Salem, MA Radon Mitigation and Testing

Q: What EPA Radon Zone is Salem in?

Salem is in Essex County, EPA Zone 1.

Q: How much does radon mitigation cost in Salem?

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

Essex County

EPA Zone 1

Historic Salem in Essex County recorded an average radon level of 6.0 pCi/L, exceeding the EPA action threshold based on limited data from the 01970 area. Located within the Boston Metro region where glacial deposits over granite bedrock create EPA Zone 1 conditions, this coastal city warrants serious radon attention. Given the area's colonial-era homes and stone foundations, homeowners should prioritize testing and potential mitigation.

Salem, MA Radon Mitigation

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

Salem, MA Radon Testing

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

Salem, Massachusetts Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
6 pCi/L	Salem, MA	100+ Years	Full Basement	Aug 2017

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

Salem Radon Facts

Key details about the radon risk profile for Salem and the 01970 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Essex County, MA

Zip Code

01970

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Salem and the 01970 zip code are located in Essex 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 Salem, MA

What EPA Radon Zone is Salem in?

Salem and the 01970 zip code are in Essex 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 Salem?

Radon mitigation in Salem 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 Salem?

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