Dana Point, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Dana Point in?

Dana Point is in Orange County, EPA Zone 3.

Q: How much does radon mitigation cost in Dana Point?

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

Orange County

EPA Zone 3

Perched along Orange County's scenic coastline, Dana Point sits within EPA Zone 3 where radon levels are generally lowest, though local testing data remains limited for this upscale coastal community. The city's location within the Los Angeles Metro, built primarily on marine terraces with predominantly slab-on-grade construction, typically correlates with lower radon risk, but testing can still provide peace of mind for homeowners in zip code 92629.

Dana Point, CA Radon Mitigation

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

Dana Point, CA Radon Testing

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

Dana Point Radon Facts

Key details about the radon risk profile for Dana Point and the 92629 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Orange County, CA

Zip Code

92629

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Dana Point and the 92629 zip code are located in Orange 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 Dana Point, CA

What EPA Radon Zone is Dana Point in?

Dana Point and the 92629 zip code are in Orange 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 Dana Point?

Radon mitigation in Dana Point 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 Dana Point?

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