How Much Does Radon Mitigation Cost in Honolulu, HI?
Honolulu pricing is 50% above the national average. Updated for 2026.
Based on local labor rates, varied climate conditions, and Honolulu's diversified economy.See our methodology
Radon Mitigation Pricing in Honolulu, HI
Honolulu is a high-cost market where radon mitigation runs about 50% above the national average. The city's diversified economy supports higher wages, which translates to elevated contractor rates. With a population of 345K, competition among providers exists but demand keeps prices firm.
Local climate plays a direct role in radon mitigation costs here. Varied climate depending on location; earthquake considerations in some areas.
Market-specific factors matter in Honolulu: higher cost of living in coastal areas; more affordable inland.
Honolulu 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.
Honolulu vs National Average
What Affects Radon Mitigation Cost in Honolulu?
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
Honolulu Market Conditions
higher cost of living in coastal areas; more affordable inland
Local Climate Impact
varied climate depending on location; earthquake considerations in some areas
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Top-Rated Radon Mitigation Pros in Honolulu, HI
6 providersElite Roofing & Siding
⭐ PREMIUMServing Honolulu and surrounding areas since 2018. Licensed, insured, and committed to quality workmanship at fair prices.
First Choice Property Services
⭐ PREMIUMServing Honolulu and surrounding areas since 1996. Licensed, insured, and committed to quality workmanship at fair prices.
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Tips to Save on Radon Mitigation in Honolulu
- 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 Honolulu Cost Trends (2020–2024)
Prices have increased +17.8% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $1,528 | — |
| 2021 | $1,592 | +4.2% |
| 2022 | $1,696 | +6.5% |
| 2023 | $1,744 | +2.8% |
| 2024 | $1,800 | +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 Honolulu
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 Honolulu than other cities?
Honolulu'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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