Concord, MA Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 4.00 pCi/L.

Q: What EPA Radon Zone is Concord in?

Concord is in Middlesex County, EPA Zone 1.

Q: How much does radon mitigation cost in Concord?

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

Avg: 4.00 pCi/L

Middlesex County

EPA Zone 1

1 user test

Located in historic Middlesex County within the Boston Metro area, Concord in zip code 01742 has an average radon level of 4.0 pCi/L based on available testing data. This reading sits exactly at the EPA action level, making regular testing and monitoring particularly important for homeowners. The region's New England bedrock and glacial soils can produce variable radon concentrations throughout this established community.

4.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Concord, MA Radon Mitigation

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

Concord, MA Radon Testing

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

Concord, Massachusetts Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Concord, MA	21-50 Years	Full Basement	Feb 2018

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

Concord Radon Facts

Key details about the radon risk profile for Concord and the 01742 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Middlesex County, MA

Zip Code

01742

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

4.00 pCi/L

User Tests Submitted

Concord and the 01742 zip code are located in Middlesex County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Concord, MA

What is the average radon level in Concord, MA?

Based on 1 user-submitted test, the average radon level in Concord is 4.00 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 Concord in?

Concord and the 01742 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.

How much does radon mitigation cost in Concord?

Radon mitigation in Concord 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 Concord?

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