Newport Coast, CA Radon Mitigation and Testing

Q: What is the average radon level in Newport Coast, CA?

Based on 1 user-submitted tests, the average radon level is 3.00 pCi/L.

Q: What EPA Radon Zone is Newport Coast in?

Newport Coast is in Orange County, EPA Zone 3.

Q: How much does radon mitigation cost in Newport Coast?

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

Avg: 3.00 pCi/L

Orange County

EPA Zone 3

1 user test

Newport Coast is located in Orange County, California. With 1 user-submitted readings averaging 3.00 pCi/L, levels are currently below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.

3.00

pCi/L average

Below EPA Action Level

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

4.0 EPA

10+

Newport Coast, CA Radon Mitigation

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

Newport Coast, CA Radon Testing

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

Newport Coast, California Radon Levels

User-submitted radon test readings from homes in the Newport Coast area.

Radon Level	City	Home Age	Foundation	Submitted
3 pCi/L	Newport Coast, CA	0-20 Years	No Basement/All Crawl Space	Nov 2021

Have a radon test result for Newport Coast? Submit your reading to help other homeowners.

Newport Coast Radon Facts

Key details about the radon risk profile for Newport Coast and the 92657 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Orange County, CA

Zip Code

92657

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Avg. User Submitted Level

3.00 pCi/L

User Tests Submitted

Newport Coast and the 92657 zip code are located in Orange County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Newport Coast, CA

What is the average radon level in Newport Coast, CA?

Based on 1 user-submitted test, the average radon level in Newport Coast is 3.00 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.

What EPA Radon Zone is Newport Coast in?

Newport Coast and the 92657 zip code are in Orange County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Newport Coast?

Radon mitigation in Newport Coast 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 Newport Coast?

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