Summerland, CA Radon Levels
Check local Summerland radon levels and find certified testing and mitigation professionals to keep your home safe
Summerland, CA Radon Facts
EPA Radon Zone
Unknown
Unknown
County
Santa Barbara County, CA
Zip Code
93067
Situated in Santa Barbara County within the Santa Maria Metro area, Summerland has recorded an average radon level of 7.0 pCi/L based on limited testing data. This reading significantly exceeds the EPA action level of 4.0 pCi/L, indicating that homes in zip code 93067 may face elevated radon risk despite California's generally low radon potential.
Summerland, CA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Radon FAQ for Summerland, CA
What EPA Radon Zone is Summerland in?
Summerland and the 93067 zip code are in Santa Barbara County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.
How much does radon mitigation cost in Summerland?
Radon mitigation in Summerland 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 Summerland?
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 |