Radon Mitigation in Iowa City, Iowa
Iowa is the #1 radon state in the U.S. If your home tested above 4.0 pCi/L, our certified mitigators in Iowa City can install a system that brings your levels safely down — usually within a week.
- Iowa-licensed mitigation specialists (IDPH-certified)
- Post-install retest included with every system
- Lifetime warranty on the fan, 5-year warranty on workmanship
- Most homes mitigated in a single day
Our Radon Mitigation Services
Whether you're testing for the first time, mitigating after an elevated reading, or diagnosing an existing system, we cover every step.
Radon Mitigation System Installation
The standard fix for elevated radon. A sealed PVC pipe pulls radon gas from beneath your foundation slab and vents it safely above the roofline.
Learn moreRadon Testing
Short-term tests, long-term tests, real-estate-transaction tests, and continuous radon monitor placements. Results that hold up in inspection negotiations.
Learn moreReal Estate Radon Testing
Fast 48-hour radon testing for Iowa City real estate transactions. Results delivered directly to your agent or inspector.
Learn moreSub-Slab Depressurization
The technical name for the most common radon mitigation method — a fan-driven negative-pressure system under your slab.
Learn moreCrawlspace Radon Mitigation
Crawlspaces require a different mitigation approach: a sealed vapor barrier (membrane) plus sub-membrane suction.
Learn morePost-Mitigation Radon Testing
EPA recommends retesting every 2 years even after mitigation. We verify your system is still pulling levels under 4.0 pCi/L.
Learn moreService Areas
We serve Iowa City and the surrounding Johnson County area, including:
Coralville
4 miles from Iowa City · ZIP 52241
Heavy mid-century housing stock, lots of split-levels with finished basements — high radon density.
See Coralville infoNorth Liberty
9 miles from Iowa City · ZIP 52317
Fastest-growing suburb in Johnson County. Lots of new construction with passive radon stubs that need active fans added.
See North Liberty infoTiffin
8 miles from Iowa City · ZIP 52340
Newer subdivisions on the I-80 corridor. Almost all post-2009 homes have passive radon stubs.
See Tiffin infoSolon
14 miles from Iowa City · ZIP 52333
Older homes near Lake Macbride, many with crawlspaces requiring sub-membrane systems.
See Solon infoHills
7 miles from Iowa City · ZIP 52235
Rural Johnson County, predominantly older farmhouses on full or partial basements.
See Hills infoWest Branch
13 miles from Iowa City · ZIP 52358
Cedar County overflow market — historic housing stock on full basements.
See West Branch infoWhat Iowa City homeowners say
"Tested at 14.2, system installed within a week, post-install retest came back at 1.1. Couldn't have been easier — they handled the whole thing while we were at work."— Sarah M., Coralville
"We were closing on a house in North Liberty and the radon test came back at 8.7. The team got out within 48 hours, mitigated before closing, and the buyer's inspector signed off. Saved the deal."— Mike & Jen R., North Liberty
"Honestly didn't expect to need mitigation in a brand new house, but the radon test caught it. Quote was straightforward, install was a single day, and the manometer makes it easy to confirm it's still working."— David L., Tiffin
Common Questions
How much does radon mitigation cost in Iowa City?
Most Iowa City homes are mitigated for $1,200 to $2,800. Slab-on-grade homes with a single suction point are at the low end; multi-zone basements, crawlspaces, or homes that need exterior venting run higher.
Read full answerIs radon a problem in Iowa?
Iowa has the highest average indoor radon levels of any U.S. state. The Iowa Department of Public Health estimates that 7 out of 10 Iowa homes have elevated radon. Testing is strongly recommended for every home in Iowa City.
Read full answerWhat radon level is dangerous?
The EPA action level is 4.0 pCi/L — at or above that level, mitigation is recommended. The EPA also recommends considering mitigation between 2.0 and 4.0 pCi/L. There is no safe level of radon; risk is cumulative with exposure.
Read full answerHow long does a radon mitigation install take?
Most Iowa City radon mitigation installs are completed in a single day, typically 4 to 8 hours. The post-install retest takes another 48 hours but doesn't require any disruption to your household.
Read full answer