La Mesa, CA Radon Levels
Check local La Mesa radon levels and find certified testing and mitigation professionals to keep your home safe
La Mesa, CA Radon Facts
This San Diego County community in the San Diego Metro has recorded an average radon level of 6.0 pCi/L, exceeding the EPA action threshold. Based on testing data from zip codes 91941 and 91942, La Mesa residents should prioritize radon mitigation evaluation. The area's varied topography and underlying geological formations can create unexpected radon concentrations even in typically lower-risk Southern California.
Based on 1 user-submitted radon test for homes in La Mesa, CA. The EPA recommends taking action at or above 4.0 pCi/L.
La Mesa, 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 La Mesa?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed San Diego County Pros
La Mesa, CA Radon Levels
User-submitted radon test readings from homes in the La Mesa area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 6 pCi/L | La Mesa, CA | 0-20 Years | No Basement/All Crawl Space |
Have a radon test result for La Mesa? Submit your reading to help other homeowners.
Radon FAQ for La Mesa, CA
What is the average radon level in La Mesa, CA?
What EPA Radon Zone is La Mesa in?
How much does radon mitigation cost in La Mesa?
Should I test for radon if I'm buying a home in La Mesa?
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 |