
Radon Pros in Colorado
112 contractorsEPA zone context: Most of Colorado's Front Range corridor is EPA Zone 1 — the highest risk classification. Colorado has one of the highest radon testing rates in the country.
Quality Building Inspections, LLC
4.0 (398 Google reviews)
Licensed Provider: Douglas Fast
Quality Building Inspections, LLC is a home inspection company with radon testing capabilities serving Centennial, CO. Services include radon testing, radon measurement. Works with slab foundations. Methods include heat recovery ventilation. Holds Certified Radon Measurement Professional certification. Rated 4.0/5 on Google based on 398 reviews. Offers real estate transaction testing, licensed and insured.
A Precise Home Inspection Inc
5.0 (2037 Google reviews)
Key Inspection Services
5.0 (453 Google reviews)
Licensed Provider: Daniel W. Noteboom
Colorado Vintage Co., Inc.
Licensed Provider: Douglas L. Kladder
Colorado Vintage Co., Inc. is a dedicated radon services company serving Colorado Springs, CO. Established in 1984. Services include radon mitigation system installation, mitigation system design, radon testing, radon measurement. Methods include heat recovery ventilation. Holds Certified Radon Mitigation Specialist and Certified Radon Measurement Professional certifications.
A Step Above Inspections LLC
Licensed Provider: Dustin Snyder
Peak Home Inspections
3.5 (11 Google reviews)
Licensed Provider: Dylan Margerum
Peak Home Inspections is a contractor offering radon-related services serving Colorado Springs, CO. Services include radon testing, radon measurement. Works with basements, crawlspaces. Methods include heat recovery ventilation. Holds Certified Radon Measurement Professional certification. Rated 3.5/5 on Google based on 11 reviews.
Pillar to Post Home Inspectors
Licensed Provider: Joshua Deck
Brick and Mortar Home Inspections
Licensed Provider: Kevin Baker
PDS Radon Supply is a dedicated radon services company serving Colorado Springs, CO. Established in 1996. Services include radon testing, radon mitigation system installation. Works with slab foundations, crawlspaces. Methods include heat recovery ventilation. Rated 5.0/5 on Google based on 28 reviews.
Peace of Mind Limited (dba Serenity Services)
Licensed Provider: Peter Oldmixon
Pillar to Post
4.9 (558 Google reviews)
Licensed Provider: Adam Bartczak
Pillar to Post is a contractor offering radon-related services serving Denver, CO. Established in 2011. Services include radon testing, radon measurement. Methods include heat recovery ventilation. Holds Certified Radon Measurement Professional certification. Rated 4.9/5 on Google based on 558 reviews. Offers real estate transaction testing.
State Info
Radon levels vary house-to-house even in the same city. Testing your own home is the only reliable way to know your risk.
Popular Cities for Radon Mitigation in Colorado
FAQ: Radon Mitigation in Colorado
Why is radon so high in Colorado?
Colorado sits on uranium-rich granitic rock. The high altitude means lower atmospheric pressure, which draws more radon from the soil. Cold winters keep homes sealed tight, trapping radon inside.
Is radon testing required when buying a home in Colorado?
Not legally required, but radon testing is extremely common in Front Range real estate transactions. Most buyers' agents recommend it.
Should I test my Denver-area home?
Yes. The Denver metro is in EPA Zone 1. Individual homes vary widely — some test below 2.0 pCi/L while others exceed 20.0. The only way to know is to test.
How much does radon mitigation cost in Colorado?
Most homeowners in Colorado see mitigation quotes in the low-thousands, but the final cost depends on foundation type, fan location, and pipe routing complexity. A cost calculator can help you benchmark estimates before requesting bids.
Do I need radon testing in Colorado before hiring a contractor?
Yes. A valid short-term or long-term test is the fastest way to confirm if mitigation is needed and to scope the right system design.
What radon level is dangerous in Colorado?
EPA recommends action at 4.0 pCi/L, and many homeowners choose to reduce levels even below that threshold. Most of Colorado's Front Range corridor is EPA Zone 1 — the highest risk classification. Colorado has one of the highest radon testing rates in the country. ZIP-level lookup tools are useful for local context, but home testing is still required.
State Resources for Colorado
Radon mitigation cost in Colorado
Estimate likely project pricing by foundation type and system complexity.
Radon testing guide for Colorado homes
Learn when and how to test, plus how to interpret pCi/L results.
Radon levels and EPA zones in Colorado
See how state-level risk varies and what zone maps can and cannot tell you.
ZIP-level radon risk in Colorado
Check projected local risk by ZIP code before you request quotes.