Saint Matthews, SC Radon Levels

Q: What is the average radon level in Saint Matthews, SC?

Based on 1 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Saint Matthews in?

Saint Matthews is in Calhoun County, EPA Zone 3.

Q: How much does radon mitigation cost in Saint Matthews?

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

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

Saint Matthews, SC Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Calhoun County, SC

Zip Code 29135

Avg. User Level 5.00 pCi/L

User Tests 1

Saint Matthews in Calhoun County shows an average radon level of 5.0 pCi/L, which exceeds the EPA's recommended action threshold of 4.0 pCi/L. This Columbia Metro community sits in EPA Zone 3, where South Carolina's coastal plain geology typically produces lower radon levels. The elevated reading in the 29135 zip code suggests homeowners should prioritize testing and consider mitigation if levels exceed 4.0 pCi/L.

5.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Saint Matthews, SC. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Saint Matthews, SC Radon Mitigation

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Saint Matthews, SC Radon Levels

User-submitted radon test readings from homes in the Saint Matthews area.

Radon Level	City	Home Age	Foundation
5 pCi/L	Saint Matthews, SC	21-50 Years	No Basement/All Slab

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Radon FAQ for Saint Matthews, SC

What is the average radon level in Saint Matthews, SC?

Based on 1 user-submitted test, the average radon level in Saint Matthews is 5.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Saint Matthews in?

Saint Matthews and the 29135 zip code are in Calhoun 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 Saint Matthews?

Radon mitigation in Saint Matthews 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 Saint Matthews?

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.

City	Avg User Radon Level	Submissions
Fort Mill	6.00 pCi/L	1
Greenville	5.00 pCi/L	1

Saint Matthews, SC Radon Levels

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

Saint Matthews, SC Radon Facts

Saint Matthews, SC Radon Mitigation

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Saint Matthews, SC Radon Levels

Radon FAQ for Saint Matthews, SC

Most Active Radon Markets in South Carolina

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