Goleta, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Goleta in?

Goleta is in Santa Barbara County, EPA Zone 1.

Q: How much does radon mitigation cost in Goleta?

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

Located in Santa Barbara County along California's central coast, Goleta benefits from marine sedimentary geology that typically produces lower radon levels. The 93117 zip code area lacks sufficient testing data to establish community averages, making individual home testing the best way to determine radon exposure. Coastal California's geological conditions generally result in minimal radon concerns, though testing remains the only reliable method to confirm safe levels.

Goleta, CA Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Goleta, CA Radon Testing

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

Goleta Radon Facts

Key details about the radon risk profile for Goleta and the 93117 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Santa Barbara County, CA

Zip Code

93117

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Goleta and the 93117 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 Goleta, CA

What EPA Radon Zone is Goleta in?

Goleta and the 93117 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 Goleta?

Radon mitigation in Goleta 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 Goleta?

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