Cost engine

How much does septic system replacement cost?

Q: How much does septic system replacement cost?

Septic System Replacement typically costs $7,500 to $28,000, with most homeowners paying around $13,500.

National price ranges for septic system replacement, the unit pricing contractors quote from, and what the same job costs across local markets.

Verified August 2026

Septic System Replacement cost

$7,500 – $28,000

Most homeowners pay around $13,500 for septic system replacement, or $7,500–$28,000 per system replaced. Permit fees add $350–$1,200.

Price breakdown

Budget scope	$7,500
Typical project	$13,500
Premium / complex	$28,000
per system replaced	$7,500 – $28,000
Permit fees	$350 – $1,200
Timeline	3-7 days of work, 4-10 weeks including health department review

What drives the price

Tank size based on bedroom count
Conventional versus mound or performance-based system
Soil conditions and water table depth
Lot access for equipment
Abandonment of the old tank

Cost by city

Same scope, adjusted for local labor, material and permit pricing.

Septic cost in Naples$9,300 – $34,700 · +24%Septic cost in Miami$8,900 – $33,000 · +18%Septic cost in Fort Lauderdale$8,600 – $31,900 · +14%Septic cost in West Palm Beach$8,400 – $31,400 · +12%Septic cost in Fort Myers$8,200 – $30,500 · +9%Septic cost in Sarasota$8,100 – $30,200 · +8%Septic cost in Cape Coral$8,000 – $30,000 · +7%Septic cost in Venice$8,000 – $29,700 · +6%Septic cost in Bradenton$7,900 – $29,400 · +5%Septic cost in Tampa$7,800 – $29,100 · +4%Septic cost in St. Petersburg$7,700 – $28,800 · +3%Septic cost in Clearwater$7,700 – $28,600 · +2%Septic cost in Orlando$7,700 – $28,600 · +2%Septic cost in Port St. Lucie$7,700 – $28,600 · +2%Septic cost in St. Augustine$7,500 – $28,000 · 0%Septic cost in Port Charlotte$7,500 – $28,000 · 0%Septic cost in Brandon$7,500 – $28,000 · 0%Septic cost in Melbourne$7,400 – $27,700 · -1%Septic cost in Kissimmee$7,400 – $27,400 · -2%Septic cost in Daytona Beach$7,400 – $27,400 · -2%Septic cost in Jacksonville$7,200 – $26,900 · -4%Septic cost in Lakeland$7,100 – $26,600 · -5%Septic cost in Pensacola$7,100 – $26,600 · -5%Septic cost in Gainesville$7,100 – $26,300 · -6%Septic cost in Tallahassee$7,000 – $26,000 · -7%

Frequently asked questions

Who issues septic permits in Florida?

Onsite sewage treatment system permits in Florida are issued through the county health department under the Florida Department of Health, not the local building department.

Sources

Sources & verification

Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.