Waterford, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Waterford in?

Waterford is in Stanislaus County, EPA Zone 3.

Q: How much does radon mitigation cost in Waterford?

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

Stanislaus County

EPA Zone 3

Situated in Stanislaus County within the Modesto metro area, Waterford lies in EPA Zone 3 where radon levels are typically lower than national averages. The city's Central Valley location, with alluvial soils over sedimentary deposits, generally produces moderate radon potential compared to California's mountainous and coastal regions. Testing data for zip code 95386 is currently limited, so homeowners should still conduct radon testing to establish baseline readings for their properties.

Waterford, CA Radon Mitigation

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

Waterford, CA Radon Testing

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

Waterford Radon Facts

Key details about the radon risk profile for Waterford and the 95386 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Stanislaus County, CA

Zip Code

95386

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Waterford and the 95386 zip code are located in Stanislaus 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 Waterford, CA

What EPA Radon Zone is Waterford in?

Waterford and the 95386 zip code are in Stanislaus 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 Waterford?

Radon mitigation in Waterford 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 Waterford?

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