Jamestown, RI Radon Mitigation and Testing

Q: What EPA Radon Zone is Jamestown in?

Jamestown is in Newport County, EPA Zone 2.

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.

Newport County

EPA Zone 2

Located on Conanicut Island in Newport County within the Providence Metro area, Jamestown sits on New England crystalline bedrock formations. The community features primarily seasonal and year-round coastal homes, many with basements or crawl spaces typical of Rhode Island construction. Testing data for zip code 02835 remains limited, but homeowners should conduct radon testing as coastal bedrock can still produce elevated levels in enclosed spaces.

Jamestown, RI Radon Mitigation

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

Jamestown, RI 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 02835 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Newport County, RI

Zip Code

02835

Predicted Screening Level

2–4 pCi/L (Zone 2)

Jamestown and the 02835 zip code are located in Newport County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Jamestown, RI

What EPA Radon Zone is Jamestown in?

Jamestown and the 02835 zip code are in Newport County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 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 Rhode Island

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

City	Avg User Radon Level	Submissions
Providence	11.00 pCi/L	2
Westerly	8.00 pCi/L	2
Portsmouth	4.50 pCi/L	2