Petaluma, CA Radon Levels
Check local Petaluma radon levels and find certified testing and mitigation professionals to keep your home safe
Petaluma, CA Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Sonoma County, CA
Zip Code
94952
Positioned in the Petaluma Valley of Sonoma County, this North Bay community sits on alluvial soils and sedimentary formations that generally produce moderate radon potential. With limited radon testing data currently available for the Petaluma area, residents across all zip codes should consider home testing, especially given the varied geological conditions throughout Sonoma County.
Petaluma, 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 Petaluma?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Sonoma County Pros
1-800-299-3578
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Radon FAQ for Petaluma, CA
What EPA Radon Zone is Petaluma in?
Petaluma and the 94952 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 Petaluma?
Radon mitigation in Petaluma 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 Petaluma?
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 |