Radon Mitigation Cost in Colorado Springs: 2026 Guide
Straightforward pricing for the Pikes Peak market — what systems cost, what moves the number, and the guarantees worth requiring in writing.
Key takeaways
- Typical Colorado Springs cost: $800–$2,000 for a professionally installed mitigation system.
- Standard sub-slab system: $1,000–$1,500 for most homes with basements.
- Complex homes: $1,300–$3,000 for difficult foundations, crawl spaces, or very high starting levels.
- Testing first: DIY kits $15–$50; professional tests $150–$250.
- Require in writing: a guarantee of reduction below 4.0 pCi/L and a minimum 5-year fan/workmanship warranty (per Colorado health officials).
Average radon mitigation cost in Colorado Springs
Most Colorado Springs homeowners pay $800–$2,000 for a professionally installed radon mitigation system. A standard sub-slab depressurization system in a home with a basement typically lands at $1,000–$1,500. Colorado's health department cites $1,000–$2,000 as typical statewide, with $1,300–$3,000 for homes with difficult designs.
| Scenario | Typical cost | Notes |
|---|---|---|
| Standard sub-slab system | $1,000–$1,500 | Basement home, single suction point — the most common job |
| Simple / accessible install | $800–$1,200 | Easy pipe routing, straightforward electrical |
| Crawl space system | $1,500–$2,500 | Sub-membrane depressurization + sealed vapor barrier |
| Complex foundation | $1,300–$3,000 | Multiple suction points, very high starting levels |
| Activate passive system | ~$500 | If the home was built with passive radon piping, adding a fan |
What drives the price up or down?
1. Foundation type
Basement homes are the simplest and cheapest to mitigate — one suction point through the slab usually does it. Crawl spaces need a sealed membrane plus the fan system, adding labor and materials. Slab-on-grade homes fall in between.
2. Number of suction points
Large footprints, additions built at different times, or interior footings that block airflow can require two or more suction points — each adds pipe, labor, and sometimes a second fan.
3. Pipe routing
Running the vent pipe through an interior chase (garage, closet) looks cleaner but takes more labor than a straight exterior run. Homes where the pipe must cross finished spaces cost more.
Electrical access — the fan needs power; a nearby circuit keeps costs down, while a long new run adds cost.
4. Starting radon level
Extremely high readings (20+ pCi/L) sometimes need a higher-capacity fan or additional sealing work to hit the guaranteed target.
Ongoing costs after installation
A mitigation fan costs roughly $75–$150 per year in electricity (about the draw of a continuously running 60–90 watt bulb) and fans typically last 5–10+ years; replacement fans run $200–$400 installed. Retesting every two years costs $15–$250 depending on DIY or professional testing.
Financial assistance for Colorado homeowners
Colorado's Low Income Radon Mitigation Assistance (LIRMA) program can cover mitigation costs for eligible low-income homeowners whose primary residence tests above 4 pCi/L. If cost is the barrier between you and a fixed home, check the Colorado Department of Public Health and Environment's program before delaying.
How to compare mitigation quotes
- Licensed radon mitigation professional (verify via the state's lookup tool)
- Written guarantee: levels reduced below 4.0 pCi/L
- Minimum 5-year warranty on fan and workmanship
- Post-installation testing included to verify results
- Pipe routing and termination point specified (above roofline)
- Electrical work included in the bid
- At least three bids — pricing varies meaningfully between contractors
Get three quotes. Pick with confidence.
Free quotes from licensed Colorado Springs radon professionals — with the written guarantees that matter.
Get My Free Quotes or call (719) 555-0147Price ranges reflect the Colorado Springs market as of 2026, consistent with publicly reported Colorado pricing. Every home is different — confirm with on-site quotes from licensed professionals. Last updated September 2026.