Salt Lake City, UT Radon Levels

Q: What EPA Radon Zone is Salt Lake City in?

Salt Lake City is in Salt Lake County, EPA Zone 2.

Q: How much does radon mitigation cost in Salt Lake City?

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

Check local Salt Lake City radon levels and find certified testing and mitigation professionals to keep your home safe

Salt Lake City, UT Radon Facts

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

County Salt Lake County, UT

Zip Code 84101

As Utah's capital city in Salt Lake County, Salt Lake City sits in a mountain-ringed valley where glacial lake deposits and underlying bedrock create moderate radon potential across its diverse neighborhoods. While specific testing data is limited, the city's extensive housing stock ranges from historic Victorian homes to modern high-rises, each presenting unique radon entry characteristics. Homeowners throughout the Salt Lake City Metro should prioritize professional testing regardless of their zip code or construction era.

Salt Lake City, UT 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 Salt Lake City, UT

What EPA Radon Zone is Salt Lake City in?

Salt Lake City and the 84101 zip code are in Salt Lake 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 Salt Lake City?

Radon mitigation in Salt Lake City 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 Salt Lake City?

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 Utah

Cities in Utah with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Vernal	8.60 pCi/L	5
Logan	8.00 pCi/L	5
Smithfield	12.00 pCi/L	4
Bountiful	6.75 pCi/L	4
Cedar City	4.50 pCi/L	4
Eagle Mountain	10.67 pCi/L	3
Heber City	5.00 pCi/L	3
Brigham City	9.00 pCi/L	1
Lehi	7.00 pCi/L	1
Saint George	No submissions	0