Oakland, CA Radon Levels

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

Based on 4 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Oakland in?

Oakland is in Alameda County, EPA Zone 2.

Q: How much does radon mitigation cost in Oakland?

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

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

Oakland, CA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Alameda County, CA

Zip Code 94601

Avg. User Level 5.00 pCi/L

User Tests 4

Located in Alameda County within the San Francisco Bay Area, Oakland sits on sedimentary formations and bay fill that generally produce lower radon levels. Testing data shows an average reading of 3.33 pCi/L, which falls within the EPA's recommended range, though homeowners should still test since readings can vary significantly by neighborhood and foundation type. The city's diverse housing stock ranges from historic Victorians to modern developments, with many homes featuring basements or crawl spaces where radon can accumulate.

5.00

pCi/L average

Above EPA Action Level

Based on 4 user-submitted radon tests for homes in Oakland, CA. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Oakland, CA Radon Mitigation

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Oakland, CA Radon Levels

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

Radon Level	City	Home Age	Foundation
10 pCi/L	Oakland, CA	51-99 Years	—
4 pCi/L	Oakland, CA	51-99 Years	Partial Basement
3 pCi/L	Oakland, CA	51-99 Years	Partial Basement

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

Radon FAQ for Oakland, CA

What is the average radon level in Oakland, CA?

Based on 4 user-submitted tests, the average radon level in Oakland 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 Oakland in?

Oakland and the 94601 zip code are in Alameda 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 Oakland?

Radon mitigation in Oakland 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 Oakland?

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

Oakland, CA Radon Levels

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

Oakland, CA Radon Facts

Oakland, CA Radon Mitigation

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Oakland, CA Radon Levels

Radon FAQ for Oakland, CA

Most Active Radon Markets in California

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