Seattle, Washington · West US · Pop. 750K
Concrete Slab Cost in Seattle, Washington (2026)
How much does a concrete slab cost in Seattle in 2026? This guide covers average prices per square foot, what drives costs up or down in the Seattle market, and a free calculator to estimate your project.
$8 - $13Per Sq Ft (installed)
128%of National Avg
2026Pricing Updated
2026 Cost Summary - Seattle
Typical Range$8 - $13/sq ft
vs. National Avg$5 - $12/sq ft
Above national average (1.28x multiplier). Estimates include labor, concrete, finishing, and standard site prep. Permit fees, demolition, and special finishes (stamped, stained) not included.
Quick Estimates
- 10x10 slab$800 - $1,300
- 20x20 patio$3,200 - $5,200
- 30x30 driveway$7,200 - $11,700
- 40x60 lot$19,200 - $31,200
How Seattle Compares to Other Cities (2026)
| City | State | Low ($/sq ft) | High ($/sq ft) | vs. Nat. Avg |
|---|---|---|---|---|
| Houston | TX | $5 | $8 | -8% |
| Dallas | TX | $5 | $8 | -6% |
| Atlanta | GA | $5 | $9 | -4% |
| Nashville | TN | $5 | $8 | -10% |
| Phoenix | AZ | $5 | $9 | -5% |
| Denver | CO | $6 | $10 | +5% |
| Miami | FL | $6 | $10 | +2% |
| Chicago | IL | $7 | $11 | +18% |
| Seattle â˜... | WA | $8 | $13 | +28% |
| Los Angeles | CA | $9 | $15 | +45% |
Free Calculator
Estimate Your Seattle Concrete Project
Enter your slab dimensions to get a custom cost estimate.