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Decks And Porches in Seattle, WA - Costs 04/2026

The average cost of decks and porches in Seattle, WA ranges from $4,122 to $15,813 per project. Actual costs may vary based on the scope of work and local market conditions.

Low

$4,122

Average

$8,745

High

$15,813

per project

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Decks And Porches Costs in Seattle, WA

Service

Low

High

Wooden Deck Construction

$4,390

$18,851

Composite Deck Installation

$5,328

$28,038

Screened Porch Build

$14,843

$34,689

Covered Porch Construction

$8,454

$29,531

Multi-Level Deck Installation

$23,761

$73,080

Deck Repair And Refinishing

$654

$3,986

[6]

$13

$21

Composite

$27

$78

Redwood Or Cedar

$14

$36

PVC Or Vinyl

$14

$19

Aluminum

$17

$27

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