Shawnee sits in Johnson County, and the whole county is EPA Radon Zone 1. I test and mitigate homes all over Shawnee, from the older streets near Nieman Road and downtown up through the newer Monticello builds and the neighborhoods off K-7 in the west. If your test came back high, there is a clean, permanent fix.
📞 Call (816) 451-5827 Get My Free QuoteShawnee runs a long way east to west, and the housing stock changes as you go. The east side near Nieman Road and old downtown Shawnee holds the mid-century ranches and split-levels, while the western half out toward K-7 and Monticello keeps filling in with larger newer construction. Radon does not care which end you live on. The gas seeps up out of the soil under the slab, so a 1960s ranch in the 66203 area and a 2015 build in the 66227 area can both read high. I have measured levels above the 4.0 pCi/L action level across Shawnee's ZIPs, and the finished basements that are so common here give the gas plenty of room to build up before anyone notices.
Testing is the starting point, and it is simple. I set a continuous radon monitor on the lowest livable level of your Shawnee home, usually the basement, and let it run under closed-house conditions for the measurement period. You get an hour-by-hour picture rather than one blurry average, which really matters when a reading lands near the line. If it comes back under 4.0 pCi/L, you are done. If it is over, I walk you straight into the fix. My radon testing page covers the details.
When a Shawnee home tests high, I install an active sub-slab depressurization system. That means coring through the basement floor, sealing a PVC pipe into the slab, and running it up through an inline fan that pulls the soil gas out from under the foundation and vents it above the roofline. On the wider footprints out in Monticello I plan the routing so the pipe stays tidy and out of sight, and I retest afterward to confirm the number dropped below the EPA limit. My mitigation systems page has more.
Homes move steadily in Shawnee, and a high radon reading during inspection is a regular call for me. I push transaction jobs to the front of the line and can usually install and deliver a post-mitigation test inside the inspection window so your closing does not slip. My real estate radon page covers the process.
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Our Shawnee services: Radon Testing, Radon Mitigation Systems
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