Note: The concrete patio costs provided are estimates only. Actual pricing may vary based on site conditions, material availability, design complexity, and local contractor rates in Seattle. es. Final quotes are provided by a licensed contractor.
In Seattle, concrete patios typically cost $8 to $15 per square foot in 2025.
Basic concrete slab: $8–$12/sq ft
Colored concrete: $11–$16/sq ft
Stamped or decorative finishes: $14–$20/sq ft
Costs depend on the size, finish, site prep, and materials used.
National average: $5–$10/sq ft
Seattle average: $8–$15/sq ft due to higher local labor and material costs
For example, a 200 sq ft patio may cost $2,000–$3,400 in Seattle vs $1,200–$2,200 nationally.
Several elements influence your total cost:
Size of the patio
Thickness of the slab (standard is 4″, but 6″ may be required)
Type of finish: broomed, stained, exposed aggregate, or stamped
Reinforcements: rebar or mesh
Site prep: removal, grading, and accessibility
Permits: required in some areas of Seattle for large or attached patios.
Small patios (under 200 sq ft and detached): Usually no permit needed
Large or attached patios: May require permits from the Seattle Department of Construction & Inspections (SDCI)
Always check local codes before starting your project.
