Cosmo 12x20 Garage Shed Plan - Modern Garage, Workshop, or Storage Building | DIY Shed Design (PDF)
$37 — instant digital download (PDF + DWG plan set with material list).
What it costs to build
Based on the plan's full material list: estimated DIY material cost $5,381; typical contractor estimate $11,232 (materials + labor + overhead). See the live material cost calculator for the line-by-line breakdown.
Launch your next backyard project with the Cosmo 12x20 Garage Shed Plan - a bold, contemporary design that combines modern simplicity with everyday function. Featuring a tall gable roof, clean vertical siding, and a smooth garage door entry, the Cosmo provides an adaptable space for parking, projects, or organized storage that looks right at home in any setting. Whether you're building a garage, hobby shop, or modern backyard workspace, the Cosmo 12x20 delivers structure, strength, and design clarity - perfect for DIY builders and professionals alike. 12x20 Gable Roof Garage Shed - Spacious layout for one car, tools, or workshop setup DIY-Friendly Construction - Clear, step-by-step building instructions for easy assembly Garage Door + Side Entry - Dual-access design for convenience and functionality Durable Modern Exterior - Vertical siding and crisp geometry create a timeless aesthetic Versatile Functionality - Ideal for a garage, home workshop, gym, or creative studio Layout & Specs: Size: 12' x 20' (240 sq. ft.) Height: ~12 ft (to gable peak) Roof Type: Traditional gable roof with vented ridge Doors: 8' wide garage door + side man door Siding: Vertical metal paneling…
What's included
- Instant download
- PDF + DWG files
- Build plans
- Material list
Specs
| Size | 12x20 ft |
|---|---|
| Type | Shed Plan |
| Format | PDF + DWG |
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Cost planning: Sheds cost guide · Browse the full plan catalog.