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Malden, MA Radon Levels

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


Malden, MA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Middlesex County, MA
Zip Code 02148
Avg. User Level 5.00 pCi/L
User Tests 2

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.

0
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.

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Malden, MA Radon Levels

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

Radon LevelCityHome AgeFoundation
5 pCi/L Malden, MA 21-50 Years No Basement/All Slab

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

Radon Readings Near Malden, MA

Compare radon levels in Malden with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Everett 1.3 mi 4.50 pCi/L 2
Melrose 2.0 mi 5.00 pCi/L 3
Medford 2.6 mi 8.00 pCi/L 3
Saugus 3.5 mi 5.00 pCi/L 1
Somerville 3.5 mi 4.50 pCi/L 4
Stoneham 4.2 mi 9.67 pCi/L 3
Winchester 4.6 mi 4.00 pCi/L 2
Wakefield 5.0 mi 4.00 pCi/L 1

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 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.