Hudson, MA Radon Levels

Q: What EPA Radon Zone is Hudson in?

Hudson is in Middlesex County, EPA Zone 1.

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

No homeowner radon tests have been submitted for Hudson yet, so readings from the closest cities and the Middlesex 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 Hudson?

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

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

Hudson, MA Radon Facts

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

County Middlesex County, MA

Zip Code 01749

Found in Middlesex County within the greater Boston metropolitan area, Hudson sits on glacial deposits and granite bedrock that can contribute to elevated radon levels in New England homes. Testing data for zip code 01749 is currently unavailable, making individual radon assessment essential for local residents. The area's mix of historic mill town architecture and modern suburban development, predominantly featuring basements, requires attention to potential radon accumulation in below-grade spaces.

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 Hudson 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+

Hudson, MA Radon Mitigation

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

Need Radon Mitigation or Testing in Hudson?

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Radon Readings Near Hudson, MA

No homeowner tests have been submitted for Hudson 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
7 pCi/L	Marlborough, MA	3.0 mi	0-20 Years	Full Basement	Aug 2015
20 pCi/L	Marlborough, MA	3.0 mi	51-99 Years	Full Basement	Jun 2015
7 pCi/L	Stow, MA	3.6 mi	51-99 Years	Full Basement	May 2024
17 pCi/L	Clinton, MA	6.5 mi	100+ Years	Partial Basement	Jun 2016
5 pCi/L	Northborough, MA	6.7 mi	21-50 Years	Full Basement	Aug 2021
7 pCi/L	Northborough, MA	6.7 mi	21-50 Years	Partial Basement	Jan 2021
7 pCi/L	Sudbury, MA	6.8 mi	51-99 Years	Full Basement	Mar 2018
4 pCi/L	Sudbury, MA	6.8 mi	51-99 Years	Full Basement	May 2017

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

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 Hudson, MA

What EPA Radon Zone is Hudson in?

Hudson and the 01749 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 Hudson?

No homeowner radon tests have been submitted for Hudson 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 Hudson 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 Hudson?

Radon mitigation in Hudson 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 Hudson?

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 Hudson, MA

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

City	Distance	Avg User Level	Submissions
Marlborough	3.0 mi	13.50 pCi/L	2
Stow	3.6 mi	7.00 pCi/L	1
Clinton	6.5 mi	17.00 pCi/L	1
Northborough	6.7 mi	6.00 pCi/L	2
Sudbury	6.8 mi	5.50 pCi/L	2
Harvard	7.4 mi	12.00 pCi/L	1
Lancaster	7.6 mi	5.00 pCi/L	1
Acton	8.1 mi	20.00 pCi/L	1