
Aerobic Septic Systems in Florida: Cost, Rules & Maintenance (2026)
Aerobic septic systems in Florida cost $15,000–$30,000 installed. When DEP requires them, how they work, maintenance costs, and conventional vs ATU comparison.
524 licensed providers across 60 counties
New septic system installation requires proper permitting, soil evaluation, and engineering design to meet state regulations. Licensed installers work with county health departments to ensure systems are sized and sited correctly for each property's unique conditions.
The installation process begins with a site evaluation and soil analysis to determine the best system type — conventional, low-pressure pipe, drip irrigation, or advanced pretreatment systems. Regional terrain variations mean mountain properties face different challenges than coastal installations.
Costs vary significantly based on system type, soil conditions, and site accessibility. Most residential installations include a tank, distribution box, and drain field, with advanced systems required where soil or space limitations exist.
Polk County
35 providers
Volusia County
29 providers
Hillsborough County
24 providers
Duval County
22 providers
Palm Beach County
22 providers
Orange County
21 providers
Pasco County
21 providers
Brevard County
20 providers
Miami-Dade County
20 providers
Marion County
19 providers
Lake County
18 providers
Charlotte County
17 providers
Sarasota County
14 providers
Lee County
13 providers
Broward County
12 providers
Escambia County
12 providers
Hernando County
12 providers
Citrus County
11 providers
Leon County
11 providers
Indian River County
10 providers
Okaloosa County
10 providers
Bay County
9 providers
St. Lucie County
9 providers
Collier County
8 providers
Osceola County
8 providers
Highlands County
7 providers
Manatee County
6 providers
Nassau County
6 providers
Pinellas County
6 providers
Santa Rosa County
6 providers
St. Johns County
6 providers
Suwannee County
6 providers
Seminole County
5 providers
Sumter County
5 providers
Wakulla County
5 providers
Levy County
4 providers
Madison County
4 providers
Okeechobee County
4 providers
Washington County
4 providers
Alachua County
3 providers
Baker County
3 providers
Bradford County
3 providers
Clay County
3 providers
Columbia County
3 providers
Martin County
3 providers
Calhoun County
2 providers
DeSoto County
2 providers
Flagler County
2 providers
Franklin County
2 providers
Gadsden County
2 providers
Hendry County
2 providers
Jackson County
2 providers
Jefferson County
2 providers
Putnam County
2 providers
Union County
2 providers
Gilchrist County
1 provider
Glades County
1 provider
Gulf County
1 provider
Holmes County
1 provider
Liberty County
1 provider
Florida requires licensing for septic system contractors and well drillers to protect public health and the environment. Licensed providers carry proper insurance, follow state regulations, and have demonstrated competency through testing and experience requirements. Every provider on this site is checked against state licensing records before being listed.

Aerobic septic systems in Florida cost $15,000–$30,000 installed. When DEP requires them, how they work, maintenance costs, and conventional vs ATU comparison.
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