Port Royal, SC Radon Levels
Check local Port Royal radon levels and find certified testing and mitigation professionals to keep your home safe
Port Royal, SC Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Beaufort County, SC
Zip Code
29935
Located in Beaufort County within the Hilton Head Island Metro, Port Royal sits on South Carolina's coastal plain sediments and marine deposits. Testing information for zip code 29935 remains sparse, emphasizing the importance of individual home radon measurements. The area's coastal geology and predominantly crawl space or slab foundation homes typically result in lower radon accumulation potential.
Port Royal, 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 Port Royal, SC
What EPA Radon Zone is Port Royal in?
Port Royal and the 29935 zip code are in Beaufort 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 Port Royal?
Radon mitigation in Port Royal 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 Port Royal?
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 |