Radon Mitigation in Indianapolis, IN

Compare 22 radon mitigation contractors near you in Indianapolis 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 May 14, 2026

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Other Businesses in This Area

Vapor Intrusion Specialists

vaporintrusion.us

Advanced Home Solutions

5.029+ years online
facebook.com/people/Advanced-Home-Solutions-Radon-Mitigation/61559182330462

Anderson Radon and Vapor Services

5.03+ years online
andersonradonandvaporservices.comGet a Free Quote

Great Lakes Radon

5.04½+ years online
greatlakesradonllc.com

Hoosier Radon Remediation

5.01 year online
hoosierradon.com

Indianapolis Radon Mitigation

5.05½+ years online
radonindianapolis.com

Aardvark Home Inspectors Inc.

4.920½+ years online
aardvarkinspect.com

Aegis Environmental

4.923 years online
aegisenvironmentalinc.com

Clean Worx Environmental

4.9~6 years online
cleanworxenvironmental.com

RadonAway Indiana

4.829½+ years online
radonaway.com

Cornerstone Inspection Services

4.721 years online
csinspections.comGet a Free Quote

Radon Environmental Inc

4.719+ years online
radonenvironmental.comGet a Free Quote

Superior Healthy Indoor Air

4.6

Midwest Remediation

4.319½+ years online
mwremediation.com

Affordable Radon Solutions

3.4

Radon Mitigation in Nearby IN Cities

Radon Mitigation in Indianapolis, IN

Indianapolis radon mitigation specialists in this directory cover Broad Ripple, Meridian-Kessler, Fountain Square, downtown, and surrounding Marion County. Indiana falls in EPA Radon Zones 1 and 2 — Marion County is largely Zone 1. Sub-slab depressurization on a typical Indianapolis basement home runs $1,400-$2,800 installed.

Indiana State Department of Health publishes county-by-county radon zone maps. Real-estate transactions in Indianapolis increasingly include radon testing.

Frequently Asked Questions

Do most Indianapolis homes have radon?
Yes — Marion County is largely EPA Zone 1, and many homes test above 4 pCi/L.
How long does Indianapolis mitigation take?
Sub-slab depressurization is a 1-day job.
What about radon in crawlspaces?
Crawlspaces require sealed vapor barrier and active sub-membrane vent fan.

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