Assonet, MA Radon Levels

Q: What EPA Radon Zone is Assonet in?

Assonet is in Bristol County, EPA Zone 2.

Q: How much does radon mitigation cost in Assonet?

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

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

Assonet, MA Radon Facts

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

County Bristol County, MA

Zip Code 02702

Located in Bristol County within the Providence Metro area of southeastern Massachusetts, this community sits in EPA Zone 2 for moderate radon potential. Testing data for zip code 02702 is currently limited, but the region's glacial geology and diverse housing stock warrant individual home testing. Coastal proximity doesn't eliminate radon risk, particularly in homes with basement or crawl space foundations.

7.53

pCi/L area average

Above EPA Action Level

Bristol County average: 7.53 pCi/L, based on 15 user-submitted tests across 11 cities in the county. No homeowner readings have been submitted for Assonet 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+

Assonet, 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 Assonet, MA

No homeowner tests have been submitted for Assonet 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
Somerset	6.7 mi	4.00 pCi/L	1
Fall River	8.4 mi	4.50 pCi/L	2
Acushnet	10.3 mi	11.00 pCi/L	1
Rehoboth	10.7 mi	4.00 pCi/L	1
North Dartmouth	11.8 mi	10.00 pCi/L	1
New Bedford	12.2 mi	6.00 pCi/L	2
Norton	13.7 mi	5.00 pCi/L	1
Attleboro	15.4 mi	10.00 pCi/L	3

Bristol County Radon Profile

EPA mapping assigns Bristol 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 11 cities in Bristol County average 7.53 pCi/L across 15 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 Bristol County home regardless of zone or a neighbor's results.

Radon FAQ for Assonet, MA

What EPA Radon Zone is Assonet in?

Assonet and the 02702 zip code are in Bristol 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 Assonet?

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

Radon mitigation in Assonet 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 Assonet?

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.