Cambria, CA Radon Levels
Check local Cambria radon levels and find certified testing and mitigation professionals to keep your home safe
Cambria, CA Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
San Luis Obispo County, CA
Zip Code
93428
Perched along California's central coast in San Luis Obispo County, Cambria sits on marine terraces above the Pacific Ocean within the San Luis Obispo Metro area. The community's housing includes coastal cottages and vacation homes, many built on the area's characteristic sedimentary formations. With limited radon testing data available for the 93428 zip code, residents should consider testing since geological variations can occur even in typically lower-risk coastal areas.
Cambria, 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 Cambria?
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Radon FAQ for Cambria, CA
What EPA Radon Zone is Cambria in?
Cambria and the 93428 zip code are in San Luis Obispo 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 Cambria?
Radon mitigation in Cambria 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 Cambria?
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 |