Radon Testing in Montgomery County Maryland

Real Estate Agent with Buyer's Edge Company Inc

There's a New Radon Law in Town

Victoria Henderson living room


As of October 1st, 2016, if you are selling your home in Montgomery County, with the exception of the Town of Barnesville, the City of Rockville, the Town of Kensington and the Town of Poolesville,

"a radon test must be performed by the Seller or give the Buyer the opportunity to do the test. If the Buyer chooses not to test, the Seller must perform the test to meet the statutory requirement that a test be performed."

The test may be done by Seller, Buyer or a third party (home inspector) This requirement is contained in Chapter 40 of the County code as amended by the County Bill 31-15

Here is where it gets a little confusing


Some agents are using the old REA Disclosure & Addendum forms.  The old radon notice indicates that the Buyer does the radon testing and provides the results to the Seller. The notice than offers the Seller the option to pay for remediation, if needed, or give a credit to the Buyer. 

What Should You Do?


If you are a home buyer in Montgomery County, make sure your contract includes the updated REA Disclosure & Addendum form. The radon language reads: 

RADON DISCLOSURE:  Effective October 1, 2016, a radon test must be performed before completing the sale of a "Single Family Home" in accordance with Montgomery County Code Section 40-13C. A Single Family Home means a single-family detached or attached residential building. Single-family home does not include a residential unit that is part of a condominium regime or a cooperative housing corporation.  The Seller of a Single Family Home (unless otherwise exempt below) is required to provide the buyer a copy of radon test results performed less than one year before Settlement Date or permit the Buyer to perform a radon test. 

If you are a listing agent representing a Seller in Montgomery County, make sure you use the updated REA Disclosure & Addendum. 

If you are representing the Buyer, make sure you see the updated REA Disclosure & Addendum in the listing disclosures. 


For more information

Environmental Protection Agency

Montgomery County Maryland Radon

American Cancer Society



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4849 Rugby Avenue Bethesda Maryland 20814 office 301.657.1475 cell 301.922.1677


Victoria Henderson is Vice President & Associate Broker with Buyer's Edge, Exclusive Buyer Agent & Realtor in Virginia, Maryland and Washington DC. Victoria is a certified Military Relocation Professional 



Marshall Henderson is a Certified Negotiation Expert & Exclusive Buyer Agent with Buyer's Edge & Realtor in Virginia, Maryland and Washington DC

Certified Negotiation Expert


Members of National Association of Exclusive Buyer Agents

Not Just a Buyer's Agent, an Exclusive Buyer's Agent. There's a Difference. Learn more at: 

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Wendy C Israel

Always on top of the latest real estate developments! Thanks for sharing.

Oct 09, 2016 10:13 PM #1
Victoria Ray Henderson
Buyer's Edge Company Inc - Bethesda, MD
Real Estate for Home Buyers with Buyer's Edge

Thanks Wendy! Drones make the home inspection very interesting!

Oct 09, 2016 10:24 PM #2
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Victoria Ray Henderson

Real Estate for Home Buyers with Buyer's Edge
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