Jamestown, CO Radon Mitigation and Testing

Q: What EPA Radon Zone is Jamestown in?

Jamestown is in Boulder County, EPA Zone 1.

Q: How much does radon mitigation cost in Jamestown?

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

Boulder County

EPA Zone 1

Set high in Boulder County within the Boulder Metro area, Jamestown (zip code 80455) sits where Colorado's mountain geology creates EPA Zone 1 high radon potential. Testing data for this small mountain community is currently limited, making professional radon assessment crucial given the area's elevation and geological conditions. The town's mix of historic cabins and modern mountain homes, often with unique foundation designs, requires individual evaluation for radon risk.

Jamestown, CO Radon Mitigation

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

Jamestown, CO Radon Testing

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

Jamestown Radon Facts

Key details about the radon risk profile for Jamestown and the 80455 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Boulder County, CO

Zip Code

80455

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Jamestown and the 80455 zip code are located in Boulder 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 Jamestown, CO

What EPA Radon Zone is Jamestown in?

Jamestown and the 80455 zip code are in Boulder 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 Jamestown?

Radon mitigation in Jamestown 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 Jamestown?

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