Stewarts Point, CA Radon Levels
Check local Stewarts Point radon levels and find certified testing and mitigation professionals to keep your home safe
Stewarts Point, CA Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Sonoma County, CA
Zip Code
95480
Perched along Sonoma County's rugged coastline in the Santa Rosa Metro area, Stewarts Point sits on the Franciscan Complex formations typical of coastal California. Testing data for zip code 95480 is limited, though the region's marine sedimentary rocks generally produce lower radon concentrations. Coastal California residents should still consider professional radon testing, as geological complexity can create localized areas of elevated radon potential.
Stewarts Point, 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 Stewarts Point?
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Radon FAQ for Stewarts Point, CA
What EPA Radon Zone is Stewarts Point in?
Stewarts Point and the 95480 zip code are in Sonoma 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 Stewarts Point?
Radon mitigation in Stewarts Point 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 Stewarts Point?
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 |