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Buffalo, SC Radon Levels

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


Buffalo, SC Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Union County, SC
Zip Code 29321

This Union County community lies within the Carolina Piedmont's rolling terrain, where granite bedrock and clay soils typically produce lower radon levels. Buffalo's location in the Spartanburg metro area features predominantly newer construction with varied foundation types. Since testing data remains limited for zip code 29321, local homeowners should test to understand their specific radon exposure risk.

Buffalo, SC 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 Buffalo, SC

What EPA Radon Zone is Buffalo in?
Buffalo and the 29321 zip code are in Union County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.
How much does radon mitigation cost in Buffalo?
Radon mitigation in Buffalo 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 Buffalo?
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 South Carolina

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

CityAvg User Radon LevelSubmissions
Fort Mill 6.00 pCi/L 1
Greenville 5.00 pCi/L 1