Apple Valley, CA Radon Levels
Check local Apple Valley radon levels and find certified testing and mitigation professionals to keep your home safe
Apple Valley, CA Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
San Bernardino County, CA
Zip Code
92307
Located in the high desert of San Bernardino County, Apple Valley sits within the Riverside metro area in EPA Zone 2 with desert alluvium and granite bedrock that can produce variable radon levels. Testing data remains limited for zip codes 92307 and 92308, making individual home testing important for residents. The area's elevation and desert climate, combined with predominantly slab-on-grade construction, typically result in lower radon concentrations than found in other geological settings.
Apple Valley, 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 Apple Valley?
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Radon FAQ for Apple Valley, CA
What EPA Radon Zone is Apple Valley in?
Apple Valley and the 92307 zip code are in San Bernardino 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 Apple Valley?
Radon mitigation in Apple Valley 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 Apple Valley?
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 |