Malden, MA Radon Mitigation and Testing

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

Based on 2 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Malden in?

Malden is in Middlesex County, EPA Zone 1.

Q: How much does radon mitigation cost in Malden?

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

Avg: 5.00 pCi/L

Middlesex County

EPA Zone 1

2 user tests

Located in Middlesex County within the Boston Metro area, Malden shows an average radon level of 5.0 pCi/L based on limited local testing data. This reading exceeds the EPA's 4.0 pCi/L action level, reflecting the region's glacial till deposits and granite bedrock that can elevate indoor radon concentrations. Residents in zip code 02148 should prioritize radon testing and mitigation, particularly in the area's dense mix of older multi-family homes and newer construction.

5.00

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Malden, MA. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Malden, MA Radon Mitigation

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

Malden, MA Radon Testing

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

Malden, Massachusetts Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Malden, MA	21-50 Years	No Basement/All Slab	Jun 2023

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

Malden Radon Facts

Key details about the radon risk profile for Malden and the 02148 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Middlesex County, MA

Zip Code

02148

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Malden and the 02148 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 Malden, MA

What is the average radon level in Malden, MA?

Based on 2 user-submitted tests, the average radon level in Malden is 5.00 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 Malden in?

Malden and the 02148 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 Malden?

Radon mitigation in Malden 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 Malden?

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