Radon Contractors in Johnson City, Tennessee
Radon testing and mitigation system installation..
Johnson City is the Tri-Cities region's hub with steady residential contractor markets.
Radon is a naturally occurring radioactive gas that seeps into homes through foundation cracks, gaps, and porous concrete. It's the second leading cause of lung cancer after smoking, and the EPA recommends mitigation for any home testing at or above 4 pCi/L. Radon mitigation typically involves installing an active soil depressurization (ASD) system — a vent pipe and fan that draws radon from beneath the foundation slab and exhausts it above the roofline. Professional radon mitigation systems reduce levels by 80–99% and cost a fraction of what most homeowners expect. Testing is inexpensive and should be done in the lowest livable level of the home.
2
Listed contractors
$1k–$3k
Typical cost
What to look for when hiring a radon contractor
- ✓Look for NRPP or NRSB certified radon measurement and mitigation professionals.
- ✓Ask about pre- and post-mitigation testing to verify the system achieves levels below 4 pCi/L.
- ✓Confirm the system includes a U-tube manometer or alarm to indicate fan operation.
- ✓Get a written warranty guaranteeing radon levels will remain below 4 pCi/L.
Radon contractors in Johnson City(2 listed)
How much does radon cost in Johnson City?
Radon test: $100–$200 (professional). Mitigation system: $800–$2,500 installed. Most homes can be mitigated with a single ASD system. Complex foundations or very high levels may require additional work.
Radon contractors in Johnson City — FAQ
How many radon contractors are in Johnson City?
EdgeLocal lists 2 licensed radon contractors in Johnson City, Tennessee. All listings are sourced from state licensing registries.
What is the average rating for radon contractors in Johnson City?
Radon contractors in Johnson City are listed on EdgeLocal with ratings sourced from Google Business profiles. Use the directory to compare rated contractors near you.
Do radon contractors in Johnson City need to be licensed?
Yes. Tennessee requires radon contractors to hold a valid state license. Always verify a contractor's license is current and in good standing before signing any contract or allowing work to begin.
How do I find a reliable radon contractor in Johnson City?
Start by verifying the contractor holds a valid Tennessee license. Check their Google rating and read reviews. Get at least three written estimates. Confirm they carry general liability and workers' compensation insurance. Ask for references from recent Johnson City jobs.