Radon Mitigation in Castle Rock, Colorado

16 verified radon specialists serving Castle Rock. Every listing shows the credentials we verified.

Informational only. This page helps you find certified professionals. It is not medical, legal, or structural safety advice. For any health or safety hazard, consult a certified/licensed expert. See our verification methodology.

Typical cost in Castle Rock

$800–$2,500

Credentials to expect

NRPP Certified, NRSB Certified, AARST Member

Key fact

Radon causes ~21,000 lung-cancer deaths per year in the U.S. (EPA).

Radon specialists in Castle Rock

16 listings

Affinity Home Inspections LLC

Castle Rock, Colorado

Featured
✓ HVAC Certification

Affinity Home Inspections LLC is a certified residential and commercial property inspection company based in Castle Rock, Colorado. Founded and operated by Jared LeBlanc, the business provides a comprehensive suite of inspection services to homeowners, buyers, and real estate professionals throughout the greater Denver metro area and surrounding communities. Services include radon testing performed by NRPP and DORA certified professionals, sewer scope inspections using high-definition rigid cameras, and aerial drone footage when conditions require elevated assessment. Jared LeBlanc holds multiple professional credentials, including PHII, DORA, and NRPP radon measurement certifications, a Colorado General Contractor license, and an HVAC certification. He brings over 20 years of combined experience in the construction field, having worked as a roofing inspector and project manager, a masonry contractor for a decade, and a commercial general contractor who oversaw the construction of a multi-million-dollar apartment complex. Affinity Home Inspections serves a broad coverage area across Colorado, including Castle Rock, Denver, Aurora, Greeley, Monument, and the Colorado Springs area. Out-of-area inspections are available upon request, with trip charges applied for extended drive time. The company emphasizes exceptional customer service and professional, respectful treatment of all clients.

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Aspire Property Inspection

Castle Rock, Colorado

Featured
✓ PHII Certified Property Inspector✓ NRPP Measurement✓ NRPP Mitigation

Aspire Property Inspection is a licensed and insured property inspection company based in Castle Rock, Colorado, serving homeowners, buyers, renters, and commercial clients across Colorado's Front Range. The company is a US Military Veteran-owned family business staffed by certified property inspectors. Aspire offers a comprehensive range of inspection services including residential home inspections, residential rental inspections, commercial property inspections, sewer scope inspections, and radon testing. Inspectors are certified through PHII, a nationally approved institution, and hold radon licenses through both NRPP and DORA. Aspire Property Inspection serves a broad coverage area spanning the Denver Metro area, Colorado Springs, Pueblo, Fort Collins, and Greeley. The company provides discounts for military veterans, police officers, firefighters, and EMTs, as well as savings when bundling sewer scope or radon testing with a standard home inspection. Customers consistently praise Aspire's inspectors for thoroughness, professionalism, and detailed reporting with photos, making them a trusted choice for property inspections throughout the Colorado Front Range.

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Jarad Hayden

Castle Rock, Colorado

Featured
✓ CO DORA Radon Measurement Professional✓ Radon Measurement Professional

Jarad Hayden is a Radon Measurement Professional serving Castle Rock, Colorado. He is certified as a Colorado DORA Radon Measurement Professional and certified as a Radon Measurement Professional. Contact Jarad Hayden for more information.

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Robert Head

Castle Rock, Colorado

Featured
✓ CO DORA Radon Mitigation Professional✓ Radon Mitigation Professional

Robert Head is based in Castle Rock, CO and offers Radon Mitigation Professional services. He holds the CO DORA Radon Mitigation Professional certification and the Radon Mitigation Professional certification. Contact Robert Head for more information.

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6224 Inspections

Castle Rock, Colorado

Pro
✓ NRPP Measurement✓ NRPP Mitigation

6224 Inspections is a radon professional serving Castle Rock, CO. The company is certified by the National Radon Proficiency Program (NRPP) in both measurement and mitigation, providing comprehensive radon testing and remediation services. Contact 6224 Inspections for more information.

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Colorado Radon Mitigation

Castle Rock, Colorado

Pro
✓ NRPP Measurement✓ NRPP Mitigation

Colorado Radon Mitigation is a radon professional serving Castle Rock, CO. The business is certified in both NRPP Measurement and NRPP Mitigation, demonstrating expertise in identifying and addressing radon issues. Contact Colorado Radon Mitigation for more information.

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Holli Leblanc

Castle Rock, Colorado

Pro
✓ CO DORA Radon Mitigation Professional✓ Radon Mitigation Professional

Holli Leblanc is a radon mitigation professional serving Castle Rock, CO. Holli Leblanc is certified as a CO DORA Radon Mitigation Professional and Radon Mitigation Professional. Contact Holli Leblanc for more information.

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Jared Leblanc

Castle Rock, Colorado

Pro
✓ CO DORA Radon Mitigation Professional✓ Radon Mitigation Professional

Jared Leblanc is a radon mitigation professional serving Castle Rock, CO. He holds certifications as a CO DORA Radon Mitigation Professional and Radon Mitigation Professional. Contact Jared Leblanc for more information.

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Kevin Harbour

Castle Rock, Colorado

Pro
✓ CO DORA Radon Mitigation Professional✓ Radon Mitigation Professional

Kevin Harbour is a radon mitigation professional serving Castle Rock, Colorado. He holds certification as a Colorado Department of Regulatory Agencies (CO DORA) Radon Mitigation Professional and is certified as a Radon Mitigation Professional. Contact Kevin Harbour for more information.

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Aaron Woodfield

Castle Rock, Colorado

Free
✓ CO DORA Radon Measurement Professional✓ Radon Measurement Professional

Aaron Woodfield is a Radon Measurement Professional serving Castle Rock, CO. He is certified as a CO DORA Radon Measurement Professional and holds certification as a Radon Measurement Professional. Contact Aaron Woodfield for more information.

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Affinity Home Inspections

Castle Rock, Colorado

Free
✓ HVAC Certified

Affinity Home Inspections is a certified residential and commercial property inspection company based in Castle Rock, Colorado. Founded and operated by Jared LeBlanc, the business draws on more than 20 years of combined experience in the construction field, including work as a roofing inspector and project manager, a decade as a masonry contractor, and three years managing the construction of a multi-million-dollar apartment complex under a commercial general contractor's license. Affinity Home Inspections serves a broad coverage area spanning Greeley, Denver, Aurora, Castle Rock, Monument, and the Colorado Springs area, with out-of-area inspections available upon request. The company provides thorough residential and commercial inspections including radon testing performed by NRPP and DORA certified professionals, sewer scope inspections using high-definition rigid cameras, and aerial drone footage when site conditions require it. Additional credentials include an HVAC certification. Jared LeBlanc emphasizes exceptional customer service and treats every client with professionalism and respect. Affinity Home Inspections is self-operated and has strong references built over years of work across Colorado's Front Range communities.

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Cody Jones

Castle Rock, Colorado

Free
✓ CO DORA Radon Mitigation Professional✓ Radon Mitigation Professional

Cody Jones is a radon mitigation professional located in Castle Rock, Colorado. He holds dual certification: Colorado Department of Regulatory Agencies (CO DORA) Radon Mitigation Professional and Radon Mitigation Professional. Contact Cody Jones for more information.

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Elevation Radon Control LLC

Castle Rock, Colorado

Free
✓ NRPP Measurement✓ NRPP Mitigation

Elevation Radon Control LLC provides radon professional services in Castle Rock, Colorado. The company is certified with NRPP Measurement credentials, enabling accurate radon level testing in homes and buildings. Additionally, Elevation Radon Control LLC holds NRPP Mitigation certification, allowing them to design and implement radon reduction systems. Contact Elevation Radon Control LLC for more information.

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Jamie Tanella

Castle Rock, Colorado

Free
✓ CO DORA Radon Mitigation Professional✓ Radon Mitigation Professional

Jamie Tanella is a radon mitigation professional located in Castle Rock, Colorado. Jamie holds certifications as both a Colorado DORA Radon Mitigation Professional and a Radon Mitigation Professional. These credentials enable Jamie to deliver professional radon mitigation services for residential properties. Contact Jamie Tanella for more information.

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Lifetime Home Services, LLC

Castle Rock, Colorado

Free
✓ Certified Master Inspector✓ InterNACHI Certified✓ American Home Inspector Training Certified

Safe Investment Home Inspections is a certified home inspection company serving the Denver Metro area and surrounding Colorado communities, including Castle Rock, Aurora, Boulder, Arvada, Centennial, Thornton, Parker, Littleton, Westminster, Broomfield, Highlands Ranch, Golden, Brighton, and dozens of additional cities within a 60-mile radius of Denver. The company employs seven inspectors who collectively hold over 22 certifications and have completed more than 15,000 successful inspections, earning more than 800 client reviews. Inspectors hold Certified Master Inspector credentials through InterNACHI, American Home Inspector Training, and Kaplan Home Inspection Training. Services span residential, townhome, condo, commercial, and multi-family property inspections, along with pre-listing, new construction final walk-through, pre-drywall, and one-year builder warranty inspections. Specialty services include mold testing, radon testing, infrared thermal imaging, and sewer scope inspections. The company is fully insured and backs every engagement with a 200% satisfaction guarantee and a 110% best price guarantee. Safe Investment Home Inspections draws on more than 24 years of hands-on residential and commercial construction experience across the Colorado Front Range.

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Lion Heart Home Inspection

Castle Rock, Colorado

Free
✓ InterNACHI Certified Professional Inspector✓ ASHI Certified Inspector✓ Certified Residential Thermographer

Lion Heart Home Inspections is a professional home inspection company based in Castle Rock, Colorado, serving buyers, sellers, and real estate professionals throughout the state with a team of certified inspectors known for thoroughness, integrity, and expertise. The company's inspectors hold InterNACHI and ASHI certifications, ensuring every inspection meets rigorous industry standards. Lead inspector Benjamin Ruh has been performing certified home inspections in Colorado since 2016 and is also a certified residential thermographer, enabling the team to detect thermal anomalies not visible to the naked eye. Inspector Stephen Tonge is fully licensed and certified to perform Wood-Destroying Organism (WDO) inspections in Colorado, expanding the range of services available to clients. Radon testing is handled by Jamie Tanella, an InterNACHI Certified and NRPP Certified radon professional who ensures all testing devices are properly maintained and every test is conducted with care. Lion Heart Home Inspections is committed to providing detailed, accurate reports that give clients the information they need to make informed real estate decisions. The team accesses all areas of a property including rooftops, crawl spaces, and attics to ensure nothing goes unchecked. Dedicated operations staff manage scheduling and client communication, delivering a smooth and professional experience from first contact through final report delivery.

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Radon Mitigation in Castle Rock — FAQ

What radon level requires mitigation?
The EPA action level is 4.0 pCi/L. Mitigation is recommended at or above this; consider it between 2–4 pCi/L.
How much does radon mitigation cost?
Most residential systems run $800–$2,500, depending on home size, foundation type, and radon level.
Should the contractor be NRPP-certified?
Yes. NRPP or NRSB certification verifies the contractor is trained and tested to AARST standards. Every provider here is listed with their credential.

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