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Lodi, CA Radon Levels

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


Lodi, CA Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County San Joaquin County, CA
Zip Code 95240
Avg. User Level 6.50 pCi/L
User Tests 2

Positioned in San Joaquin County within the Stockton Metro area, Lodi has recorded an average radon level of 6.5 pCi/L, which exceeds the EPA action threshold of 4.0 pCi/L. Based on testing data from zip codes 95240 and 95242, these readings indicate that radon mitigation may be necessary for area homes. The Central Valley's alluvial soils and underlying geology contribute to these elevated radon concentrations.

6.50
pCi/L average
Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Lodi, CA. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Lodi, CA Radon Mitigation

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Lodi, CA Radon Levels

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

Radon LevelCityHome AgeFoundation
8 pCi/L Lodi, CA 21-50 Years Full Basement
5 pCi/L Lodi, CA 21-50 Years Full Basement

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

Radon FAQ for Lodi, CA

What is the average radon level in Lodi, CA?
Based on 2 user-submitted tests, the average radon level in Lodi is 6.50 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 Lodi in?
Lodi and the 95240 zip code are in San Joaquin 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 Lodi?
Radon mitigation in Lodi 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 Lodi?
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.

CityAvg User Radon LevelSubmissions
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