Olathe is the Johnson County seat, and the whole county sits in EPA Radon Zone 1. I test and mitigate homes here all the time, from the Cedar Creek subdivisions out west to the older streets around Old Town. If your test came back high, there is a straightforward fix.
📞 Call (816) 451-5827 Get My Free QuoteOlathe has grown fast, and that growth shapes its radon picture. The newer west-side developments off K-7 and out by Cedar Creek were built with deep poured basements that sit right on the county's radon-bearing soils, so the gas has an easy path up through the slab. The established homes closer to downtown and Santa Fe Street are no safer, since radon comes from the ground rather than the age of the house. I have pulled high readings on both sides of town, in the 66061 and 66062 ZIPs alike.
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 draws the soil gas out from under the foundation and vents it above the roofline. For most Olathe basements the install runs a few hours, and I route the pipe so it stays tidy. Then I retest to confirm the number is back under the 4.0 pCi/L action level.
With how many homes change hands in Olathe, a high radon reading during inspection is a regular call for me. I move transaction jobs to the front of the line and can typically install and deliver a post-mitigation test within the inspection period so your closing does not slip. My real estate radon page covers the process.
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Our Olathe services: Radon Mitigation Systems, Radon Testing
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