Kingsburg, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Kingsburg in?

Kingsburg is in Fresno County, EPA Zone 2.

Q: How much does radon mitigation cost in Kingsburg?

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

Fresno County

EPA Zone 2

Set within Fresno County's San Joaquin Valley, Kingsburg (93631) lies in California's Central Valley agricultural region where alluvial soils typically produce lower radon concentrations. Most homes feature slab-on-grade construction with minimal basement space, reflecting the area's mild climate and high water table conditions. Though radon testing data remains sparse for this community, the geological setting generally suggests moderate radon potential warranting periodic homeowner testing.

Kingsburg, CA Radon Mitigation

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

Kingsburg, CA Radon Testing

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

Kingsburg Radon Facts

Key details about the radon risk profile for Kingsburg and the 93631 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Fresno County, CA

Zip Code

93631

Predicted Screening Level

2–4 pCi/L (Zone 2)

Kingsburg and the 93631 zip code are located in Fresno 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 Kingsburg, CA

What EPA Radon Zone is Kingsburg in?

Kingsburg and the 93631 zip code are in Fresno 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 Kingsburg?

Radon mitigation in Kingsburg 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 Kingsburg?

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