Certified radon testing and mitigation for Marshalltown homes and businesses — NRPP-certified, licensed, and trusted across Iowa.
Iowa has some of the highest radon levels in the country, and Marshalltown and Marshall County are no exception. Whether you're buying a home, building new, or running a commercial building, knowing your radon level is the first step — and getting it fixed if it's high is a straightforward, single-day process.
We handle testing and mitigation work in Marshalltown using the same certified process and equipment we use across our entire service area.
We're actively serving Marshalltown and the greater Marshall County area, with testing and mitigation projects completed and more underway across the community.
Our team handles everything from testing to full system installs, with the same certified process and equipment you'd get anywhere in our service area.
Recent install in
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Every home is a little different, but the process is straightforward — and the installation itself is completed in a single day.
We confirm current radon levels (or use your recent test results) and inspect your home's layout.
We design the mitigation system suited to your home's layout and foundation type.
Your system is installed, sealed, and inspected for proper airflow — completed in a single day.
We confirm levels have dropped before we consider the job done.
Real feedback from customers across our service area.
"Very professional from start to finish. The install was very clean and the installer Kade did a great job with everything. Our radon levels went from 17 to less than 1 the same day."
"Great service, very professional, and considerate."
"Everyone I have talked to and worked with at Central Iowa Radon has been exceptional to work with, from the original scheduling to the final testing after completion."
Tell us about your Marshalltown property and we'll follow up within 24 hours.