Basic
$389 – $1,460 per project
Shed kit assembled per instructions on the prepared base, panels fastened, doors hung
Labor to assemble a customer-supplied prefab shed kit (plastic, metal or wood, up to ~10x12) on a prepared base.
Assemble a Shed in Seattle, Washington typically costs $458 to $1,718 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Seattle are 19.0% higher than the national average for assemble a shed.
National average: $400 – $1,500 per project
$389 – $1,460 per project
Shed kit assembled per instructions on the prepared base, panels fastened, doors hung
$458 – $1,717 per project
Assembly with frame squared and anchored to the base, roof panels fitted, doors adjusted, kit seams sealed
$573 – $2,147 per project
Assembly squared and anchored, all roof and wall seams sealed, doors and latches adjusted, supplied shelving fitted, packaging hauled away
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $187 – $702 | job |
| Labor | labor | $188 – $703 | job |
| Supplies & Other | supplies | $50 – $187 | job |
| Equipment & Disposal | equipment | $33 – $125 | job |
Labor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local assemble a shed contractors in Seattle for personalized quotes based on your specific project.