20x20 Garage Shed
- Size
- 20′ W × 20′ D
- Peak Height
- 11.5′
- Roof Style
- Garage
- Build Time
- 4-6 weekends
- Est. Material Cost
- $6,000 - $9,200
A 20x20 garage-style shed — free printable plan with material list and cut guidance.
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Description
A 20x20 garage-style shed with a full builder's plan set — elevation view, floor plan, material list, and step-by-step framing instructions. Sized at 400 square feet, it's built from standard dimensional lumber so every board is easy to source at any lumberyard.
Features
- Wide-opening entry sized for vehicle or equipment storage
- Reinforced framing for a larger clear-span structure
- Full elevation set plus top-down floor plan
What's Included
- Printable PDF plan set (17 pages)
- Elevation view and floor plan with dimensions
- Complete material list
- Step-by-step build instructions
New to shed building?
Our step-by-step guide walks through every stage — foundation, floor, walls, roof, siding, roofing and finishing.
Read: How to Build a ShedEstimated Material Cost
$8,446 – $11,924
Based on 20′×20′ footprint · Midwest avg. pricing
- Framing Lumber
- $3,588
- Roofing
- $1,846
- Siding
- $1,678
- Foundation
- $920
- Hardware
- $662
- Doors & Windows
- $782
- Paint / Stain
- $461
- Mid-range Total
- $9,937
Estimate uses mid-2026 US avg. prices. Adjust region, roofing, siding, and foundation in the full calculator.
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