If you're testing in Colorado Springs and starting to think about cost, here's the honest range. A typical Colorado Springs mitigation system lands between $900 and $1,900 for a straightforward basement install — which lines up with CDPHE's $1,000–$2,000 baseline.[1] Crawlspaces, finished basements, and multi-zone foundations push higher, sometimes well above $3,000.
This page walks through the four scenarios that cover almost every Colorado Springs home, what's actually driving the price in each one, and what to look for in a written quote. We'll also flag the things that make Colorado Springs different from a national average — your altitude affects your fan, your foundation type may not match the national baseline, and Colorado's contractor licensing is real and verifiable.
Why Colorado Springs is on the higher-risk side of Colorado
Colorado is entirely classified as EPA Zone 1, meaning every county is predicted to have an indoor average above 4.0 pCi/L.[2] El Paso County is among the highest-risk counties in that high-risk state: county public health data shows that more than 40% of homes tested between 2005 and 2023 came back elevated.[3] The reason is in the rock under your feet — Pikes Peak granite is uranium-bearing, and uranium decay is where indoor radon comes from. That doesn't change the install price directly, but it does mean Colorado Springs homes tend to start higher and may need slightly more robust systems to bring levels down to safe ranges.
Cost by scenario — Colorado Springs market data
These ranges are compiled from CDPHE, El Paso County Public Health, Angi, CostWhale, ProMatcher, InspectAndTest, and Colorado Springs contractor public pricing, 2024–2026. Use them to orient an estimate — not to argue with a contractor before they've seen your home.
Scenario A — Basic basement
$900–$1,900 in Colorado Springs (median around $1,400).
One suction point through the slab, sealed pit, 4" PVC up an exterior wall to a roof exhaust, name-brand inline fan (often a RadonAway RP145 for porous gravel), manometer at the suction point, post-mitigation test included. This is the most common Colorado Springs install — single-story or two-story home over an unfinished or partially finished basement.
What drives the price: soil porosity (loose gravel is cheaper; clay is harder), pipe routing distance, fan location (attic versus exterior wall), and electrical access. A passive radon rough-in from new construction can pull this scenario well below $1,200.
Scenario B — Finished basement
$1,400–$2,800 in Colorado Springs (median around $1,900).
Same core sub-slab design as Scenario A, but the pipe has to navigate around drywall, closets, drop ceilings, or finished utility space. Some installs need minor drywall cut-and-patch; some get routed through a mechanical room to minimize disruption. Aesthetic options like paint match, decorative pipe boxing, or exterior alternate routing add $200–$600.
What drives the price: how much finished surface needs to be protected or restored, ceiling height clearance, and HVAC interference. The contractor should walk the basement with you before quoting and explain exactly where the pipe will run.
Scenario C — Crawlspace
$1,800–$4,000 in Colorado Springs (median around $2,600).
A heavy vapor barrier laid across the entire crawlspace floor, sealed perimeter-to-perimeter, with lap seams sealed, penetrations sealed, and the barrier attached to footings. Suction is pulled from underneath. The labor is harder (low headroom, debris removal, footing complexity) and the materials are more expensive.
What drives the price: crawlspace headroom (lower = harder labor), total area, debris and moisture in the space, existing partial encapsulation, and the thickness of the vapor barrier. Older 6-mil barriers are no longer the recommended minimum — newer crawlspace installs commonly use 10–20 mil for durability. If your quote calls for 6-mil for a permanent system, ask why.
Scenario D — Multi-zone foundation
$2,200–$4,800 in Colorado Springs (median around $3,200).
Common in tri-level homes, split-levels, homes with additions, and homes with both a basement and a crawlspace under different parts of the footprint. Multiple suction points, sometimes multiple fans, and a diagnostic test (called pressure field extension, or PFE) should happen before the quote is finalized.
What drives the price: number of foundation zones, total square footage, soil conditions that may differ across the home, and number of fans needed. A contractor who quotes a multi-zone home like a Scenario A job — without diagnostics — is the contractor most likely to undersize the system. Ask whether they'll run a PFE before installing.
Add-ons that should be priced separately
An honest quote breaks these out instead of burying them.
| Add-on | Typical Colorado Springs cost |
|---|---|
| Electrical sub-panel work (if needed for fan circuit) | $150–$400 |
| Independent (third-party) post-mitigation test | $125–$200 |
| Decorative exterior paint match | $50–$150 |
| Pipe boxing or framing for finished-basement aesthetics | $150–$400 |
| Drywall restoration and paint (finished basement) | $200–$600 |
| Crawlspace debris removal | $150–$500 |
| Crawlspace dehumidifier (sometimes bundled with crawlspace mitigation) | $800–$1,500 |
| Replacement fan (5+ year fan lifespan) | $150–$400 plus labor |
What a fair Colorado Springs quote looks like
A complete written quote has these items called out. If yours is missing one, ask before signing.
- Contractor's DORA license number for radon mitigation, plus NRPP or NRSB certification number[4]
- Number of suction points and where they'll go
- Specific fan model (RP145, GP500, HS-series, etc.) and 5-year warranty
- Where the pipe exits (interior, exterior, above roof or above eave)
- Sealing scope — slab cracks, sump cover, floor-wall joint, plumbing penetrations
- Manometer install at the suction point, accessible and visible
- Permits — electrical permit handled by the contractor (Pikes Peak Regional Building Department covers most of El Paso County)[5]
- Post-mitigation test — within 30 days of install, 2–7 day duration, closed-house conditions
- Workmanship warranty — 1–2 year labor warranty separate from the fan warranty
Same single-story home over a partially-finished basement. Contractor A quotes $1,250 for a single-point exterior install with a 1-year workmanship warranty and no post-mitigation test. Contractor B quotes $1,800 with the same scope plus a 5-year workmanship warranty and a 48-hour post-mitigation test included. The $550 difference covers the verification step that proves the system actually brought radon below 4.0 pCi/L. Most Colorado Springs homeowners in this position pay the extra for the post-mit test — it's the only way to know the job worked.
Testing costs are separate
Mitigation quotes don't include the initial test. Your options in Colorado Springs:
- El Paso County Public Health Lab kits: $15 short-term, $42 long-term (1675 W. Garden of the Gods Rd; 719-578-3199 option 3)[3]
- Retail short-term kits: $15–$40 from Home Depot, Lowe's, Ace, or Amazon
- Professional measurement: $150–$300 for a continuous monitor placed by a DORA-licensed tester (used for real estate transactions)
Full detail on which test to use when: radon testing in Colorado Springs.
Ongoing operating cost
A typical radon fan draws 50–90 watts. At Colorado Springs electricity rates, that's roughly $5–$10 per month in electricity — EPA pegs it at under $10/mo for a typical system.[6] The fan is the only maintenance item; manufacturers rate them for 5+ years, and replacement runs $150–$400 in parts plus labor.