Westminster, VT Radon Mitigation and Testing

Q: What EPA Radon Zone is Westminster in?

Westminster is in Windham County, EPA Zone 2.

Q: How much does radon mitigation cost in Westminster?

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

Windham County

EPA Zone 2

Nestled in Windham County within Vermont's Connecticut River Valley region, Westminster sits on granite and schist bedrock that contributes to the state's overall moderate radon risk profile. Limited testing data for zip code 05158 underscores the need for homeowner-initiated radon testing. The community's historic New England housing stock, featuring stone foundations and full basements, can create conditions conducive to radon accumulation.

Westminster, VT Radon Mitigation

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

Westminster, VT Radon Testing

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

Westminster Radon Facts

Key details about the radon risk profile for Westminster and the 05158 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Windham County, VT

Zip Code

05158

Predicted Screening Level

2–4 pCi/L (Zone 2)

Westminster and the 05158 zip code are located in Windham 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 Westminster, VT

What EPA Radon Zone is Westminster in?

Westminster and the 05158 zip code are in Windham 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 Westminster?

Radon mitigation in Westminster 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 Westminster?

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 Vermont

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Stowe	13.00 pCi/L	2
Wilmington	8.50 pCi/L	2