Dunstable, MA Radon Levels

Q: What EPA Radon Zone is Dunstable in?

Dunstable is in Middlesex County, EPA Zone 1.

Q: How much does radon mitigation cost in Dunstable?

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

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

Dunstable, MA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Middlesex County, MA

Zip Code 01827

This Middlesex County town near the New Hampshire border sits where New England's granitic bedrock and glacial till deposits can create favorable conditions for radon production and accumulation. Testing data for zip code 01827 is currently limited, making professional radon assessment important for Boston Metro area residents. The region's predominantly older colonial and ranch-style homes with full basements provide enclosed below-grade spaces where radon typically concentrates.

7.28

pCi/L area average

Above EPA Action Level

Middlesex County average: 7.28 pCi/L, based on 90 user-submitted tests across 46 cities in the county. No homeowner readings have been submitted for Dunstable 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+

Dunstable, 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 Dunstable, MA

No homeowner tests have been submitted for Dunstable 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
Tyngsboro	4.0 mi	4.50 pCi/L	2
Pepperell	5.0 mi	7.00 pCi/L	3
Groton	5.3 mi	5.00 pCi/L	1
Westford	6.7 mi	12.67 pCi/L	3
Dracut	9.0 mi	13.00 pCi/L	1
Chelmsford	9.1 mi	11.50 pCi/L	4
Littleton	9.3 mi	9.40 pCi/L	5
Lowell	9.3 mi	3.00 pCi/L	2

Middlesex County Radon Profile

The bedrock and soils beneath Middlesex County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 46 cities in Middlesex County average 7.28 pCi/L across 90 tests — 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 Middlesex County.

Radon FAQ for Dunstable, MA

What EPA Radon Zone is Dunstable in?

Dunstable and the 01827 zip code are in Middlesex County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Dunstable?

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

Radon mitigation in Dunstable 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 Dunstable?

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.