Radon Mitigation Cost in Denver (2026): Average Price & Estimate

Radon Mitigation Cost in Denver

Estimated radon mitigation cost in Denver

$900–$2,800

Roughly about 12% above the national average.

Growth and labor demand push costs above average.

Estimate your cost

System type

Foundation

ZIP code (optional, adjusts for your area)

Based on Denver, CO pricing.

Estimated cost range

$900–$2,800

BudgetTypicalPremium

An estimate for planning, not a quote. Get written quotes from local pros below.

Estimate, not a quote. Local prices vary by contractor and project. These are 2026 estimates for Denver, CO. Get written quotes from licensed Denver contractors before you budget.

Free, no obligation

Get matched with local radon mitigation (denver) pros

Tell us about your project and we will help you get free quotes from vetted contractors in your area.

Full name

Phone

ZIP code

Timeline

Project details (optional)

By clicking the button below, I agree that HouseProjectCalc and up to four home-improvement providers matched to my project may contact me at the phone number and email I provided, including by automated telephone dialing system, prerecorded voice, text message, and email, about my project, even if my number is on a Do Not Call list. Consent is not a condition of any purchase. Message and data rates may apply. I have read and agree to the Privacy Policy and Terms of Use.

Secure form. We only share your details with pros you ask to be matched with. See our Privacy Policy.

What to know about radon mitigation in Denver

Frost heave and freeze-thaw in Denver can stress foundations, so good drainage and proper footing depth matter for a lasting result.

What affects radon mitigation cost in Denver

Beyond the local market, the same factors that drive radon mitigation cost everywhere apply in Denver:

System type and number of suction points.
Foundation type: slab, basement, or crawlspace.
Fan size and routing of the vent pipe.
Sealing of cracks and openings.

Radon Mitigation cost by system type in Denver

These figures are adjusted for Denver pricing (about 1.12x the national average), so they reflect what local homeowners actually pay.

Estimated radon mitigation cost by system type in Denver (2026)

System type	Typical cost in Denver	Notes
Sub-slab suction	$900 to $2,800	The baseline.
Sump-pit system	$975 to $3,100	installed
Crawlspace membrane	$1,250 to $3,900	installed
Multiple suction points	$1,350 to $4,200	installed

Frequently asked questions

How much does radon mitigation cost in Denver?

In Denver, CO, radon mitigation typically costs $900 to $2,800 in 2026 for a standard project, about 12% above the national average. Your exact price depends on size, materials, and scope.

Why does radon mitigation cost more or less in Denver?

Growth and labor demand push costs above average. Labor rates, permit costs, and local demand are the main reasons Denver prices differ from the national average.

Do I need a permit for radon mitigation in Denver?

Most radon mitigation projects require a permit. Requirements vary by city and Colorado jurisdiction, so confirm with your local building department. A licensed contractor usually pulls the permit for you.

When is the best time of year for radon mitigation in Denver?

In Denver, exterior work is easiest from late spring through early fall. Winter weather can delay roofing, siding, concrete, and foundation jobs, and some crews book up fast once the weather breaks.

Is radon mitigation cheaper outside Denver?

Sometimes. Denver runs about 12% above the national average. Nearby smaller towns with lower labor costs can come in cheaper, while denser urban areas often cost more. Always compare quotes from contractors who serve your specific area.