Greenville, SC Radon Mitigation and Testing

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

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

Q: What EPA Radon Zone is Greenville in?

Greenville is in Greenville County, EPA Zone 1.

Q: How much does radon mitigation cost in Greenville?

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

Avg: 5.00 pCi/L

Greenville County

EPA Zone 1

1 user test

The heart of Greenville County and anchor of the Greenville Metro area, this city sits in South Carolina's Piedmont region on metamorphic bedrock. Testing in zip code 29601 shows an average radon level of 5.0 pCi/L, which exceeds the EPA action level. Homeowners throughout the area's diverse housing stock, from downtown historic properties to suburban neighborhoods, should conduct radon testing and consider mitigation when necessary.

5.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Greenville, SC Radon Mitigation

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

Greenville, SC Radon Testing

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

Greenville, South Carolina Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Greenville, SC	51-99 Years	No Basement/All Crawl Space	Jan 2019

Have a radon test result for Greenville? Submit your reading to help other homeowners.

Greenville Radon Facts

Key details about the radon risk profile for Greenville and the 29601 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Greenville County, SC

Zip Code

29601

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Greenville and the 29601 zip code are located in Greenville County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Greenville, SC

What is the average radon level in Greenville, SC?

Based on 1 user-submitted test, the average radon level in Greenville 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 Greenville in?

Greenville and the 29601 zip code are in Greenville County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Greenville?

Radon mitigation in Greenville 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 Greenville?

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 with the most user-submitted radon test data in the state.

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