Check local building codes and permit requirements
Call utility locating services before digging
Measure the wall length, height, and layout
Choose the wall type and materials
Mark the wall outline with stakes and string
Excavate a trench below frost line if required
Make the trench wide enough for the base and drainage
Compact the soil at the bottom of the trench
Add a layer of crushed stone or gravel for the base
Level and compact the base material
Set the first course of blocks or stones perfectly level
Check alignment and level in all directions
Add drainage pipe behind the wall if needed
Place drainage gravel behind the wall
Backfill in layers and compact each layer
Stagger joints for each additional course
Use construction adhesive or pins if required by the system
Keep the wall slightly stepped back if designed as a setback wall
Install geogrid reinforcement for taller walls if needed
Continue building to the desired height
Cap the wall with capstones or finishing materials
Finish grading the soil to direct water away from the wall
Inspect the wall for level, alignment, and stability