Woods Hole, MA Radon Levels

Q: What EPA Radon Zone is Woods Hole in?

Woods Hole is in Barnstable County, EPA Zone 2.

Q: How much does radon mitigation cost in Woods Hole?

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

Check local Woods Hole radon levels and find certified testing and mitigation professionals to keep your home safe

Woods Hole, MA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Barnstable County, MA

Zip Code 02543

This renowned oceanographic community in Barnstable County on Cape Cod currently lacks comprehensive radon testing data. Massachusetts coastal areas typically show lower radon levels due to sandy soils and ocean influences, but testing remains important for homes with basements or those built on filled land. The unique geology of zip code 02543, combined with the area's mix of seasonal and year-round residences, makes individual testing the best way to assess radon risk.

6.80

pCi/L area average

Above EPA Action Level

Barnstable County average: 6.80 pCi/L, based on 10 user-submitted tests across 6 cities in the county. No homeowner readings have been submitted for Woods Hole itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Woods Hole, MA Radon Mitigation

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

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Radon Readings Near Woods Hole, MA

No homeowner tests have been submitted for Woods Hole yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Falmouth	3.5 mi	7.00 pCi/L	1
North Falmouth	8.3 mi	6.00 pCi/L	1
Mashpee	11.2 mi	5.00 pCi/L	4
Buzzards Bay	12.9 mi	9.50 pCi/L	2
Sandwich	16.0 mi	10.00 pCi/L	1
Osterville	16.2 mi	6.00 pCi/L	1
New Bedford	16.2 mi	6.00 pCi/L	2
South Dartmouth	16.8 mi	20.00 pCi/L	1

Barnstable County Radon Profile

EPA mapping assigns Barnstable County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 6 cities in Barnstable County average 6.80 pCi/L across 10 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Barnstable County home regardless of zone or a neighbor's results.

Radon FAQ for Woods Hole, MA

What EPA Radon Zone is Woods Hole in?

Woods Hole and the 02543 zip code are in Barnstable 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.

Why are radon readings shown from areas near Woods Hole?

No homeowner radon tests have been submitted for Woods Hole yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Barnstable County average—are the best available indicator of local conditions until Woods Hole homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Woods Hole?

Radon mitigation in Woods Hole 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 Woods Hole?

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.