How Much Does Basement Finishing Cost in Seattle, WA?
Average basement finishing costs in Seattle range from $10,608 to $14,352. Get a free, customized estimate below.
Basement Finishing Cost Breakdown — Seattle, WA
| Item | Unit | Qty | Unit Price | Total |
|---|---|---|---|---|
| Framing | sq ft | 600 | $5.20 | $3120.00 |
| Insulation | sq ft | 600 | $2.60 | $1560.00 |
| Drywall | sq ft | 1200 | $3.25 | $3900.00 |
| Flooring | sq ft | 600 | $6.50 | $3900.00 |
| Estimated Total | $12,480.00 | |||
* Prices are estimates based on Seattle market rates. Actual costs may vary based on project specifics.
Estimate
Ref ID: EST-2026-6X8U
Date Issued
May 6, 2026
Client
Project Details
Site Address
Start Date
End Date
Scope of Work
Materials
| Material Specification | Units | Amount | Ext. Total | |
|---|---|---|---|---|
$ | $3,120 | |||
$ | $1,560 | |||
$ | $3,900 | |||
$ | $3,900 |
Labor
| Service Specification | Type | Hrs | Rate | Ext. Total | |
|---|---|---|---|---|---|
Craftsmanship Guarantee | $ | $600 |
Contractual Agreements & Conditions
Total
$13,080
Draft
Frequently Asked Questions — Basement Finishing in Seattle
How much does basement finishing cost in Seattle, WA?
The average cost for basement finishing in Seattle, WA ranges from $10,608 to $14,352, 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 basement finishing 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 basement finishing 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.