Mount Crested Butte, CO Radon Mitigation and Testing

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.

Gunnison County

EPA Zone Unknown

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.

Mount Crested Butte, CO Radon Mitigation

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

Mount Crested Butte, CO Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Mount Crested Butte Radon Facts

Key details about the radon risk profile for Mount Crested Butte and the 81225 zip code area.

EPA Radon Zone

Unknown

County

Gunnison County, CO

Zip Code

81225

Predicted Screening Level

Unknown

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

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.

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.

Most Active Radon Markets in Colorado

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Fairplay	12.00 pCi/L	9
Crested Butte	8.56 pCi/L	9
Denver	6.22 pCi/L	9
Montrose	9.25 pCi/L	8
Gunnison	7.38 pCi/L	8
Buena Vista	12.57 pCi/L	7
Pueblo	10.67 pCi/L	6
Grand Junction	8.17 pCi/L	6
Bayfield	6.00 pCi/L	6
Canon City	10.80 pCi/L	5
Aurora	7.40 pCi/L	5
Windsor	7.00 pCi/L	5
Telluride	6.80 pCi/L	5
Parker	5.40 pCi/L	5
Salida	15.50 pCi/L	4
Johnstown	9.50 pCi/L	4
Granby	9.00 pCi/L	4
Longmont	8.00 pCi/L	4
Edwards	6.75 pCi/L	4
Mancos	6.00 pCi/L	4