Loomis, CA Radon Levels

Q: What EPA Radon Zone is Loomis in?

Loomis is in Placer County, EPA Zone 2.

Q: How much does radon mitigation cost in Loomis?

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

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

Loomis, CA Radon Facts

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

County Placer County, CA

Zip Code 95650

Situated in Placer County within the Sacramento Metro's foothills region, Loomis in zip code 95650 sits on Sierra Nevada granite formations where radon levels are typically lower than in sedimentary regions. With limited radon testing data available for this community, residents should consider individual home testing to establish reliable baseline measurements. California's varied geology means that even in areas with generally lower radon potential, individual properties can occasionally produce unexpected readings.

Loomis, CA Radon Mitigation

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

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Radon FAQ for Loomis, CA

What EPA Radon Zone is Loomis in?

Loomis and the 95650 zip code are in Placer 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 Loomis?

Radon mitigation in Loomis 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 Loomis?

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