Building Fees & Impact Fees in Seattle, [object Object]
Total government fees for new construction in Seattle, King County, WA. Includes impact fees, utility connections, permits, and assessments.
$35,000
Estimated Total Fees — Standard Single-Family Home
Based on typical 2,000 sq ft home, $300K construction value. Actual fees vary by project.
Fee Breakdown
| Fee Type | Amount | Basis |
|---|
| Water Connection Fee |
$7,000 |
Flat fee |
| Sewer Connection Fee |
$6,300 |
Flat fee |
| Transportation Impact Fee |
$7,700 |
Flat fee |
| School Impact Fee |
$5,250 |
Flat fee |
| Parks Impact Fee |
$3,500 |
Flat fee |
| Building Permit Fee |
$5,250 |
Flat fee |
Important Notes:
- Seattle uses System Development Charges (SDCs) for water and sewer.
- Pacific Northwest cities have adopted significant impact fees for growth management.
- School impact fees are common in Washington state.
- Estimate based on new single-family construction in Seattle.
Sources & Accuracy: Fee data sourced from Seattle published fee schedules
(effective July 2025).
Data confidence: Partial.
Fees change periodically. Always confirm current fees with the city building department before budgeting.