Real Estate Radon Testing in York, PA
Radon comes up in a lot of York County real-estate transactions -- either because a buyer's contingency triggers a test, or because a seller already knows their number and it needs to be part of the disclosure conversation. We test homes for buyers and sellers working against a closing timeline, and we install or repair mitigation systems when a result needs to be addressed before the deal closes.
Pennsylvania's disclosure law and radon
Pennsylvania's Real Estate Seller Disclosure Law requires sellers to disclose known material defects in the property. If you have already tested your home and know the result, that generally falls under what needs to be disclosed to a buyer -- ask your agent or a real-estate attorney how the disclosure form in your specific transaction handles it, since the exact language and forms can vary.
The radon contingency
Separate from seller disclosure, many purchase agreements in this market include a buyer-side radon contingency: a window of time, usually set in the contract, during which the buyer can test the home and act on the result if it comes back elevated. What "acting on it" means is negotiated -- requesting the seller install a system, requesting a credit at closing, or in some contracts, an option to walk away from the deal. Read the actual contingency language in your agreement rather than assume a standard applies, since terms vary by contract.
What buyers and sellers each typically need
A buyer ordering a contingency test usually needs a fast turnaround -- a short-term test (2 to 90 days) fits most closing timelines, where a long-term test would not. A seller who suspects an issue and wants to get ahead of it can test and, if needed, install a system before listing, which takes radon off the table as a mid-contract negotiating point rather than leaving it to surface during a buyer's contingency window.
What to ask for
Ask whoever performs the test for documentation formatted the way your specific transaction requires -- lenders and title companies sometimes have particular expectations. And if mitigation is needed on a deadline, ask directly how fast a system can be installed and retested, since real-estate timelines rarely have room to spare.
Frequently asked questions
Is radon testing required to sell a home in Pennsylvania?
Not automatically, but Pennsylvania's Real Estate Seller Disclosure Law requires sellers to disclose known material defects -- so if you have already tested and know your radon level, that result generally needs to be disclosed to a buyer. Many purchase agreements in this market also include a radon contingency initiated by the buyer, which is a separate, common step regardless of what the seller previously knew.
What is a radon contingency?
A radon contingency is a clause in the purchase agreement giving the buyer the right to test the home for radon within a set window and, if the result comes back above an agreed threshold (often the EPA's 4 pCi/L action level), to request mitigation, renegotiate, or in some cases walk away from the deal. The specific terms are negotiated between buyer and seller, so read the actual contingency language in your agreement rather than assume a standard.
Who pays for radon mitigation in a home sale -- buyer or seller?
This is negotiated, not fixed by law. It commonly comes up as part of the radon contingency: the seller may agree to install a system, credit the buyer at closing, or the parties may split the cost. Your agent or attorney can walk through how it is typically handled in your specific contract.
How fast can radon testing happen during a sale?
A short-term test (2 to 90 days) is the standard choice here, since real-estate transactions usually work against a closing deadline that a long-term test's multi-month window would not fit. Coordinate timing with your agent so the result is back well before your contingency deadline.
If I install a system before listing, does that help?
It can. A home that tests below 4 pCi/L with a documented, working mitigation system already in place removes radon as a negotiating point during the sale rather than leaving it to come up as a buyer-side contingency mid-contract. If you already suspect elevated levels, testing and addressing it before listing is worth discussing with your agent.
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