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After an elevated result

High radon test result? What to do next

Keep the report, confirm what the result represents and speak with a qualified professional about the property. An elevated number is a reason for a practical response—not guesswork.

Request an Estimate Leave a message: (607) 367-7999

One provider at a time. No quote blast. We match each request with one participating independent provider based on service area, service needed, qualifications, and availability. The provider performs any testing or mitigation you agree to. How providers are selected.

Last reviewed September 9, 2026. General guidance; the independent provider evaluates the property.

01

Check whether the result is confirmed

NYSDOH recommends fixing a home when confirmed results are 4 pCi/L or higher. Confirmation steps can vary with the test type, duration and transaction context, so use current NYSDOH or EPA testing guidance if you are uncertain.

You can request local follow-up through Twin Tiers Radon Help and tell the independent provider what documentation you have. The provider can review the testing circumstances and confirm the appropriate next service.

02

Gather the basics before requesting an estimate

  • Test result, dates, test type and placement location
  • Foundation types and additions you know about
  • Whether the lowest level is finished or occupied
  • Photos or details of any existing radon system
  • Your timing, including real-estate deadlines
03

Let the property determine the method

Common mitigation concepts may involve drawing soil gas from beneath a slab or addressing crawlspace conditions, but the appropriate approach depends on the actual home. A professional should inspect the foundation, evaluate possible routes and explain the proposed system.

After work is completed, current public-health guidance calls for follow-up testing to verify the radon level was reduced. Ask the provider how that step is handled and documented.

Common questions

A few details worth knowing

Should I choose a system from an online diagram?

No. Diagrams can explain general concepts, but a professional should determine the method after evaluating the property.

Can a high radon level be reduced?

Public-health agencies explain that radon reduction systems can be effective. The achievable result and appropriate method for a specific home should be discussed with the professional who evaluates it.

Authoritative guidance

For testing and mitigation guidance, use current information from public-health authorities.

Published by Twin Tiers Radon Help as general referral guidance. How we use sources.

NYSDOH — Understanding radon test results U.S. EPA — Consumer’s Guide to Radon Reduction