Carbondale, CO Radon Mitigation and Testing

Q: What EPA Radon Zone is Carbondale in?

Carbondale is in Pitkin County, EPA Zone 1.

Q: How much does radon mitigation cost in Carbondale?

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

Pitkin County

EPA Zone 1

Located in the scenic Roaring Fork Valley of Pitkin County, Carbondale sits among Colorado's high-altitude terrain where granite bedrock and mountain soils create elevated radon potential. The community features a blend of historic homes and modern mountain construction, many with full basements. Limited local testing data makes individual radon testing particularly important for residents in zip code 81623.

Carbondale, CO Radon Mitigation

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

Carbondale, CO Radon Testing

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

Carbondale Radon Facts

Key details about the radon risk profile for Carbondale and the 81623 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Pitkin County, CO

Zip Code

81623

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Carbondale and the 81623 zip code are located in Pitkin County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Carbondale, CO

What EPA Radon Zone is Carbondale in?

Carbondale and the 81623 zip code are in Pitkin County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Carbondale?

Radon mitigation in Carbondale 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 Carbondale?

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