How Much Does Radon Mitigation Cost in Charleston, SC?
Charleston pricing is near the national average. Updated for 2026.
Based on local labor rates, varied climate conditions, and Charleston's diversified economy.See our methodology
Radon Mitigation Pricing in Charleston, SC
Charleston offers near-average pricing for radon mitigation, making it a reasonable market for this service. The local diversified economy supports a balanced labor pool, and the city's 150K population base ensures you can find multiple qualified providers to compare quotes.
Local climate plays a direct role in radon mitigation costs here. Hot humid summers drive HVAC and pest control demand; hurricane risk in coastal areas.
Market-specific factors matter in Charleston: growing market with competitive contractor rates.
Charleston has moderate permitting requirements. Depending on the scope of your radon mitigation project, you may need local permits. A licensed contractor will handle the permitting process as part of the job in most cases.
Charleston vs National Average
What Affects Radon Mitigation Cost in Charleston?
Foundation
Basement: $800-$1,500. Slab-on-grade: $1,000-$1,800. Crawl space: $1,200-$2,500. Multiple foundation types: $1,500-$2,500
System
Sub-slab depressurization: $800-$1,500. Sub-membrane: $1,200-$2,000. Heat recovery ventilator: $1,500-$2,500
Charleston Market Conditions
growing market with competitive contractor rates
Local Climate Impact
hot humid summers drive HVAC and pest control demand; hurricane risk in coastal areas
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Top-Rated Radon Mitigation Pros in Charleston, SC
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Tips to Save on Radon Mitigation in Charleston
- 1.Start with a radon test kit ($15-$40) before hiring a pro
- 2.Sub-slab depressurization is the most cost-effective method
- 3.Some states offer tax credits or subsidies for radon mitigation
- 4.DIY-friendly test kits are available at hardware stores
📈 Radon Mitigation in Charleston Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $999 | — |
| 2021 | $1,041 | +4.2% |
| 2022 | $1,109 | +6.5% |
| 2023 | $1,140 | +2.8% |
| 2024 | $1,176 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Radon Mitigation in Charleston
Recent Reports
Frequently Asked Questions
What radon level requires mitigation?
The EPA recommends mitigation if radon levels are at or above 4 pCi/L (picocuries per liter). Many experts suggest considering mitigation at 2 pCi/L.
Why does radon mitigation cost different in Charleston than other cities?
Charleston's costs reflect local labor rates driven by the diversified economy, varied climate conditions that affect materials and scheduling, and moderate permitting requirements. The balanced labor market also influences competitive pricing.
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