Radon Mitigation Service in Centennial, CO

Radon mitigation service helps create a safer indoor environment by reducing the risk of long-term exposure to this radioactive gas. Found in homes across the country, radon is both invisible and odorless, yet it can significantly impact health over time, especially by increasing the risk of lung cancer. A well-installed mitigation system lowers radon levels effectively, making homes healthier places to live. It also contributes to better indoor air quality overall, which can be particularly important for families with young children or elderly members. In addition, addressing radon early can prevent the need for more expensive remediation later, preserving both health and home value.


Choosing a certified radon mitigation service means placing the well-being of your home and family in experienced hands. Trained professionals assess your specific property layout, identify problem areas, and design custom solutions tailored to reduce radon to acceptable levels. The benefits include not only peace of mind but also long-term cost savings by avoiding potential health-related expenses. Service providers who follow national and state protocols also conduct post-installation testing, giving homeowners verified proof that their air is safer. 


Radon Free Colorado, LLC provides a professional radon mitigation service designed to deliver long-term protection for homes in Centennial, CO. Backed by state and national certifications, our team offers deep experience combined with a strong local presence. We communicate clearly, act quickly, and focus on doing the job right — so your family can breathe easier every day.

Discover - Centennial, CO

Centennial, located in Arapahoe County, Colorado, offers a balanced mix of residential living, outdoor recreation, and local attractions. Residents and visitors can enjoy Centennial Center Park, a public space with interactive features and walking paths. The Willow Creek Trail provides a convenient route for bikers and joggers, while Snöbahn offers indoor skiing and snowboarding for year-round practice. Cultural and spiritual interests are represented by the Denver Colorado Temple, a notable landmark in the area. Those looking for local flavor can visit Downslope Distilling, known for small-batch spirits. Centennial maintains strong infrastructure, quality schools, and access to nearby Denver, making it a practical place to live or explore.

Happy Customers in Centennial, CO

Extremely knowledgeable and down to earth guy. So hard to find good contractors these days - but he is very fair with pricing and very good and what he does. I am a Realtor and will continually use him for my business and my clients. Can't recommend highly enough!

Phillip B.

Aaron and radon free Colorado did a great job with our radon mitigation. Unsafe levels were common in our basement until they did our radon mitigation. After the install, we have not seen unsafe levels.



Aaron also helped us with a sump pump emergency recently, for which I am very grateful!

Zachary B.

Aaron and Radon Free Colorado were excellent! They communicated well, we’re always on time, and got the job done professionally, quickly and according to plan! I would use them again and would recommend them them to anybody else.

Jeff P.

Highly recommend going with Radon Free Colorado!!! Aaron was honest, professional, and incredibly knowledgeable. These attributes in a company are so appreciated and make me, the customer, feel at ease. Greatly appreciate you, Aaron!! 10/10!

Alyce G.

Aaron is hands-down the best at what he does. We had a home closing scheduled just 2 weeks out & he found a way to squeeze us in the day before closing, despite his VERY busy schedule. He's busy for a reason: he's personable, he's professional, and he knows how to get the job done. Our Radon mitigation system was installed correctly the first time, not just on the home we were selling, but also the one we turned around & bought! I couldn't speak more highly of his work.

Christopher B.

Aaron was amazing to work with. He responded quickly to my call and was able to get out the next day! He was on time not some 6 hour window. When he was here he was professional. He gave options to what we needed and explained the best option. He educated us about our current set up and what he added. He is clean and did not leave the work area dirty! I would highly recommend this company!

Crystal L.

Extremely knowledgeable and down to earth guy. So hard to find good contractors these days - but he is very fair with pricing and very good and what he does. I am a Realtor and will continually use him for my business and my clients. Can't recommend highly enough!

Phillip B.

Extremely knowledgeable and down to earth guy. So hard to find good contractors these days - but he is very fair with pricing and very good and what he does. I am a Realtor and will continually use him for my business and my clients. Can't recommend highly enough!

Phillip B.

Aaron and radon free Colorado did a great job with our radon mitigation. Unsafe levels were common in our basement until they did our radon mitigation. After the install, we have not seen unsafe levels.



Aaron also helped us with a sump pump emergency recently, for which I am very grateful!

Zachary B.

Aaron and Radon Free Colorado were excellent! They communicated well, we’re always on time, and got the job done professionally, quickly and according to plan! I would use them again and would recommend them them to anybody else.

Jeff P.

Highly recommend going with Radon Free Colorado!!! Aaron was honest, professional, and incredibly knowledgeable. These attributes in a company are so appreciated and make me, the customer, feel at ease. Greatly appreciate you, Aaron!! 10/10!

Alyce G.

Aaron is hands-down the best at what he does. We had a home closing scheduled just 2 weeks out & he found a way to squeeze us in the day before closing, despite his VERY busy schedule. He's busy for a reason: he's personable, he's professional, and he knows how to get the job done. Our Radon mitigation system was installed correctly the first time, not just on the home we were selling, but also the one we turned around & bought! I couldn't speak more highly of his work.

Christopher B.

Aaron was amazing to work with. He responded quickly to my call and was able to get out the next day! He was on time not some 6 hour window. When he was here he was professional. He gave options to what we needed and explained the best option. He educated us about our current set up and what he added. He is clean and did not leave the work area dirty! I would highly recommend this company!

Crystal L.

Extremely knowledgeable and down to earth guy. So hard to find good contractors these days - but he is very fair with pricing and very good and what he does. I am a Realtor and will continually use him for my business and my clients. Can't recommend highly enough!

Phillip B.

Aaron and radon free Colorado did a great job with our radon mitigation. Unsafe levels were common in our basement until they did our radon mitigation. After the install, we have not seen unsafe levels.



Aaron also helped us with a sump pump emergency recently, for which I am very grateful!

Zachary B.

Hire Us! Best and Top Rated Radon Mitigation Service in Centennial, CO

Radon Free Colorado, LLC specializes in expert radon mitigation service, dedicated to safeguarding residential air quality in Centennial, CO. Our trained professionals follow state and national standards to reduce harmful radon levels in homes and businesses. Each project begins with a thorough assessment to determine the right mitigation method, ensuring both safety and compliance. We understand the risks of radon exposure and are committed to providing dependable protection backed by data-driven solutions.


Our services cover a wide range of needs—from installing sub-slab depressurization systems to sealing crawlspaces and upgrading sump pump setups. We tailor every installation to the unique structure and conditions of each property. Whether you own a single-family home or manage a multi-unit complex, we deliver solutions that align with your long-term safety goals. Our team remains up to date with evolving industry practices, maintaining a strong record of satisfied clients across Centennial and nearby areas.


Radon Free Colorado is more than a service provider — we’re a trusted partner in creating healthier spaces. With responsive support, transparent pricing, and proven results, we make the radon mitigation process easy to understand and stress-free. Schedule your radon inspection today and take a proactive step toward a safer living or working environment!

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Phone us today at 303-305-8419 or fill out our form below to get our services in Castle Rock, Colorado.

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