David Smith Radon Remedies
Verified Pro
13+ years online5.0
Radon Mitigation in Fort Smith, AR
Compare 25 radon mitigation contractors near you in Fort Smith 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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Radon Mitigation in Fort Smith, AR
Fort Smith radon mitigation specialists in this directory cover central Fort Smith, Greenwood, Van Buren, and rural Sebastian and Crawford County properties. Arkansas falls in EPA Radon Zones 2 and 3 — Sebastian County is Zone 2 (moderate) and parts of Crawford trend higher. Sub-slab depressurization on a typical Fort Smith slab-on-grade or basement home runs $1,400-$2,600 installed. Crawlspace mitigation with vapor barrier, sealing, and active vent runs $2,200-$3,800.
Arkansas Department of Health publishes county radon test data and certifies mitigators. Real-estate transactions increasingly require a 48-hour test at minimum; long-term 90-day kits give the most representative annual average for owner-occupied homes.
Frequently Asked Questions
- Should I test my Fort Smith home for radon?
- Yes — EPA recommends every home test regardless of zone. Fort Smith sits in Zone 2 with documented elevated readings. DIY 90-day alpha-track kits run $25-$40; certified 48-hour tests for real-estate transactions run $150-$300.
- What level requires Fort Smith radon mitigation?
- EPA action level is 4 pCi/L. Levels between 2-4 are considered for mitigation if the home has a basement bedroom or extended occupancy on the lower level. Below 2 pCi/L is typically left untreated.
- How long does Fort Smith radon mitigation take to install?
- Sub-slab depressurization is a 1-day job for most homes. Post-mitigation testing (48-hour follow-up) confirms the system reduced levels below action limit. Total turnaround is typically 3-5 days from contract to verified result.
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