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State radon guide

Radon Testing, Mitigation Costs & Contractors in North Dakota

North Dakota homeowners can use state and EPA information to understand radon, but the result that matters is the measurement in the home. Testing is appropriate regardless of foundation type or a nearby home's result.

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Testing your home

Use a properly placed short- or long-term test and follow the device instructions. North Dakota DEQ currently directs residents to hardware stores and online suppliers for kits.

Free or low-cost test-kit information

North Dakota DEQ currently states that it is out of free radon test kits. Residents can purchase kits from hardware stores, big-box stores, or online suppliers. Re-check this notice before launch because inventory can change.

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.

North Dakota rules and public resources

Needs Verification: needs verification — the reviewed North Dakota DEQ consumer page did not establish a statewide radon-specific professional licensing requirement. Do not describe a business as state-licensed unless a current authoritative source confirms it.

EPA radon-zone context

Use EPA's North Dakota radon-zone map as a broad potential map, not a prediction for a particular address.

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 North Dakota

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

Browse all North Dakota listings

Frequently asked questions

Should every home in North Dakota be tested for radon?

Testing is the only way to know the radon level in a specific North Dakota 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 North Dakota?

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 North Dakota?

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 North Dakota?

North Dakota DEQ currently states that it is out of free radon test kits. Residents can purchase kits from hardware stores, big-box stores, or online suppliers. Re-check this notice before launch because inventory can change.

Sources

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