Choose a flat or gently sloped area with good sunlight
Measure and mark the putting green size and shape
Remove grass, roots, rocks, and debris from the area
Excavate the site to the needed depth
Install drainage pipes or a drainage layer if needed
Grade the base for proper water runoff
Add and compact a gravel base
Add a layer of sand or fine soil mix
Shape the surface to create smooth contours
Install edging around the perimeter
Lay synthetic turf or prepare natural grass seed/sod
Secure the turf or establish the grass evenly
Add holes and cup liners
Install flags or markers
Water and maintain the surface regularly
Mow, roll, or brush the green as needed
Repair low spots, seams, or damaged areas promptly