Corona, CA Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 2.00 pCi/L.

Q: What EPA Radon Zone is Corona in?

Corona is in Riverside County, EPA Zone 2.

Q: How much does radon mitigation cost in Corona?

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

Avg: 2.00 pCi/L

Riverside County

EPA Zone 2

1 user test

Corona is located in Riverside County, California. With 1 user-submitted readings averaging 2.00 pCi/L, levels are currently below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.

2.00

pCi/L average

Below EPA Action Level

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

4.0 EPA

10+

Corona, CA Radon Mitigation

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

Corona, CA Radon Testing

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

Corona, California Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
2 pCi/L	Corona, CA	21-50 Years	No Basement/All Slab	Sep 2015

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

Corona Radon Facts

Key details about the radon risk profile for Corona and the 92879 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Riverside County, CA

Zip Code

92879

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

2.00 pCi/L

User Tests Submitted

Corona and the 92879 zip code are located in Riverside 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 Corona, CA

What is the average radon level in Corona, CA?

Based on 1 user-submitted test, the average radon level in Corona is 2.00 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.

What EPA Radon Zone is Corona in?

Corona and the 92879 zip code are in Riverside 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 Corona?

Radon mitigation in Corona 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 Corona?

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