Check local building codes, permits, and property line setbacks
Choose the shed size, style, and location
Mark the shed footprint on level ground
Clear the site of grass, rocks, and debris
Level the ground and prepare a stable base
Build a foundation using gravel, concrete blocks, skids, or a slab
Cut and assemble the floor frame
Install floor joists and subfloor decking
Build the wall frames on a flat surface
Raise and secure the walls to the floor
Add wall sheathing and wrap if needed
Frame the door opening and any windows
Build and install the roof rafters or trusses
Install roof sheathing
Add roofing underlayment and roofing material
Install exterior siding or wall cladding
Install doors, windows, and trim
Add vents for airflow
Insulate and finish the interior if desired
Paint, stain, or seal the exterior
Install shelves, hooks, and storage features
Inspect all fasteners, joints, and weatherproofing