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Radon Mitigation in North Liberty, Iowa

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North Liberty's building code is the main local detail for radon mitigation in town, because it adopts a radon appendix for new construction.

North Liberty rules and resources

North Liberty's building code, in section 157.02, adopts the 2021 International Residential Code with Appendix AF, which the code titles "Radon Controlled Methods" [1]. Iowa HHS counts North Liberty among the 11 jurisdictions that required radon-resistant building in new homes before the state did [2]. Johnson County Public Health sells short-term kits for $12 at its office [3].

Do new homes in North Liberty need radon features?

Yes. Section 157.02 adopts the 2021 International Residential Code with Appendix AF, Radon Controlled Methods, as part of the building code for construction inside city limits [1].

Where can North Liberty residents buy a radon kit?

Johnson County Public Health sells short-term kits for $12 in the office or $15 by mail, and long-term kits for $30 or $33. Call 319-356-6040 to order [3].

Depending on your result, you may want new construction radon, fan replacement or radon testing. We gather the state rules for testers and mitigators in one place, how it works. Also covered: Cedar Rapids and Iowa City, plus all service areas.

Have a number from a test? Send a request.

We're a referral service, not a contractor. We send mitigation requests only to contractors on Iowa HHS's current credentialed list and testing requests only to state-certified radon measurement specialists, but we don't otherwise vet them, a referral is not an endorsement, and independent contractors may pay us for referrals.

Sources

  1. City of North Liberty Code of Ordinances, Chapter 157 Building Code, 157.02. https://codelibrary.amlegal.com/codes/northliberty/latest/northliberty_ia/0-0-0-4150
  2. Iowa HHS, Radon Resources (fetched Nov 11, 2026). https://hhs.iowa.gov/health-prevention/providers-professionals/radiological-health/radon/radon-resources
  3. Johnson County Public Health, Radon Information (fetched Nov 11, 2026). https://www.johnsoncountyiowa.gov/public-health/radon