Carson, CA Radon Levels
Check local Carson radon levels and find certified testing and mitigation professionals to keep your home safe
Carson, CA Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Los Angeles County, CA
Zip Code
90745
Located in Los Angeles County within the expansive Los Angeles Metro area, Carson sits in EPA Zone 2, indicating moderate radon potential despite Southern California's generally lower levels. The community's position on marine sediments and alluvial deposits typically allows radon to dissipate naturally. While testing data for zip codes 90745 and 90746 remains limited, homeowners should consider baseline testing, particularly in properties with basements or built on fill soils.
Carson, CA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Carson?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Los Angeles County Pros
1-800-299-3578
Toll-free · Mon–Fri 8am–6pm ET
Radon FAQ for Carson, CA
What EPA Radon Zone is Carson in?
Carson and the 90745 zip code are in Los Angeles 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 Carson?
Radon mitigation in Carson 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 Carson?
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 |