Silver Spring, MD Seller FAQ: Do I have to test my home for radon?

Real Estate Agent with Thompson Company, REALTORS® MD594797

Silver Spring, MD Seller FAQ: Do I have to test my home for radon before putting it on the market?

The short answer is: yes - unless you fall under one of the exempt categories (Estate sales, condos & coops or if your home will either be demolished by the buyer or converted to a different use than residential).

Explanation: although Radon tests & contingencies became increasingly more common over the last few years and many - if not most - REALTORS®, including myself, have been advising their buyer clients to include a radon test contingency, the Montgomery County Council made testing a law in 2016. It was the first in the country to do so.

Silver Spring Home SellerIt's important to note that the law requires a test to be done before settlement but does not require the seller to remediate. Thus, it is strictly a disclosure law. Of course, requesting remediation is an option available to buyers - whether or not it's completed prior to closing or a credit is issued is subject to negotiation.

A seller can also ask the buyer to perform and pay for the test but is ultimately responsible for getting it done if the buyer declines.

Q: Do I have to hire a 3rd party to do the testing?

A: No, you don't. Hiring a 3rd party is just one of the options available. So is purchasing one of the approved test kits and performing the test yourself. Please note that the results cannot be older than 1 year at the time of settlement!

Consider your options carefully, having the test done by a licensed company may offer the buyer additional peace of mind and may be considered another selling point.

Q: What should I do if the radon levels come back above the established action level?

A: Again, you have options just as long as you fulfill the disclosure requirement. Remediate before putting your house on the market (make sure you only hire a licensed contractor to do so; you can search for one via the National Radon Safety Board or the National Radon Proficiency Program) or wait and see what the buyer requests, then agree or negotiate.

Keep in mind, you want to sell your home and buyers want to buy the best home that fits their needs and budget. A healthy living environment is at the top of home buyers wish lists. Radon levels that are above the established action levels could scare some buyers away or prompt them to deduct $$$ off the list price to take care of the situation themselves.

Info: Department of Environmental Protection, Montgomery County, MD


Posted by







Thompson Company, REALTORS
16910 Oak Hill Rd, Silver Spring, MD 20905
o: (301) 384-9177 c: (240)593-2860

Andrea is a REALTOR® based in Silver Spring, MD. She has enjoyed assisting buyers and sellers since 2004 and focuses on residential Real Estate in  Montgomery and Howard County, MD. Andrea is a proud mom and hobby decorator with a vintage soul. She always answers the phone with a smile, enjoys running and treasure hunting and is addicted to coffee.


 All photographs are my own and I'd like to keep it that way. All information is deemed reliable but not guaranteed.




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Jeff Dowler, CRS
Solutions Real Estate - Carlsbad, CA
The Southern California Relocation Dude - Carlsbad


This is great information for homeowners, and buyers! It was common where I lived in Massachusetts, but our levels of radon in San Diego County are very low and no one does radon testing as far as I know.


Jan 05, 2017 04:03 PM #1
Fred Griffin
Fred Griffin Real Estate - Tallahassee, FL
Licensed Florida Real Estate Broker

  Hi, Andrea

       I advise everyone to get a radon test, especially Sellers, even if the law does not require it.  Aside from the medical risk, etc. there may be legal liability.

Jan 05, 2017 04:38 PM #2
Alexander- Slocum
Premiere Property Group, LLC - Vancouver Washington - Vancouver, WA
Realty Team- Vancouver WA Real Estate

Hi Andrea, that is good information to have sellers be proactive with before they get under contract.  Here in Vancouver WA we have spots that are "hot" and remediation is required - and no one truly knows for certain of Radon's presence until a proper test is performed.  John and Kat

Jan 05, 2017 05:09 PM #3
Beth Atalay
Cam Realty and Property Management - Clermont, FL
Cam Realty of Clermont FL

Hi Andrea, great advice, it's best to get a radon test for every home owner, even if they're renting it out.

Jan 05, 2017 05:38 PM #4
Kathy Streib
Room Service Home Staging - Delray Beach, FL
Home Stager - Palm Beach County,FL -561-914-6224

Andrea-this is excellent information for buyers as well as sellers.  

Jan 05, 2017 05:52 PM #5
Grant Schneider
Performance Development Strategies - Armonk, NY
Your Coach Helping You Create Successful Outcomes

Hi Andrea - that is very good information.  I am sure that other states will be following.

Jan 05, 2017 06:02 PM #6
Margaret Rome, Baltimore Maryland
HomeRome Realty 410-530-2400 - Pikesville, MD
Sell Your Home With Margaret Rome

Andrea Bedard Just had a buyer in Baltimore who was selling in MC. They had to pay for the radon on their house and the one they were buying...they were not happy campers.

Feb 01, 2017 07:56 PM #7
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Andrea Bedard

M.A.; REALTOR® Silver Spring, MD and beyond
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