Cost to Shed Installation in Seattle, WA

$1,920–$10,240 in Seattle

28% above the national average · 1.28x cost multiplier

In Seattle, a shed installation runs $1,920 to $10,240 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	$19	$58	$192
Materials	$1,024	$3,200	$10,240
Labor	$640	$1,920	$6,400
Permits	$256	$384	$1,024
Total	$1,920+28% vs. national avg	$5,504+28% vs. national avg	$18,304+28% vs. national avg

Budget

8x10 ft prefab wood or metal shed kit, basic assembly on gravel base, no electrical, no foundation.

Mid-Range

12x16 ft prefab or site-built wood shed, concrete pier or gravel pad foundation, single window and door, basic shelving.

Premium

Custom 16x24 ft wood shed or barn-style structure, concrete slab foundation, electrical subpanel, insulation, windows, finished interior, matching house exterior.

Material Options

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

Material	Cost/Unit	Pros	Cons	Best For
Metal Shed Kit	$400-$1,500 (kit only)	Lowest upfront cost, fire-resistant, no wood rot, quick assembly	Dents easily, can rust without maintenance, not insulation-friendly, lower resale value	Budget storage of lawn equipment and garden tools; flat lots with simple accessLowest upfront cost, fire-resistant, no wood rot, quick assembly
Wood Prefab Kit	$800-$4,000 (kit only)	Better curb appeal than metal, more customizable, accepts paint and trim, widely available	Requires assembly time (8-24 hours), needs periodic staining or sealing, heavier to move if needed	Homeowners wanting a traditional look without the cost of custom buildBetter curb appeal than metal, more customizable, accepts paint and trim, widely available
Vinyl Shed	$1,500-$5,000 (kit only)	No rot, no rust, no painting required, resists insects and moisture, easy to clean	Limited size options (rarely above 16x20 ft), can fade and crack in extreme UV, higher upfront cost	Low-maintenance storage in humid climates; homeowners who want a set-and-forget solutionNo rot, no rust, no painting required, resists insects and moisture, easy to clean
Custom Site-Built Wood Shed	$45-$150 per sq ft installed	Fully custom dimensions and design, can match house exterior exactly, supports electrical and insulation, highest resale value	Most expensive option, requires skilled carpenter or contractor, longer build time of 1-3 weeks	Large structures, workshop or studio use, properties where aesthetics and resale value matterFully custom dimensions and design, can match house exterior exactly, supports electrical and insulation, highest resale value

Other Projects in Seattle

Full Kitchen Remodel

Full Bathroom Remodel

Composite Deck Building

Back to national average for Shed Installation

Seattle Estimate

Typical Range

$1,920–$10,240

vs. National Average

28% above national

Cost Multiplier

1.28x

Cost Per sq ft

$19–$192

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 →