Chilmark, MA Radon Mitigation and Testing

Q: What EPA Radon Zone is Chilmark in?

Chilmark is in Dukes County, EPA Zone 2.

Q: How much does radon mitigation cost in Chilmark?

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

Dukes County

EPA Zone 2

This Martha's Vineyard community in Dukes County occupies unique coastal geography with glacial soils and seasonal housing patterns typical of the islands. While specific radon data for Chilmark (02535) is not yet available, the EPA Zone 2 designation suggests moderate potential for elevated readings. Island residents should prioritize radon testing, as coastal homes with basements or crawl spaces can trap radon gas despite the maritime setting.

Chilmark, MA Radon Mitigation

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

Chilmark, MA Radon Testing

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

Chilmark Radon Facts

Key details about the radon risk profile for Chilmark and the 02535 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Dukes County, MA

Zip Code

02535

Predicted Screening Level

2–4 pCi/L (Zone 2)

Chilmark and the 02535 zip code are located in Dukes 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 Chilmark, MA

What EPA Radon Zone is Chilmark in?

Chilmark and the 02535 zip code are in Dukes 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 Chilmark?

Radon mitigation in Chilmark 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 Chilmark?

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 Massachusetts

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

City	Avg User Radon Level	Submissions
Littleton	9.40 pCi/L	5
Gloucester	8.40 pCi/L	5
Florence	7.40 pCi/L	5
Douglas	12.00 pCi/L	4
Weymouth	8.50 pCi/L	4
Mashpee	5.00 pCi/L	4
Natick	5.00 pCi/L	4
Worcester	17.67 pCi/L	3
Attleboro	10.00 pCi/L	3
Stoneham	9.67 pCi/L	3
Hopkinton	9.33 pCi/L	3
Medford	8.00 pCi/L	3
Boxford	6.67 pCi/L	3
Reading	5.67 pCi/L	3
Haverhill	5.00 pCi/L	3
Melrose	5.00 pCi/L	3
Somerville	4.33 pCi/L	3
Woburn	19.00 pCi/L	2
Marlborough	13.50 pCi/L	2
Cohasset	11.50 pCi/L	2