Mira Loma, CA Radon Mitigation and Testing

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.

Riverside County

EPA Zone 2

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

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

Mira Loma, CA Radon Testing

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

Mira Loma Radon Facts

Key details about the radon risk profile for Mira Loma and the 91752 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Riverside County, CA

Zip Code

91752

Predicted Screening Level

2–4 pCi/L (Zone 2)

Mira Loma and the 91752 zip code are located in Riverside 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 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 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