Radon mitigation
A system installed to reduce indoor radon levels, usually by venting sub-slab air outside. Standard fix when a radon test comes back high. Runs a few thousand dollars in most markets.
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See how it worksWhere this comes up: under contract
Part 1 of 4
Why a seller cares
When a radon test comes back high, the fix is a mitigation system, and buyers usually ask the seller to install it. It is a known cost, a few thousand dollars, and it settles the issue for good.
Part 2 of 4
A simple example
The buyer's radon test reads 6.2 pCi/L. They ask for a mitigation system, installed by a licensed contractor before closing, with a post-installation test.
| What is agreed | What it costs and settles |
|---|---|
| The seller installs a system | Roughly $1,000 to $2,500; the buyer gets a retest under 4 |
| A credit instead of a system | The same money; the buyer installs it after closing |
| The seller declines | The buyer may walk under the inspection contingency |
Mitigation is a fixed-cost fix for an invisible finding. Most sellers pay it and move on.
Part 3 of 4
What people get wrong
That a high reading means the house is dangerous to sell. It means it needs a fan and a pipe, which thousands of homes in the same county already have.
Part 4 of 4 · where to read next
Where it appears in the sale
What a definition is, and what it isn't
Keighbor is a software company, not a law firm, brokerage, or tax adviser. This is general information, not legal, tax, financial, or real estate advice about your sale. Your situation may differ. Before acting on a contract, disclosure, title, tax, or pricing question, ask an appropriately licensed professional in your state.
Written and researched by Keighbor Research · drawn from the reference glossary · how we research and check what we publish
In your Room, this word explains itself where it appears.
Your Room defines radon mitigation in the step you meet it in, beside the document or the date it belongs to. Free to set up, with an agent or on your own.
Organize my saleFree to set up. Pay once when you list: $89 or $189. 7-day refund.