Cottonwood, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Cottonwood in?

Cottonwood is in Tehama County, EPA Zone 3.

Q: How much does radon mitigation cost in Cottonwood?

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

Tehama County

EPA Zone 3

Positioned in Northern California's Tehama County near the Redding Metro area, Cottonwood falls within EPA Zone 3 for generally lower radon potential. The Sacramento Valley's alluvial soils and relatively young geological formations typically produce less radon than mountainous regions, though homes built on certain soil types can still see elevated readings. Since specific testing data for zip code 96022 is limited, homeowners should consider radon testing to assess their individual risk.

Cottonwood, CA Radon Mitigation

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

Cottonwood, CA Radon Testing

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

Cottonwood Radon Facts

Key details about the radon risk profile for Cottonwood and the 96022 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Tehama County, CA

Zip Code

96022

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Cottonwood and the 96022 zip code are located in Tehama 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 Cottonwood, CA

What EPA Radon Zone is Cottonwood in?

Cottonwood and the 96022 zip code are in Tehama 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 Cottonwood?

Radon mitigation in Cottonwood 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 Cottonwood?

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