Check local building codes and permit requirements
Choose the pergola location
Measure the available space
Decide the pergola size and design
Gather materials and tools
Mark the post locations
Dig post holes
Add gravel to the bottom of each hole
Set the posts in place
Make sure the posts are plumb
Pour concrete around the posts
Let the concrete cure
Cut posts to the desired height
Attach the support beams
Secure the crossbeams or rafters
Space the rafters evenly
Add decorative end cuts if desired
Install any braces or reinforcement
Sand rough edges
Stain, paint, or seal the wood
Inspect all connections and hardware
Add shade fabric, vines, or accessories if desired