Williamsburg, MA Radon Mitigation and Testing

Q: What EPA Radon Zone is Williamsburg in?

Williamsburg is in Hampshire County, EPA Zone 2.

Q: How much does radon mitigation cost in Williamsburg?

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

Hampshire County

EPA Zone 2

Set in Hampshire County within the Northampton Metro area, Williamsburg occupies Massachusetts' Connecticut River Valley where glacial deposits over metamorphic bedrock create EPA Zone 2 conditions. Testing data for this 01096 community is currently limited, making individual home testing important. The area's New England geology, combining glacial materials with underlying schist and gneiss formations, can produce radon levels that require professional assessment to evaluate accurately.

Williamsburg, MA Radon Mitigation

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

Williamsburg, MA Radon Testing

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

Williamsburg Radon Facts

Key details about the radon risk profile for Williamsburg and the 01096 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Hampshire County, MA

Zip Code

01096

Predicted Screening Level

2–4 pCi/L (Zone 2)

Williamsburg and the 01096 zip code are located in Hampshire County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Williamsburg, MA

What EPA Radon Zone is Williamsburg in?

Williamsburg and the 01096 zip code are in Hampshire County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Williamsburg?

Radon mitigation in Williamsburg 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 Williamsburg?

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