Rancho Cordova, CA Radon Mitigation and Testing

Q: What is the average radon level in Rancho Cordova, CA?

Based on 1 user-submitted tests, the average radon level is 4.00 pCi/L.

Q: What EPA Radon Zone is Rancho Cordova in?

Rancho Cordova is in Sacramento County, EPA Zone 3.

Q: How much does radon mitigation cost in Rancho Cordova?

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

Avg: 4.00 pCi/L

Sacramento County

EPA Zone 3

1 user test

Rancho Cordova is located in Sacramento County, California. With 1 user-submitted readings averaging 4.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 95670 zip code.

4.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Rancho Cordova, CA. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Rancho Cordova, CA Radon Mitigation

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

Rancho Cordova, CA Radon Testing

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

Rancho Cordova, California Radon Levels

User-submitted radon test readings from homes in the Rancho Cordova area.

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Rancho Cordova, CA	21-50 Years	No Basement/All Slab	Nov 2017

Have a radon test result for Rancho Cordova? Submit your reading to help other homeowners.

Rancho Cordova Radon Facts

Key details about the radon risk profile for Rancho Cordova and the 95670 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Sacramento County, CA

Zip Code

95670

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Avg. User Submitted Level

4.00 pCi/L

User Tests Submitted

Rancho Cordova and the 95670 zip code are located in Sacramento 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 Rancho Cordova, CA

What is the average radon level in Rancho Cordova, CA?

Based on 1 user-submitted test, the average radon level in Rancho Cordova is 4.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Rancho Cordova in?

Rancho Cordova and the 95670 zip code are in Sacramento 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 Rancho Cordova?

Radon mitigation in Rancho Cordova 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 Rancho Cordova?

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