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Radon when you buy or sell a home

Radon in a home sale: testing before closing, the inspection, disclosure and negotiation.

Buying and selling

What this topic covers

These guides cover radon in a home sale: testing before closing, the home inspection, what a seller discloses, and how a result shapes the negotiation.

  • “EPA recommends that you know what the indoor radon level is in any home you consider buying.”

    EPA
  • “…if you are buying or selling a home, you can hire a qualified tester to do the testing for you.”

    EPA
Start with Buying a house with radon

Guides

Guides and pages in Buying and selling

5 to read, the one to start with first.

  • Overview page

    State radon programs

    Every U.S. state and DC runs, or designates, a radon program. Each entry shows only what that program's own page stated when Radon411 read it, and the date it was read.

Short answers

Questions in Buying and selling

The 6 most asked of 7, each with its short answer.

All questions, by topic

Should I buy a house with radon?

You can buy a house with radon: a high level is a problem that can be fixed, usually with a vent pipe and fan system that costs about the same as other common home repairs.

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Should I get a radon test with my home inspection?

Yes, unless the house has a recent test you can rely on: if the home has not been tested, have it tested, and a qualified radon tester is very often a home inspector.

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Does a radon mitigation system hurt resale value?

We know of no published figure showing that a radon mitigation system lowers resale value.

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Is it hard to sell a house with radon?

Radon need not block a sale: where radon problems have been fixed, home sales have not been blocked or frustrated.

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Does radon testing affect a home sale?

It can shape the deal, but rarely ends it.

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Should I buy a home with a radon mitigation system already installed?

Yes, it can be a good sign: a system means a radon problem was found and fixed, and where radon problems have been fixed, home sales have not been blocked.

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