Mount Crested Butte, CO Radon Levels

Q: What EPA Radon Zone is Mount Crested Butte in?

Mount Crested Butte is in Gunnison County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Mount Crested Butte?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Mount Crested Butte radon levels and find certified testing and mitigation professionals to keep your home safe

Mount Crested Butte, CO Radon Facts

EPA Radon Zone Unknown Unknown

County Gunnison County, CO

Zip Code 81225

This high-altitude resort community in Gunnison County sits at over 9,000 feet elevation in the Colorado Rockies, where granite and metamorphic bedrock can contribute to variable radon levels. Mountain geology and seasonal temperature variations can affect radon accumulation patterns in both year-round residences and vacation properties throughout the 81225 area. Given the limited testing data available, property owners should consider professional radon testing regardless of occupancy patterns.

8.40

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 8.40 pCi/L, based on 35 tests from 9 nearby cities. No readings have been submitted for Mount Crested Butte yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Mount Crested Butte, CO Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Radon Readings Near Mount Crested Butte, CO

No homeowner tests have been submitted for Mount Crested Butte yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Crested Butte	2.2 mi	8.56 pCi/L	9
Aspen	21.7 mi	4.00 pCi/L	1
Paonia	34.3 mi	6.00 pCi/L	1
Crawford	37.9 mi	8.00 pCi/L	1
Leadville	42.9 mi	5.67 pCi/L	3
Buena Vista	44.1 mi	12.57 pCi/L	7
Gunnison	44.3 mi	7.38 pCi/L	8
Edwards	46.3 mi	6.75 pCi/L	4

Gunnison County Radon Profile

Gunnison County has not been assigned a definitive EPA radon zone, so the agency recommends that every home be tested regardless of predicted risk. User-submitted readings are still sparse within Gunnison County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Gunnison County.

Radon FAQ for Mount Crested Butte, CO

What EPA Radon Zone is Mount Crested Butte in?

Mount Crested Butte and the 81225 zip code are in Gunnison County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

Why are radon readings shown from areas near Mount Crested Butte?

No homeowner radon tests have been submitted for Mount Crested Butte yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Gunnison County average—are the best available indicator of local conditions until Mount Crested Butte homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Mount Crested Butte?

Radon mitigation in Mount Crested Butte typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Mount Crested Butte?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.