12x20 Office Shed
- Size
- 12′ W × 20′ D
- Peak Height
- 8.5′
- Roof Style
- Office
- Build Time
- 3-4 weekends
- Est. Material Cost
- $3,600 - $5,500
A 12x20 backyard office shed — free printable plan with material list and cut guidance.
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Description
A 12x20 backyard office shed with a full builder's plan set — elevation view, floor plan, material list, and step-by-step framing instructions. Sized at 240 square feet, it's built from standard dimensional lumber so every board is easy to source at any lumberyard.
Features
- Window and door layout suited for a backyard studio or office
- Insulation-ready wall framing
- Compact footprint that fits most residential side yards
What's Included
- Printable PDF plan set (19 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
$5,766 – $8,141
Based on 12′×20′ footprint · Midwest avg. pricing
- Framing Lumber
- $2,153
- Roofing
- $1,107
- Siding
- $1,342
- Foundation
- $552
- Hardware
- $464
- Doors & Windows
- $782
- Paint / Stain
- $384
- Mid-range Total
- $6,784
Estimate uses mid-2026 US avg. prices. Adjust region, roofing, siding, and foundation in the full calculator.
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