Newark, CA Radon Mitigation and Testing

Q: What EPA Radon Zone is Newark in?

Newark is in Alameda County, EPA Zone 2.

Q: How much does radon mitigation cost in Newark?

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

Alameda County

EPA Zone 2

Located in Alameda County within the San Francisco Bay Area, Newark currently has minimal radon testing data from local residents. The city's position on bay sediments and alluvial deposits generally suggests lower radon potential, though individual properties near geological transitions can still show elevated levels. Homeowners should consider testing, especially in areas with different soil conditions or foundation types.

Newark, CA Radon Mitigation

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

Newark, CA Radon Testing

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

Newark Radon Facts

Key details about the radon risk profile for Newark and the 94560 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Alameda County, CA

Zip Code

94560

Predicted Screening Level

2–4 pCi/L (Zone 2)

Newark and the 94560 zip code are located in Alameda County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Newark, CA

What EPA Radon Zone is Newark in?

Newark and the 94560 zip code are in Alameda 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 Newark?

Radon mitigation in Newark 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 Newark?

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