Check local building codes and permit requirements
Choose the deck location, size, and shape
Mark the layout on the ground
Call utility locating services before digging
Select materials for framing, decking, fasteners, and railings
Set the footings below frost depth
Install post bases and support posts
Attach the ledger board to the house if applicable
Build and level the beam structure
Install joists and joist hangers
Add blocking as needed
Install the decking boards
Trim board ends and edges
Install stairs if required
Install railings and balusters if required
Add flashing, connectors, and hardware
Inspect for level, alignment, and secure fastening
Seal, stain, or finish the deck if desired