Get matched with top radon detection and reduction specialists in Lone Tree, CO

"Highly recommend! Came out gave me all the info I needed about Radon. Replaced my radon fan and retested ! Did a great job!"

"We hired Custom Radon Mitigation to handle our Radon problem. They were awesome, we had zero problems. Great work!"

"Jason was very helpful explaining the testing process, and possible mitigation if our Radon levels were high. Radon testing was setup and conduced quickly and our levels were in acceptable ranges, so no mitigation was required."

"Steve was flexible with my schedule and worked with me to put the radon system in a place that worked with our future plans for the house. He was knowledgeable and helpful! I highly recommend!"

"They showed up on time and finished within 2 hours completing radon mitigation system."

"I recently used #1 Radon to fix my existing radon mitigation system. I called and Jesse Fuller came to look at system same-day. He had it repaired the same week. He was professional and made me feel comfortable with work and costs to replace the existing fan. I highly recommend #1 Radon and Jesse Fuller."

"All Colorado Radon tackled a particularly difficult radon mitigation that other companies refused to mitigate. They were very thorough and knowledgeable. Most of all, they were successful in reducing radon levels to well below government standards. We would use them again."

"I couldn't be more pleased with the radon mitigation service John provided. The estimate was accurate-no surprises. He was prompt, efficient and quick- it took just over 2 hours and that's including answering all my questions (and I had a lot of questions!). John's customer service was excellent and the results have so far exceeded my expectations. I am very glad I chose RMR."

"John and his company were very professional. We had a couple snafus with the sale/buying of our houses. John was very accommodating. We got our radon done and very pleased :)"

Master Mitigators works with homeowners, buyers, sellers, real estate agents, builders, and business owners across Denver and the Front Range, where radon exposure remains a recognized concern. Colorado's soil and foundation construction create conditions that require informed assessment and tailored response. Addressing radon isn't only about installation—it's about understanding what's beneath your property and how to respond effectively.\n\nYou'll receive an evaluation that accounts for your foundation type, soil composition, and property layout. From there, the focus shifts to planning a system that fits your space without disrupting daily routines or compromising structural integrity. Every property presents different variables, and your solution should reflect that.\n\nReach out to Master Mitigators to schedule a radon assessment for your home or business.