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Radon Mitigation in St. Petersburg, FL
Compare 29 radon mitigation contractors near you in St. Petersburg and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 23, 2026
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Other Businesses in This Area
Certified Mold & Water Damage Restoration Team LLC
5.010+ years onlineDivinity Inspection Service, LLC - St Petersburg Home Inspection Services
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5.08 years onlinePuroClean of Downtown St. Petersburg
5.025½+ years onlineRadon Associates LLC | Wesley Chapel, FL Professional Radon Testing and Radon Mitigation Services
5.012+ years onlineSt Pete Beach Mold Removal & Remediation
5.0Air Quality Environmental, Inc. (AQE)
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4.814½+ years onlineRock Solid Home Inspections
4.814 years onlineRadon Group
4.73+ years onlineStem To Stern Home Inspections LLC
4.7Home Inspections Of Mid-Florida
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3.825 years onlineRadon Authority
3.019+ years onlineRadon Mitigation in Nearby FL Cities
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Radon Mitigation in St. Petersburg, FL
St. Petersburg radon mitigation is sometimes needed in homes built on Pinellas County's mix of phosphate-bearing limestone soils — EPA Zone 2 (moderate potential) but high readings show up in 5-15% of homes tested. Slab-on-grade construction common here means sub-slab depressurization is the standard mitigation. Coastal salt-air requires UV-stabilized PVC vent stacks. NeedInstall connects you with St. Pete radon mitigation pros who hold NRPP or NRSB certifications, follow Pinellas County permit requirements, and design quiet exterior fan installations.
St. Pete radon mitigation systems run $1,500-$3,500 for slab-on-grade, $2,500-$5,500 for crawlspace. FL requires a state contractor license. NRPP or NRSB certification recommended. Post-mitigation testing required to verify <4 pCi/L. Most installs run 1 day. Permits typically required ($75-$200).
Frequently Asked Questions
- Should I test first?
- Yes — short-term tests (3-7 day, $20-$40 kits) screen quickly. Long-term tests (90+ day) confirm. Levels above 4 pCi/L warrant mitigation.
- How does it work?
- Sub-slab depressurization: vent pipe through slab with inline fan creates negative pressure pulling soil gas before it enters living space. Discharges above eaves.
- Salt-air affect the system?
- PVC vent stacks unaffected. Fan housings need UV/salt-rated for coastal exposure. Pick fans rated for the environment.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across St. Petersburg and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.