Guadalupe, CA Radon Levels
Check local Guadalupe radon levels and find certified testing and mitigation professionals to keep your home safe
Guadalupe, CA Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Santa Barbara County, CA
Zip Code
93434
Positioned in agricultural Santa Barbara County along California's Central Coast, Guadalupe sits on marine terraces and alluvial deposits that typically produce minimal radon emissions. The community's housing mix includes farmworker housing, older single-family homes, and mobile home parks, most built on concrete slab foundations. Though radon testing data for zip code 93434 is currently limited, the area's coastal geology and construction styles generally correlate with lower radon risk.
Guadalupe, 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 Guadalupe?
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Radon FAQ for Guadalupe, CA
What EPA Radon Zone is Guadalupe in?
Guadalupe and the 93434 zip code are in Santa Barbara County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Guadalupe?
Radon mitigation in Guadalupe 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 Guadalupe?
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 |