

Hutcheson Septic

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Pumper · GA DPH · verified 2026-06-25

Marty Lynn dba Marty Lynn Grading & Hauling

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25

Master Rooter, LLC

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25

National Construction Rentals, Inc

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Pumper · GA DPH · verified 2026-06-25

OnSyte Septic Ga.LLC dba Banks Septic

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25

Payne Plumbing and Septic contractor LLC

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25

Pro Flow Septic Solutions

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25

R.T.S. Excavation, Inc.

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25

Reeves Grading & Hauling

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25

Reliant Construction, Inc.

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25

Rooter Plus

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25

Septic Blue L.L.C.

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25

Southern Disposal of GA, Inc.

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Pumper · GA DPH · verified 2026-06-25

Southern Septic LLC

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25

TideCo Septic

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Pumper · GA DPH · verified 2026-06-25

Trinity Dawsonville & G Septic Services LLC

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25

Walker Land Improvements LLC

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Installer · GA DPH · verified 2026-06-25

Wiggins Septic Service

Verified · GA DPH
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
GA DPH Certified Pumper · GA DPH · verified 2026-06-25

Arnold's Septic Tank Service

Listed
Atlanta, GA
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
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Septic System Installation in Fulton County — FAQ

What does a new septic system cost in Fulton County?

Conventional systems commonly run from several thousand dollars to well over $10,000; mound and nitrogen-reducing systems cost more. Soil and water-table conditions in Fulton County are the biggest cost driver.

Do I need a permit to install a septic system in Fulton County?

Yes. Permits are issued by the Local authorized agent / county health department in Fulton County, under Georgia Department of Public Health (DPH), Environmental Health Section., and the system must pass inspection before use.

How long does an installation take?

Once permitted, the install itself is often 1–3 days, but evaluation and permitting can add weeks. Plan ahead.

Other services in Fulton County

Emergency Septic ServiceSeptic RepairSeptic Tank PumpingSeptic Inspection

Septic System Installation in nearby counties

Gwinnett CountyCobb CountyDeKalb CountyClayton CountyChatham County