Shrewsbury, MA Radon Mitigation and Testing

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

Based on 2 user-submitted tests, the average radon level is 10.00 pCi/L.

Q: What EPA Radon Zone is Shrewsbury in?

Shrewsbury is in Worcester County, EPA Zone 1.

Q: How much does radon mitigation cost in Shrewsbury?

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

Worcester County

EPA Zone 1

2 user tests

Shrewsbury in Worcester County shows an average radon level of 10.0 pCi/L, significantly exceeding the EPA's 4.0 pCi/L action threshold. Part of the Worcester Metro area, this community sits on New England's granite bedrock, which naturally contains uranium and produces elevated radon levels. Homes in zip code 01545 should implement radon mitigation systems promptly.

10.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Shrewsbury, MA Radon Mitigation

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

Shrewsbury, MA Radon Testing

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

Shrewsbury, Massachusetts Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
10 pCi/L	Shrewsbury, MA	51-99 Years	Full Basement	Jun 2021

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

Shrewsbury Radon Facts

Key details about the radon risk profile for Shrewsbury and the 01545 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Worcester County, MA

Zip Code

01545

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

10.00 pCi/L

User Tests Submitted

Shrewsbury and the 01545 zip code are located in Worcester 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 Shrewsbury, MA

What is the average radon level in Shrewsbury, MA?

Based on 2 user-submitted tests, the average radon level in Shrewsbury 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 Shrewsbury in?

Shrewsbury and the 01545 zip code are in Worcester 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 Shrewsbury?

Radon mitigation in Shrewsbury 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 Shrewsbury?

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