Radon Mitigation Cost Calculator
Quick Answer
In 2026, Radon Mitigation costs $500 – $2,000 nationally across the full range of project scopes. A typical project at our standard assumptions runs $1,280–$1,973. Labor accounts for roughly 47% of the total. Most projects finish in 4-8 hours for standard sub-slab depressurization system; 1 day including post-testing. Use the calculator below for a ZIP-code-specific estimate.
$500 – $2,000
National average · Updated October 2026 · Based on real BLS labor data + material prices · 6 sources cited
In 2026, radon mitigation costs $500 – $2,000 nationally. Labor runs $70–$140 per hour depending on your ZIP code — use the calculator below for a ZIP-specific estimate. Based on BLS OEWS — Construction Laborers (SOC 47-2061) and current material prices from Home Depot, Lowe's, and regional suppliers. Updated October 2026.
Unit Cost Estimator
Line-item breakdown: materials + labor hours + supplies + disposal
Active sub-slab depressurization, continuous fan, gauge, piping
Your Estimated Total Cost
$1,280 – $1,973
Average: $1,627 ($1,280–$1,973 per system)
⚠️ Note: This estimate excludes general contractor overhead & profit — if a GC supervises this project, add 10%–15% for project management, scheduling, and quality oversight.
📋 Detailed Cost Breakdown
| Item | Qty | Low | High |
|---|---|---|---|
| Materials (Standard grade) Active sub-slab depressurization, continuous fan, gauge, piping | 1 system | $700 | $828 |
| Repair Labor 7.2 hrs × $70–$140/hr (all-in billed rate) | 7.2 hrs | $506 | $1,012 |
| Job Supplies & Consumables Fasteners, sealant, caulk, adhesives, cleanup materials | 1 system | $56 | $98 |
| Debris Disposal & Haul-Away Dumpster or truck haul, landfill fees | per project | $18 | $35 |
| TOTAL ESTIMATE | $1,280 | $1,973 | |
👷 Labor Detail
Estimate uses the Unit Cost Method: material unit price × quantity + labor hours × local wage rate + supplies + disposal. Wage data from BLS Occupational Employment Statistics. Material prices from national retail averages. Actual costs vary by contractor, site conditions, and material availability. Get 2-3 quotes for comparison.
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Radon Mitigation Cost Breakdown
Typical Total Cost
$500 – $2,000
The range spans the smallest and largest jobs we price — the quality selector below prices each.
How Much Does Radon Mitigation Cost by Scope?
Costs for radon mitigation vary significantly based on project scope, material quality, and regional labor rates. The table below shows typical price ranges for different project levels.
Radon Mitigation Cost Ranges(total project cost)
| Scope / Factor | Low | Average | High | Notes |
|---|---|---|---|---|
| Basic / Small Scope | $800 | $1,650 | $1,650 | Minimal work, standard materials |
| Standard / Average Project | $800 | $1,650 | $2,500 | Typical residential scope |
| Premium / Large Scope | $1,650 | $2,500 | $2,500+ | Custom work, premium materials |
| Per-Unit Cost | Varies by project size and complexity |
How Is Radon Mitigation Cost Split Between Labor and Materials?
When Is the Cheapest Time to Schedule Radon Mitigation?
Timing your radon mitigation project strategically can save thousands. Here is how pricing varies by season:
Spring (Mar-May)
Radon testing season; windows closed early/late gives accurate readings
Summer (Jun-Aug)
Open windows reduce test accuracy; mitigation system installs moderate
Fall (Sep-Nov)
Good testing window; homes closed up but not weather-sealed
Winter (Dec-Feb)
Peak radon season; homes sealed tight, highest radon levels detected
How Does Project Scope Affect Radon Mitigation Cost?
Budget (Passive Stack)
-50% on material cost vs Standard
Passive sub-slab depressurization, no fan, requires testing
Standard (Active SSD with Fan)
+0% on material cost vs Standard
Active sub-slab depressurization, continuous fan, gauge, piping
Premium (Active + HRV + Sealing)
+6% on material cost vs Standard
Active mitigation plus HRV, crawl space sealing, sump cover
What Affects Radon Mitigation Cost?
Size & Scope
Larger radon mitigation projects naturally cost more. Square footage and project complexity are the biggest cost drivers.
Project Tiers
Budget, standard, and premium tiers can vary in cost by 2-3x. See the tier breakdown above.
Season & Timing
Off-season scheduling can trim costs (our calculator applies up to a 15% winter adjustment on weather-sensitive work). Emergency work commands a premium.
Existing Condition
Structural damage, mold, or outdated systems can add unexpected costs during the project.
Permits & Inspections
Radon mitigation installation requires permit in states with radon programs ($50-200). NRPP or NRSB certified installer required. Post-mitigation testing required to confirm levels below 4.0 pCi/L per EPA action level.
Should You DIY or Hire a Pro for Radon Mitigation?
DIY Approach
Professional
How to Estimate Your Radon Mitigation Cost
- 1
Measure Your Project Size
Determine the square footage or scope of your radon mitigation project. Typical projects range from 0 to 4 system.
- 2
Choose Your Quality Level
Select from Budget (Passive Stack), Standard (Active SSD with Fan), Premium (Active + HRV + Sealing) options. Budget-grade materials cost about 50% less and premium-grade about 6% more than the standard tier.
- 3
Check Local Labor Rates
Labor costs vary significantly by location. Enter your ZIP code in the calculator above to get pricing based on regional wage data for radon mitigation projects.
- 4
Consider Seasonal Pricing
Peak radon season; homes sealed tight, highest radon levels detected
- 5
Get Your Estimate
Use our radon mitigation calculator above to instantly compute a personalized estimate including all factors. Compare with 2-3 contractor quotes for a competitive price.
How Much Does Radon Mitigation Cost in Your State?
Costs vary significantly by location. Check pricing in your state:
What Is the ROI for Radon Mitigation?
Radon Mitigation ROI
Essential for health; 4.0+ pCi/L requires mitigation; reduces lung cancer risk; required at home sale in many states
Actual ROI depends on local real estate market conditions, quality of workmanship, material selection, and whether the project addresses a functional need or is purely cosmetic.
What Do Homeowners Ask About Radon Mitigation Cost?
Is $2,000 for radon mitigation actually reasonable?
Should I test for radon?
Can I install radon mitigation myself?
How long does radon mitigation take?
Does radon mitigation increase home value?
📊 Sources & references
Pricing sources
- •BLS OEWS — Construction Laborers (SOC 47-2061): general construction labor rates for radon system work. Visit source ↗
- •Home Depot — Material & Product Pricing: Current retail pricing for materials, fixtures, and supplies. Visit source ↗
References
- •EPA — Radon Guide: EPA action levels and mitigation recommendations for radon. Visit source ↗
- •AARST — Mitigation Standards: American Association of Radon Scientists and Technologists standards. Visit source ↗
- •ASTM E2121 — Radon Mitigation: ASTM standard for radon mitigation system installation. Visit source ↗
- •Harvard JCHS — Housing Trends: Joint Center for Housing Studies remodeling expenditure data. Visit source ↗
Pricing sources supply the wage and material inputs used in the estimate; references are the trade standards and program guidance behind the assumptions. Full methodology and disclaimer available at /disclaimer.
Reviewed by the HomeServiceCost Research Team. Our team analyzes pricing data from the U.S. Bureau of Labor Statistics, Census Bureau ACS surveys, and major home improvement retailers to produce accurate cost estimates. This guide was last reviewed and updated on October 2026.
Methodology: Cost ranges are calculated using regional labor multipliers, material price indices, and project complexity factors. Data is re-baselined when BLS publishes new OEWS figures (annual).
❓ Radon Mitigation Q&A
Real answers to the questions homeowners ask most about radon mitigation costs, timelines, and contractor hiring.
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⚖️ Comparisons
View all comparisons →📊 Data Sources & Disclaimer
Cost estimates based on U.S. Bureau of Labor Statistics (BLS) Occupational Employment & Wage Statistics (OEWS) data, U.S. Census Bureau American Community Survey (ACS), and major home improvement retailer pricing. Estimates are for informational planning purposes only and do not constitute a guaranteed quote. Actual costs vary by location, contractor, materials, and project scope. Full disclaimer.