Is Radon Killing Your Real Estate Deal?

by Lisa Udy on June 17, 2010

Your a home seller that just signed an offer on your home and you’re preparing to move. The buyers seem financially stable and are extremely excited about your home. These buyers want to buy you’re home and your ready to move on to the next step of your life.

Fast forward two weeks, and now the deal is falling apart. Why?

Businessman wearing gas mask.

It’s not the buyers financing. It’s not the appraisal.  It’s not the inspection. It’s the other guy that came over to your house during the buyers due-diligence period. It’s the radon guy!  You have high levels of radon, and your deal is about to fall apart because of it.

So what is radon exactly?

“Radon is a colorless, odorless, short-lived radioactive gas that can seep into homes and result in lung cancer risk. ” – Wikipedia

According to the national cancer institute, Radon causes between 15,000 and 22,000 deaths a year from lung cancer.  The radon gas dissolves quickly and emits tiny radioactive particles that damage cells in your lungs.

What can you do if your home has too much radon?

As a home seller, when you get a positive radon test when selling your home, you basically have one option. You will have to install a radon mitigation system to pump out enough gas to reduce the build up in your home.

To install the system, it costs around $400-$600 depending on the difficulty of the installation. Basically, a radon mitigation system is a PVC pipe with a fan that goes from the foundation to the roof pushing air out the top. You can see a diagram here: Radon Mitigation System.

What if I don’t want to install a radon mitigation system?

If you decide not to install a radon mitigation system, the buyer will most likely walk unless they are willing to install it themselves after they buy the home. To be honest, not many deals fall apart because of high radon levels.

The key to keeping your deal together is to work out what you and the buyer are willing to deal with. Some buyers don’t see it as a big deal. Others won’t want to buy the home even with the mitigation system.

The buyer walked, now what?

If the buyer decides to walk because you won’t install the system, they don’t want a home with high radon levels, or you can’t come to an agreement.  You will have to put the test results in your seller disclosures. The next person that is interested in your home will have to be informed, by law, that you know the radon levels in your home have tested high.

REALTOR Tip:

It’s important for you to understand that a radon mitigation system is a negotiable item, at least here in Utah it is. (You will have to check with your agent and see how the issue is handled in your area.)

When I negotiate radon problems, I usually get the buyers to pay for half of the costs of the mitigation system, but it really depends on the the situation. If there are no other problems with the home, getting a buyer to fork over an extra $300 dollars isn’t that difficult. If there are other problems with the home, they may not be willing to negotiate.

One way or the other, if your home tests high for radon, you’re going to have to do something about it.  Living in a home with high radon levels, if you decide not to sell, could be detrimental to your families health. My advice is to work out a deal with your current buyers and move on.  Buyers in today’s market don’t come easy.

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{ 4 comments… read them below or add one }

ed colasimo July 20, 2010 at 1:26 pm

My wife and I just walked away on an otherwise nice house because the seller refused to address the radon issue. The level of radon was below the official EPA recommended action level, but still high enough to make us uneasy. We knew we’d have trouble renting out or selling this property ourselves because of the radon, and even the presence of a radon mitigation system could be perceived as a negative by some people. Too much to fret about, and with so many other properties out there that DON’T have radon, we decided we’d rather just keep looking.

Lisa Udy July 20, 2010 at 2:32 pm

Hi Ed – I completely understand your choice. There is way to much inventory on the market to buy a home that doesn’t fit you.

Most people, when educated, will buy a home if the Radon Mitigation system is in place if their educated. But you’re right, most people don’t understand it and would rather buy a home without the stress of Radon. I hope you find a great home, and I wish you the best! :)

Travis Jewell August 2, 2010 at 9:58 am

In Utah, about 25% of homes tested have radon levels greater than 4 pci/L. Particular zip codes have an even greater probability especially in desirable foothill neighborhoods. Having a radon system installed in a home should be less of a deterrent because it represents a resolved radon problem (if the radon mitigation system was installed by a qualified and licensed contractor.) Active soil depressurization systems run 24 hours a day, creating a vacuum in the soil under the house. These systems block radon entry and vent the soil gas above the home where it dilutes in the atmosphere. The systems block other dangerous soil gasses and musty odors. If you find a home that you want, having elevated radon levels should be a small worry because the installation of a radon reduction system is proven to lower radon gas levels and improve the overall air quality within the home. It is likely that if you back out, the next home you like could have elevated radon levels as well. Sellers and agents should consider testing for radon before listing the home to prevent a last minute road block during the negotiation and closing process.

Lisa Udy August 2, 2010 at 10:09 am

Hi Travis,

Excellent comment, I appreciate you adding some expertise to my readers. I have yet to have a deal fall through because of Radon. Education is the key to make sure people don’t panic over something that can be taken care of by the experts. Having sellers test befroe they list is a great idea.

Thanks!!!

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