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State radon guide

Radon Testing, Mitigation Costs & Contractors in Iowa

Iowa homeowners should treat radon testing as a normal home-maintenance task. Iowa HHS describes the entire state as EPA Zone 1, but a zone map cannot predict the level in an individual home; testing is the only way to know.

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Testing your home

Start with a properly placed radon test in the lowest level that is regularly occupied or suitable for occupancy. Iowa HHS offers guidance and directs residents to low-cost kits through the American Lung Association and local county health departments.

Free or low-cost test-kit information

Low-cost kits are available through the American Lung Association and may be available through local county health departments. Verify current local inventory and price before displaying a specific offer.

Programs and inventory can change. Confirm current availability with the listed agency before relying on an offer.

Mitigation cost planning

Estimate only: a professionally installed residential radon mitigation system often falls in a broad $1,200–$3,500 range, but the final price can be lower or higher. Foundation type, crawlspaces, finished basements, multiple suction points, fan/pipe routing, electrical work, permits, diagnostics, and post-mitigation testing can materially change the quote. Use local written bids rather than treating this range as guaranteed pricing.

A test result provides important context, but it does not directly increase the modeled price.

Iowa rules and public resources

Verified: Iowa HHS certifies radon measurement specialists/laboratories and credentials mitigation specialists. State requirements and current credential status should be checked directly with Iowa HHS before any contractor credential is displayed.

EPA radon-zone context

Iowa HHS identifies the entire state as EPA Zone 1. This is planning context only and must never substitute for testing a specific home.

Testing is the only way to know. EPA radon zones are broad planning tools. Never use a zone, county, ZIP, or map to predict the radon level of a specific home or to decide that testing is unnecessary.

Public radon professional listings in Iowa

Directory inclusion is not an endorsement or a guarantee. Confirm current services, credentials, insurance where appropriate, pricing, service area, and availability directly.

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Frequently asked questions

Should every home in Iowa be tested for radon?

Testing is the only way to know the radon level in a specific Iowa home. Maps, county averages, a neighbor's result, and foundation type cannot replace a properly conducted test.

What does a result of 4 pCi/L mean?

EPA recommends taking action to reduce radon at 4 pCi/L or higher and suggests considering action between 2 and 4 pCi/L. The action level is not a line between safe and unsafe; long-term risk generally increases as exposure increases.

How much does radon mitigation cost in Iowa?

Pricing varies by the home and the system design. RadonCostGuide uses broad planning estimates only; foundation type, crawlspaces, finished areas, suction points, electrical work, permits, diagnostics, and post-mitigation testing can all affect the final quote.

How do I find a radon professional in Iowa?

Start with the state radon program and the NRPP/NRSB directories where appropriate. Independently confirm current credentials, insurance, scope of work, permits, warranties, service area, and pricing before hiring.

Are free or low-cost radon test kits available in Iowa?

Low-cost kits are available through the American Lung Association and may be available through local county health departments. Verify current local inventory and price before displaying a specific offer.

Sources

Content reviewed 2026-08-22. Costs are planning estimates, not quotes or guarantees.