Mattapan, MA Radon Levels

Q: What EPA Radon Zone is Mattapan in?

Mattapan is in Suffolk County, EPA Zone 3.

Q: Why are radon readings shown from areas near Mattapan?

No homeowner radon tests have been submitted for Mattapan yet, so readings from the closest cities and the Suffolk County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Mattapan?

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

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

Mattapan, MA Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Suffolk County, MA

Zip Code 02126

This Boston neighborhood in Suffolk County features predominantly multi-family homes and apartment buildings built throughout the early-to-mid 20th century. Radon testing data is currently limited for the 02126 zip code area, though the region's glacial till soils can support radon accumulation. Homeowners and renters should consider testing, especially in lower-level units and homes with basement spaces.

6.00

pCi/L area average

Above EPA Action Level

Suffolk County average: 6.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Mattapan 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+

Mattapan, 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 Mattapan, MA

No homeowner tests have been submitted for Mattapan 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
Milton	1.6 mi	7.00 pCi/L	1
Roslindale	1.9 mi	6.00 pCi/L	1
Quincy	4.1 mi	10.50 pCi/L	2
Newton Center	6.2 mi	4.50 pCi/L	2
Braintree	6.7 mi	9.00 pCi/L	1
Westwood	7.2 mi	5.00 pCi/L	1
Needham Heights	7.2 mi	4.00 pCi/L	1
North Weymouth	7.8 mi	10.00 pCi/L	2

Suffolk County Radon Profile

Suffolk County is classified as EPA Radon Zone 3, the lowest predicted-risk tier, with modeled indoor screening averages below 2 pCi/L. Homeowner-submitted tests from 1 city in Suffolk County average 6.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Suffolk County.

Radon FAQ for Mattapan, MA

What EPA Radon Zone is Mattapan in?

Mattapan and the 02126 zip code are in Suffolk County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

Why are radon readings shown from areas near Mattapan?

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

Radon mitigation in Mattapan 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 Mattapan?

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.