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State radon guide

Radon Testing, Mitigation Costs & Contractors in New York

New York State offers radon education, low-cost testing, data, and provider resources. A statewide or county map cannot determine an individual home's result, so testing remains the key step.

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Testing your home

Homeowners can use a state test kit or hire a qualified tester. If professional laboratory analysis is involved, follow New York's laboratory requirements and verify current credentials.

Free or low-cost test-kit information

New York State homeowners can currently order a radon test from the Department of Health for $12.25, including analysis and return postage. Re-check the price before launch.

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.

New York rules and public resources

Verified: New York State does not certify or license radon testers. NYSDOH states that analysis and reporting of radon tests must be performed by an ELAP-certified laboratory. Do not imply that a tester is state-licensed for radon.

EPA radon-zone context

Use EPA's New York radon-zone map and state data only as regional context. Test the 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 New York

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

Browse all New York listings

Frequently asked questions

Should every home in New York be tested for radon?

Testing is the only way to know the radon level in a specific New York 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 New York?

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 New York?

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 New York?

New York State homeowners can currently order a radon test from the Department of Health for $12.25, including analysis and return postage. Re-check the price before launch.

Sources

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