Santa Cruz, CA Radon Levels

Q: What is the average radon level in Santa Cruz, CA?

Based on 1 user-submitted tests, the average radon level is 6.00 pCi/L.

Q: What EPA Radon Zone is Santa Cruz in?

Santa Cruz is in Santa Cruz County, EPA Zone 2.

Q: How much does radon mitigation cost in Santa Cruz?

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

Check local Santa Cruz radon levels and find certified testing and mitigation professionals to keep your home safe

Santa Cruz, CA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Santa Cruz County, CA

Zip Code 95060

Avg. User Level 6.00 pCi/L

User Tests 1

Coastal Santa Cruz County in zip code 95060 benefits from marine influences and sedimentary geology that typically result in lower radon concentrations. However, testing data for this specific area remains limited, making individual home assessment particularly valuable. The community's mix of older beach cottages and modern coastal construction creates varying conditions for radon accumulation, especially in homes with below-grade spaces or those built into hillside locations.

6.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Santa Cruz, CA. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Santa Cruz, 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 Santa Cruz, CA

What is the average radon level in Santa Cruz, CA?

Based on 1 user-submitted test, the average radon level in Santa Cruz is 6.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Santa Cruz in?

Santa Cruz and the 95060 zip code are in Santa Cruz County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Santa Cruz?

Radon mitigation in Santa Cruz 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 Santa Cruz?

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