Guadalupe, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Guadalupe in?

Guadalupe is in Santa Barbara County, EPA Zone 1.

Q: How much does radon mitigation cost in Guadalupe?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Santa Barbara County

EPA Zone 1

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.

Guadalupe, CA Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Guadalupe Radon Facts

Key details about the radon risk profile for Guadalupe and the 93434 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Santa Barbara County, CA

Zip Code

93434

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Guadalupe and the 93434 zip code are located in Santa Barbara County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

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 with the most user-submitted radon test data in the state.

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
Woodland Hills	7.67 pCi/L	3
South Lake Tahoe	6.33 pCi/L	3
Palos Verdes Peninsula	6.00 pCi/L	3
Bishop	5.67 pCi/L	3
Sacramento	4.33 pCi/L	3
Oakland	3.33 pCi/L	3
Fresno	10.00 pCi/L	2
Davis	8.00 pCi/L	2
Palo Alto	6.50 pCi/L	2
Studio City	6.50 pCi/L	2
Menlo Park	5.00 pCi/L	2
Truckee	5.00 pCi/L	2
Walnut Creek	4.00 pCi/L	2
San Diego	3.50 pCi/L	2
San Francisco	3.50 pCi/L	2
Belmont	20.00 pCi/L	1