Walpole, MA Radon Levels

Q: What EPA Radon Zone is Walpole in?

Walpole is in Norfolk County, EPA Zone 2.

Q: How much does radon mitigation cost in Walpole?

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

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

Walpole, MA Radon Facts

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

County Norfolk County, MA

Zip Code 02081

Located in Norfolk County within the Boston Metro area, Walpole sits on glacial till deposits that contribute to moderate radon potential throughout the region. Homes in zip code 02081 feature a mix of colonial and postwar construction, many with full basements common to New England housing. While specific radon testing data for Walpole is currently limited, homeowners should consider testing given the area's geological conditions.

8.08

pCi/L area average

Above EPA Action Level

Norfolk County average: 8.08 pCi/L, based on 25 user-submitted tests across 17 cities in the county. No homeowner readings have been submitted for Walpole 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+

Walpole, 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 Walpole, MA

No homeowner tests have been submitted for Walpole yet, so the closest user-submitted readings from neighboring communities are shown below. Radon varies by home — testing is the only way to know your level.

Radon Level	City	Distance	Home Age	Foundation	Submitted
5 pCi/L	Norwood, MA	3.9 mi	51-99 Years	Full Basement	Sep 2016
4 pCi/L	Norfolk, MA	4.1 mi	100+ Years	Full Basement	Aug 2016
5 pCi/L	Westwood, MA	5.4 mi	51-99 Years	Full Basement	Jun 2018
9 pCi/L	Foxboro, MA	5.5 mi	51-99 Years	Full Basement	May 2026
6 pCi/L	Foxboro, MA	5.5 mi	51-99 Years	—	Aug 2018
5 pCi/L	Stoughton, MA	7.6 mi	51-99 Years	Partial Basement	Jul 2021
4 pCi/L	Franklin, MA	8.5 mi	51-99 Years	No Basement/All Crawl Space	Nov 2022
14 pCi/L	Franklin, MA	8.5 mi	51-99 Years	Full Basement	Jul 2018

Readings are drawn from the nearest cities with submitted data. Have a result for Walpole? Submit your reading to help your neighbors.

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 Walpole, MA

What EPA Radon Zone is Walpole in?

Walpole and the 02081 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.

Why are radon readings shown from areas near Walpole?

No homeowner radon tests have been submitted for Walpole yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Norfolk County average—are the best available indicator of local conditions until Walpole 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 Walpole?

Radon mitigation in Walpole 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 Walpole?

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 Walpole, MA

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

City	Distance	Avg User Level	Submissions
Norwood	3.9 mi	5.00 pCi/L	1
Norfolk	4.1 mi	4.00 pCi/L	1
Westwood	5.4 mi	5.00 pCi/L	1
Foxboro	5.5 mi	7.50 pCi/L	2
Stoughton	7.6 mi	5.00 pCi/L	1
Franklin	8.5 mi	9.00 pCi/L	2
Needham	9.4 mi	6.00 pCi/L	1
Holliston	10.1 mi	4.00 pCi/L	1