Winters, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Winters in?

Winters is in Yolo County, EPA Zone 3.

Q: How much does radon mitigation cost in Winters?

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

Yolo County

EPA Zone 3

Set in Yolo County within California's Central Valley, Winters sits on alluvial soils deposited by Cache Creek over sedimentary bedrock formations. The agricultural community features a mix of historic downtown buildings and suburban developments, with many homes built on concrete slab foundations typical of the region's construction practices. Since radon testing data is currently unavailable for zip code 95694, homeowners should pursue individual testing to establish their property's radon profile.

Winters, CA Radon Mitigation

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

Winters, CA Radon Testing

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

Winters Radon Facts

Key details about the radon risk profile for Winters and the 95694 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Yolo County, CA

Zip Code

95694

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Winters and the 95694 zip code are located in Yolo County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Winters, CA

What EPA Radon Zone is Winters in?

Winters and the 95694 zip code are in Yolo County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Winters?

Radon mitigation in Winters 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 Winters?

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 California

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

City	Avg User Radon Level	Submissions
Los Angeles	7.83 pCi/L	6
Mammoth Lakes	10.80 pCi/L	5
San Jose	4.20 pCi/L	5
Rancho Palos Verdes	8.00 pCi/L	4
Woodland Hills	7.67 pCi/L	3
South Lake Tahoe	6.33 pCi/L	3
Palos Verdes Peninsula	6.00 pCi/L	3
Bishop	5.67 pCi/L	3
Sacramento	4.33 pCi/L	3
Oakland	3.33 pCi/L	3
Fresno	10.00 pCi/L	2
Davis	8.00 pCi/L	2
Palo Alto	6.50 pCi/L	2
Studio City	6.50 pCi/L	2
Menlo Park	5.00 pCi/L	2
Truckee	5.00 pCi/L	2
Walnut Creek	4.00 pCi/L	2
San Diego	3.50 pCi/L	2
San Francisco	3.50 pCi/L	2
Belmont	20.00 pCi/L	1