Sandwich, MA Radon Mitigation and Testing

Q: What is the average radon level in Sandwich, MA?

Based on 1 user-submitted tests, the average radon level is 10.00 pCi/L.

Q: What EPA Radon Zone is Sandwich in?

Sandwich is in Barnstable County, EPA Zone 2.

Q: How much does radon mitigation cost in Sandwich?

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

Avg: 10.00 pCi/L

Barnstable County

EPA Zone 2

1 user test

Located on Cape Cod in Barnstable County, Sandwich has recorded an average radon level of 10.0 pCi/L, significantly exceeding the EPA action threshold. The town's position on glacial outwash deposits and the Cape's unique hydrogeology contribute to elevated radon potential despite coastal proximity. Homeowners throughout the 02563 zip code should prioritize professional testing and consider mitigation systems when levels exceed 4.0 pCi/L.

10.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Sandwich, MA. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Sandwich, MA Radon Mitigation

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

Sandwich, MA Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Sandwich, Massachusetts Radon Levels

User-submitted radon test readings from homes in the Sandwich area.

Radon Level	City	Home Age	Foundation	Submitted
10 pCi/L	Sandwich, MA	21-50 Years	Full Basement	Mar 2021

Have a radon test result for Sandwich? Submit your reading to help other homeowners.

Sandwich Radon Facts

Key details about the radon risk profile for Sandwich and the 02563 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Barnstable County, MA

Zip Code

02563

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

10.00 pCi/L

User Tests Submitted

Sandwich and the 02563 zip code are located in Barnstable County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Sandwich, MA

What is the average radon level in Sandwich, MA?

Based on 1 user-submitted test, the average radon level in Sandwich is 10.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Sandwich in?

Sandwich and the 02563 zip code are in Barnstable 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.

How much does radon mitigation cost in Sandwich?

Radon mitigation in Sandwich 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 Sandwich?

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.

Most Active Radon Markets in Massachusetts

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Littleton	9.40 pCi/L	5
Gloucester	8.40 pCi/L	5
Florence	7.40 pCi/L	5
Douglas	12.00 pCi/L	4
Weymouth	8.50 pCi/L	4
Mashpee	5.00 pCi/L	4
Natick	5.00 pCi/L	4
Worcester	17.67 pCi/L	3
Attleboro	10.00 pCi/L	3
Stoneham	9.67 pCi/L	3
Hopkinton	9.33 pCi/L	3
Medford	8.00 pCi/L	3
Boxford	6.67 pCi/L	3
Reading	5.67 pCi/L	3
Haverhill	5.00 pCi/L	3
Melrose	5.00 pCi/L	3
Somerville	4.33 pCi/L	3
Woburn	19.00 pCi/L	2
Marlborough	13.50 pCi/L	2
Cohasset	11.50 pCi/L	2