Radon Contractors in Castle Rock, CO

Castle Rock sits at the south end of the Denver radon market, and the radon contractors here are as likely to be based in Elizabeth or Larkspur as in town. Seven businesses are on this page: three install mitigation systems and four are home inspectors who test for radon but do not install anything. Two of the businesses are based in Elizabeth and two in Larkspur, the smaller towns that share the page.

The three installers are Elevation Radon Control, Professional Advantage Radon and FULLERBUILT RADON MITIGATION LLC. Elevation Radon Control is a locally owned mitigation contractor in Castle Rock with NRPP-certified technicians. It evaluates each home, builds a system around it and guarantees the system. It also provides free radon test kits after installation so the home can be checked against the levels the EPA recommends. Its rating is 5.0 from 62 reviews.

Professional Advantage Radon is based in Elizabeth and has been Colorado owned and operated since 1986. It serves the Denver area, tests residential and commercial properties, including 480-hour continuous monitoring, and installs sub-slab and sub-membrane systems. It is rated 4.7 from 14 reviews. FULLERBUILT RADON MITIGATION LLC in Larkspur takes online estimate requests and on-site visits by appointment. It is rated 5.0 from 5 reviews, all five stars.

Best radon contractors in Castle Rock

Professional Advantage Radon

4.7(14 reviews on Google)

4290 Saddlewood Rd, Castle Rock (based in Elizabeth)

  • Installs radon mitigation systems
  • Radon testing
  • Sub-slab depressurization
(303) 503-8764

Brink Home Inspection

Testing only

4.9(50 reviews on Google)

7645 Rollins Dr, Castle Rock (based in Larkspur)

  • Radon testing
  • Colorado radon license shown
(303) 656-2055

The testers are RBS&K Home & Building Inspectors, Inc. in Elizabeth, Lion Heart Home Inspections and Affinity Home Inspections in Castle Rock, and Brink Home Inspection in Larkspur. RBS&K, founded in 1992 and covering residential, light commercial, rural, ranch and horse properties, is rated 4.9 from 496 reviews. Lion Heart is rated 5.0 from 290 reviews and has a team member who is both InterNACHI and NRPP certified and licensed to test in Colorado. Affinity is led by Jared LeBlanc, who is certified in radon measurement through PHII, DORA and NRPP, and is rated 5.0 from 175 reviews. Brink Home Inspection is rated 4.9 from 50 reviews and shows a Colorado radon license.

Colorado requires radon measurement and mitigation professionals to be licensed by DORA and certified by NRPP or NRSB, so it is reasonable to ask any of these businesses for its license number before booking.

Service areas run well beyond Castle Rock. Denver is the most common, with Elizabeth and Larkspur next, then Colorado Springs, Commerce City, Westminster, Evergreen and Arvada. Parker, Centennial, Littleton, Englewood and Aurora each have their own page for readers closer to those towns.

Common questions about radon contractors in Castle Rock

Who installs radon systems in Castle Rock and the towns around it?

Elevation Radon Control in Castle Rock, Professional Advantage Radon in Elizabeth and FULLERBUILT RADON MITIGATION LLC in Larkspur install mitigation systems. Professional Advantage Radon works with sub-slab and sub-membrane systems and also covers commercial properties.

Which Castle Rock inspectors test for radon?

Lion Heart Home Inspections and Affinity Home Inspections are in Castle Rock, RBS&K Home & Building Inspectors, Inc. is in Elizabeth and Brink Home Inspection is in Larkspur. All four test only and do not install systems, so a high result means hiring an installer.

Does any Castle Rock radon tester show a Colorado license?

Brink Home Inspection in Larkspur shows a Colorado radon license. Lion Heart Home Inspections has a team member licensed to test in Colorado, and Affinity Home Inspections is led by an inspector certified in radon measurement through PHII, DORA and NRPP.

Who offers a guarantee or a follow-up test after mitigation near Castle Rock?

Elevation Radon Control guarantees its systems and provides free radon test kits after installation. Professional Advantage Radon offers a warranty or guarantee and a post-mitigation test, and also offers free estimates.

Can I get radon testing for a new home in Castle Rock?

Affinity Home Inspections recommends radon testing at the pre-walkthrough stage of a new home, alongside a sewer line check. Professional Advantage Radon tests residential and commercial properties, including long continuous monitoring.

Radon Contractors near Castle Rock