How Much Does Radon Mitigation Cost in Seattle, WA?
Average radon mitigation costs in Seattle range from $2,763 to $3,738. Get a free, customized estimate below.
Radon Mitigation Cost Breakdown — Seattle, WA
| Item | Unit | Qty | Unit Price | Total |
|---|---|---|---|---|
| Radon Fan & Vent Pipe | lump sum | 1 | $1105.00 | $1105.00 |
| Sub-Slab Suction Points | each | 3 | $234.00 | $702.00 |
| Sealing & Testing | lump sum | 1 | $455.00 | $455.00 |
| Labor (install & certification) | hr | 8 | $123.50 | $988.00 |
| Estimated Total | $3,250.00 | |||
* Prices are estimates based on Seattle market rates. Actual costs may vary based on project specifics.
Estimate
Ref ID: EST-2026-K158
Date Issued
May 6, 2026
Client
Project Details
Site Address
Start Date
End Date
Scope of Work
Materials
| Material Specification | Units | Amount | Ext. Total | |
|---|---|---|---|---|
$ | $1,105 | |||
$ | $702 | |||
$ | $455 | |||
$ | $988 |
Labor
| Service Specification | Type | Hrs | Rate | Ext. Total | |
|---|---|---|---|---|---|
Craftsmanship Guarantee | $ | $600 |
Contractual Agreements & Conditions
Total
$3,850
Draft
Frequently Asked Questions — Radon Mitigation in Seattle
How much does radon mitigation cost in Seattle, WA?
The average cost for radon mitigation in Seattle, WA ranges from $2,763 to $3,738, depending on project scope, materials, and labor rates. Seattle costs are above the national average due to higher labor and material costs in the region.
How do I get a free radon mitigation estimate in Seattle?
Use Brixor's free online estimate generator above. Enter your project details, customize line items for your specific needs, and download a professional PDF estimate instantly. No signup or credit card required.
What factors affect radon mitigation costs in Seattle?
Key factors include project size and complexity, material quality, labor rates in Seattle (WA), permit requirements, accessibility of the work area, and seasonal demand. Getting multiple estimates is recommended.