Call For A Free Quote: 1-800-299-3578 (toll free)

Laguna Hills, CA Radon Levels

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


Laguna Hills, CA Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Orange County, CA
Zip Code 92653

Nestled in Orange County's coastal foothills, Laguna Hills sits on sedimentary formations that can contribute to variable radon levels throughout the Los Angeles metro area. The city's 5.0 pCi/L average reading exceeds the EPA action level, indicating homeowners should prioritize radon testing and mitigation. Given the mix of hillside properties and newer construction in zip code 92653, professional radon assessment is particularly important for peace of mind.

Laguna Hills, CA Radon Mitigation

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

Need Radon Mitigation or Testing in Laguna Hills?

  • 100% Free, No-Obligation Quotes
  • Matches You with State-Licensed Orange County Pros
1-800-299-3578 Toll-free · Mon–Fri 8am–6pm ET

Laguna Hills, CA Radon Levels

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

Radon LevelCityHome AgeFoundation
5 pCi/L Laguna Hills, CA 21-50 Years No Basement/All Slab

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

Radon FAQ for Laguna Hills, CA

What EPA Radon Zone is Laguna Hills in?
Laguna Hills and the 92653 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 Laguna Hills?
Radon mitigation in Laguna Hills 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 Laguna Hills?
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