TimberTech Deck Cost in Washington
A TimberTech deck in Washington costs $54-$134/sqft installed with the state's 1.28× labor multiplier (West). TimberTech (owned by AZEK Company) makes 3 lines: Edge Prime+ (capped composite entry), Pro Legacy (premium capped composite), and AZEK Vintage/Harvest/Arbor (cellular PVC top tier). PVC lines outperform composite on heat + moisture but cost ~20-30% more. Washington labor 1.28× national. Pacific Northwest rain + moss — composite recommended over PT.
TimberTech cost by deck size in Washington
Mid-tier TimberTech (TimberTech Pro Legacy) at Washington's 1.28× labor multiplier — ~$74/sqft installed.
Cost ranges include materials + labor + standard railing. Excludes permit ($290 baseline + 1.2% of project value), demolition (if replacing), and footings for 18″ frost depth.
TimberTech product lines in Washington
TimberTech installed cost ranges from $42/sqft (Edge Prime+ on PT framing) to $105/sqft (AZEK Harvest on premium railing). The PVC lines (AZEK Vintage Mahogany / AZEK Harvest Slate Gray) command the top of the range — multiply by your state labor multiplier.
Washington-specific notes
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FAQ — TimberTech in Washington
How much does a TimberTech deck cost in Washington?▾
In Washington, TimberTech decking costs $54-$134/sqft installed (national $42-$105/sqft × Washington's 1.28× labor multiplier). A typical 16×20 (320 sqft) TimberTech deck lands around $30,080. Mid-tier TimberTech Pro Legacy runs about $23,680 for the same scope.
Which TimberTech line is best for Washington's climate?▾
Washington's Pacific Northwest rain favors capped composite or PVC over PT pine — better moisture resistance. TimberTech AZEK Vintage performs well in this environment with proper drainage gap (1/8″-3/16″ side-to-side).
What's the permit fee for a TimberTech deck in Washington?▾
Washington permit fees typically run $218-$537 depending on jurisdiction and project value — most calculators use max(regional baseline $290, 1.2% of project value). WA permits $250-400. Seattle moss + rain notes.
How deep do footings need to be for a TimberTech deck in Washington?▾
Washington's frost depth is approximately 18″. TimberTech doesn't change the footing requirement — that's IRC R403.1.4-driven by frost line. Use Sonotube 10″ for typical loads. Verify with your local building department since AHJs sometimes require deeper depths than the state-published value.
Is TimberTech worth the money in Washington?▾
TimberTech vs PT pine over 25 years in Washington: PT pine = ~$38/sqft installed + ~$3/sqft/yr maintenance (stain/seal annually) = $118/sqft total. TimberTech mid-tier = $74/sqft installed + $0 maintenance = $74/sqft total. TimberTech typically wins the 25-yr TCO comparison by 20-40%, plus better resale value.
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