Mira Loma, CA Radon Levels

Q: What EPA Radon Zone is Mira Loma in?

Mira Loma is in Riverside County, EPA Zone 2.

Q: How much does radon mitigation cost in Mira Loma?

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

Check local Mira Loma radon levels and find certified testing and mitigation professionals to keep your home safe

Mira Loma, CA Radon Facts

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

County Riverside County, CA

Zip Code 91752

Now part of Jurupa Valley in Riverside County, Mira Loma sits within the Riverside Metro area and EPA Zone 2, where moderate radon potential exists across Southern California's inland valleys. Testing data for zip code 91752 remains limited, though the area's alluvial soils and predominantly slab-on-grade construction typically produce lower readings. Given California's newer building standards and geological conditions, radon risk is generally moderate, though testing is still recommended for peace of mind.

Mira Loma, CA Radon Mitigation

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Radon FAQ for Mira Loma, CA

What EPA Radon Zone is Mira Loma in?

Mira Loma and the 91752 zip code are in Riverside 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 Mira Loma?

Radon mitigation in Mira Loma 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 Mira Loma?

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