Ojai, CA Radon Levels

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

Based on 1 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Ojai in?

Ojai is in Ventura County, EPA Zone 1.

Q: How much does radon mitigation cost in Ojai?

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

Check local Ojai radon levels and find certified testing and mitigation professionals to keep your home safe

Ojai, CA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Ventura County, CA

Zip Code 93023

Avg. User Level 5.00 pCi/L

User Tests 1

Nestled in Ventura County's mountain valley within the Oxnard Metro area, Ojai sits on sedimentary formations that can produce variable radon levels despite California's generally lower radon risk. Current testing data shows an average radon level of 5.0 pCi/L in zip code 93023, which exceeds the EPA action level. This elevated reading demonstrates that even California communities can have significant radon exposure, making testing essential for all Ojai residents.

5.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Ojai, CA Radon Mitigation

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Ojai, CA Radon Levels

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

Radon Level	City	Home Age	Foundation
5 pCi/L	Ojai, CA	21-50 Years	No Basement/All Slab

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Radon FAQ for Ojai, CA

What is the average radon level in Ojai, CA?

Based on 1 user-submitted test, the average radon level in Ojai is 5.00 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 Ojai in?

Ojai and the 93023 zip code are in Ventura County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Ojai?

Radon mitigation in Ojai 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 Ojai?

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 in California with the most user-submitted radon test data, ranked by number of submissions.

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
Bishop	6.25 pCi/L	4
Oakland	5.00 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
Sacramento	4.33 pCi/L	3

Ojai, CA Radon Levels

Check local Ojai radon levels and find certified testing and mitigation professionals to keep your home safe

Ojai, CA Radon Facts

Ojai, CA Radon Mitigation

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Ojai, CA Radon Levels

Radon FAQ for Ojai, CA

Most Active Radon Markets in California

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