Foxboro, MA Radon Levels

Q: What is the average radon level in Foxboro, MA?

Based on 2 user-submitted tests, the average radon level is 7.50 pCi/L.

Q: What EPA Radon Zone is Foxboro in?

Foxboro is in Norfolk County, EPA Zone 2.

Q: How much does radon mitigation cost in Foxboro?

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

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

Foxboro, MA Radon Facts

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

County Norfolk County, MA

Zip Code 02035

Avg. User Level 7.50 pCi/L

User Tests 2

Foxboro in Norfolk County recorded an average radon level of 6.0 pCi/L, exceeding the EPA's 4.0 pCi/L action threshold. This Boston Metro community sits on New England's glacial terrain, where till deposits over granite bedrock can contribute to radon accumulation. Homeowners in 02035 should consider radon testing and mitigation, especially in properties with basements or lower levels.

7.50

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Foxboro, MA. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Foxboro, MA Radon Mitigation

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

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Foxboro, Massachusetts Radon Levels

User-submitted radon test readings from homes in the Foxboro area.

Radon Level	City	Home Age	Foundation	Submitted
9 pCi/L	Foxboro, MA	51-99 Years	Full Basement	May 2026
6 pCi/L	Foxboro, MA	51-99 Years	—	Aug 2018

Have a radon test result for Foxboro? Submit your reading to help other homeowners.

Norfolk County Radon Profile

The soils and bedrock of Norfolk County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 17 cities in Norfolk County average 8.08 pCi/L across 25 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Norfolk County to test, as levels can differ between neighboring homes.

Radon FAQ for Foxboro, MA

What is the average radon level in Foxboro, MA?

Based on 2 user-submitted tests, the average radon level in Foxboro is 7.50 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Foxboro in?

Foxboro and the 02035 zip code are in Norfolk 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 Foxboro?

Radon mitigation in Foxboro 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 Foxboro?

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.

Radon Levels Near Foxboro, MA

User-submitted radon levels from the cities closest to Foxboro with recorded test data. Explore nearby communities to compare local readings.

City	Distance	Avg User Level	Submissions
Norfolk	5.6 mi	4.00 pCi/L	1
Norton	7.0 mi	5.00 pCi/L	1
North Attleboro	7.5 mi	4.00 pCi/L	1
Stoughton	8.2 mi	5.00 pCi/L	1
Franklin	8.5 mi	9.00 pCi/L	2
Norwood	8.7 mi	5.00 pCi/L	1
Attleboro	9.8 mi	10.00 pCi/L	3
Westwood	10.5 mi	5.00 pCi/L	1