Cost to Pergola / Gazebo Installation in Seattle, WA

$1,920–$15,360 in Seattle

28% above the national average · 1.28x cost multiplier

In Seattle, a pergola / gazebo installation runs $1,920 to $15,360 on average — about 28% above what homeowners pay nationwide. The West Coast market's labor costs account for most of the gap, with material pricing and local permitting fees adding to the spread. Use the cost table below to compare budget, mid-range, and premium options side by side.

Cost Breakdown in Seattle

Line Item	Low	Mid	High
Cost per sq ft	$13	$45	$96
Materials	$1,792	$3,584	$8,320
Labor	$0	$2,816	$7,040
Permits	$0	$256	$512
Total	$1,792+28% vs. national avg	$6,656+28% vs. national avg	$16,896+28% vs. national avg

Budget

10x10 prefab cedar or vinyl pergola kit - self-assembly on existing patio, no electrical or posts set in concrete

Mid-Range

12x16 professionally installed cedar or pressure-treated pergola with concrete footings, climbing plant cables, no roofing

Premium

16x20 custom cedar or composite louvered pergola with motorized louvers, integrated lighting, fans, concrete footings, and polycarbonate or metal roof panels

Material Options

Material prices below are national averages; availability in Seattle may shift costs slightly.

Material	Cost/Unit	Pros	Cons	Best For
Pressure-Treated Pine	$10 - $20 per sq ft installed	Lowest cost, widely available, structurally strong	Requires painting or staining, can warp, treated chemicals are a concern for some homeowners	Budget builds where cost is the primary factor and maintenance is acceptableLowest cost, widely available, structurally strong
Cedar	$20 - $40 per sq ft installed	Beautiful natural appearance, naturally rot-resistant, lighter than PT pine, smells great, holds paint/stain well	More expensive than PT pine, does need staining every 3-5 years to maintain color	Most homeowners who want a quality wood pergola - the best value combination of cost, looks, and durabilityBeautiful natural appearance, naturally rot-resistant, lighter than PT pine, smells great, holds paint/stain well
Vinyl / PVC	$25 - $50 per sq ft installed	Zero maintenance - never paints, stains, or rots, consistent color, durable	Less natural look, can be brittle in very cold temperatures, fewer custom profiles available	Homeowners who want a maintenance-free pergola and prefer a clean, white aestheticZero maintenance - never paints, stains, or rots, consistent color, durable
Aluminum (Powder-Coated)	$35 - $75 per sq ft installed	Very durable, lightweight, never rots or splinters, modern look, can accommodate motorized louvers	Higher cost, industrial aesthetic that may not suit all home styles	Modern and contemporary homes where a clean, low-maintenance structure is the goalVery durable, lightweight, never rots or splinters, modern look, can accommodate motorized louvers
Composite / Fiberglass	$30 - $60 per sq ft installed	Durable, low maintenance, can mimic wood grain, consistent color	Higher upfront cost, limited profile options, heavier than aluminum	Homeowners who want a wood-look pergola with minimal maintenanceDurable, low maintenance, can mimic wood grain, consistent color

Other Projects in Seattle

Full Kitchen Remodel

Full Bathroom Remodel

Composite Deck Building

Back to national average for Pergola / Gazebo Installation

Seattle Estimate

Typical Range

$1,920–$15,360

vs. National Average

28% above national

Cost Multiplier

1.28x

Cost Per sq ft

$13–$96

Estimates apply Seattle's 1.28x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.

See national average costs →