How much does radon mitigation cost in St. Petersburg?

Most St. Petersburg projects land between $935 – $2,600, with an average near $1,750. Local crews quote roughly $935 – $2,600 per system.

What is included in the St. Petersburg price per system?

Typically materials, labor and cleanup. Permits, disposal and access challenges are usually quoted separately.

Unit pricing

St. Petersburg radon mitigation pricing per system

Radon Mitigation cost per system in St. Petersburg, Florida in 2026.

Low

$935

Average

$1,750

High

$2,600

St. Petersburg crews quote about $935 – $2,600 per system.

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Multiply local unit rates by your real measurements.

What drives radon mitigation prices in St. Petersburg

Local labor, permitting and climate move St. Petersburg prices away from the national average.

Labor market

St. Pete crews price with the Tampa Bay market.

Permits

City permits with coastal and flood-zone review.

Climate

Salt air and storm surge affect siding, roofing and fencing.

St. Petersburg unit pricing by material

Single-point sub-slab system$1,100 – $1,500

Sub-slab with sealing$1,500 – $2,000

Crawlspace membrane system$2,000 – $2,550

Multi-point system with monitoring$2,550 – $3,550

Ways to lower your St. Petersburg price

Test first with a $20 kit before commissioning a system.
Route the pipe on the least visible elevation to skip cosmetic upgrades.
Collect three written bids on an identical scope — spreads of 20–40% are normal.
Book in the off-season and stay flexible on the start date to save 5–15%.
Bundle nearby work into one mobilization so you only pay setup and travel once.
Ask what the contractor would change to cut 10% without hurting durability.

St. Petersburg questions

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