Moreno Valley, CA Radon Levels
Check local Moreno Valley radon levels and find certified testing and mitigation professionals to keep your home safe
Moreno Valley, CA Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Riverside County, CA
Zip Code
92551
Part of the Riverside metropolitan area, Riverside County's Moreno Valley sits in an inland basin where granitic bedrock and alluvial deposits can produce variable radon levels. Testing data across the community's multiple zip codes (92551, 92553, 92555, 92557) remains limited despite the area's substantial population growth. California's diverse geology makes professional radon testing particularly important for residents in areas with basement foundations or ground-level living spaces.
Moreno 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 Moreno Valley?
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Radon FAQ for Moreno Valley, CA
What EPA Radon Zone is Moreno Valley in?
Moreno Valley and the 92551 zip code are in Riverside 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 Moreno Valley?
Radon mitigation in Moreno 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 Moreno 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 |