Budget planning guide

Deck Building cost in Seattle, WA

A transparent starter-scope range for homeowners planning deck building in Seattle, WA. Review the assumptions, then use the project estimator for your own scope.

Starter-scope range

$9,170–$12,950

Planning midpoint: $10,790

The planning model applies a higher regional cost factor for this market.

What the model includes

Starter scope and assumptions

Adjust quantities for your project

Decking Material

300 sq ft × $10.4

$3,120

Framing & Posts

1 lump sum × $1,560

$1,560

Labor

40 hr × $84.5

$3,380

Railing

60 linear ft × $45.5

$2,730

This is a budgeting example based on a defined starter scope, not a quote or a live survey of local bids. Actual pricing depends on measurements, site conditions, material choices, permits, contractor availability, and the final scope.

Local guides

Compare starter scopes by city

New York, NYLos Angeles, CAChicago, ILHouston, TXPhoenix, AZPhiladelphia, PASan Antonio, TXSan Diego, CA

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