Radon Tests for York County Homes
Radon Testing in York, PA
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Know Your Number, Then Decide
Radon testing in York, PA is the only way to know how much radon is in your home. You can't see it, smell it or taste it. York County sits in EPA Radon Zone 1, the highest risk group, and about 40% of Pennsylvania homes tested by the DEP come in above the EPA action level of 4 pCi/L.
Your neighbor's result won't tell you yours. Radon rises through cracks in the limestone and slate under York County, and two homes on the same street can test miles apart.
We set up the test, pull the result and explain it in plain words. If the number is high, we tell you your options and what a fix costs. If it's low, you're done.
Radon Testing Across York County
We test homes all over York County, from York Township and Dover to Hanover, Red Lion and Wrightsville. Pick your town to see local details.
Radon Tests We Offer in York, PA
Short-Term Radon Test
This test stays in your home for 2 to 7 days. All radon tests should run at least 48 hours. It's the fastest way to get a first read on your home.
Long-Term Radon Test
A long-term test runs more than 90 days. Radon levels rise and fall with the seasons, so a long test gives the best picture of your yearly average.
Real Estate Radon Test
Short-term tests of about 48 hours are standard for home sales. We use a continuous monitor that records radon hour by hour, so the results are hard to dispute.
Post-Mitigation Re-Test
After a radon system goes in, a re-test confirms it worked. The test should start at least 24 hours after the fan turns on and no later than 30 days after.
Buying or Selling a Home in York?
Radon testing is a normal part of home sales in York County. Most buyers order a test during the inspection period. The timeline is tight, so book early.
If you're buying and the result is 4 pCi/L or higher, you can ask the seller to install a radon system or to credit you for one. If you're selling, a test before you list lets you fix the problem on your own schedule. Either way, you want the before and after numbers in writing. Tell us your closing date when you call.
What Your Radon Test Result Means
Radon is measured in picocuries per liter of air, written pCi/L. Outdoor air has about 0.4 pCi/L. No home will read zero.
| Your result | What the EPA and PA DEP say |
|---|---|
| Below 2 pCi/L | Low. Re-test every two years or after big changes to the home. |
| 2 to 3.9 pCi/L | No level is risk-free. The EPA says you may want to fix the home at this level. |
| 4 pCi/L or higher | Fix the home. This is the EPA action level. |
| 4 to 8 pCi/L | PA DEP says you can run a second test to confirm, then fix it if the result is still 4 or higher. |
The EPA says to fix your home if one long-term test, or the average of two short-term tests, comes in at 4 pCi/L or higher.
DIY Radon Test Kit vs. a Certified Radon Test
A DIY radon test kit from the hardware store costs about $15 to $50. It's a fair way to screen your home. The trouble is that kits are easy to set up wrong. A kit placed near a window, a sump or a bathroom fan can read too high or too low.
A certified test uses a calibrated continuous monitor. It records radon every hour, flags if someone moved it or opened windows, and gives you a report you can share. For a home sale, buyers and lenders want a test from a PA DEP-certified tester.
If your kit came back high, don't panic. Call us and we'll confirm the number with a certified test before you spend money on a fix.
Testing Well Water for Radon
Many homes in rural York County get water from a private well. Radon can dissolve into well water and escape into the air when you shower or run the tap.
The EPA says your lung cancer risk from breathing radon in air is much larger than your risk from drinking it in water. So test the air first. If you're on a well and your air test is high, a water test is the next step. We collect a water sample and send it to a lab. If the water result is high, a treatment system can clean the water before it reaches your taps.
Radon Testing Cost in York, PA
| Test | Typical cost |
|---|---|
| DIY short-term kit (you set it up) | $15–$50 |
| Certified short-term radon test | $150–$250 |
| Long-term radon test | Quoted when you book |
| Well water radon test | Quoted when you book |
| Post-mitigation re-test | Included with every Keystone system |
Most home inspection radon tests in York cost $150 to $250. We give you the price when you book.
Book a Radon Test
Get a clear answer on your home's radon level. Tell us your address and any deadline, and we'll find a time that works.
Radon Testing FAQ
How long does a radon test take?
A short-term radon test runs 2 to 7 days, and every test should run at least 48 hours. A long-term test runs more than 90 days. For home sales, a 48-hour test with a continuous monitor is standard. You usually get results within a few days after pickup.
Should I get a short-term or long-term test?
Use a short-term test for a quick answer or a home sale. Use a long-term test to learn your true yearly average. If a short-term test comes back between 4 and 8 pCi/L, PA DEP says you can confirm with a second test before you fix the home.
Do I need to leave the house during a radon test?
No. You can live in the home as usual. Keep windows and outside doors closed as much as you can, starting 12 hours before the test and running until it ends. Normal coming and going is fine. Don't move the monitor or run fans that blow air in from outside.
My neighbor's radon test was low. Do I still need to test?
Yes. Radon levels vary a lot from house to house in York County, even on the same street. The rock under each home, the foundation and small cracks all make a difference. Testing is the only way to know your own home's level.