How flat does the ground have to be to put a carport on?

To install a carport, the ground should ideally be level within a few inches to ensure proper drainage and stability. A slope of no more than 2% (or about 1/4 inch per foot) is generally recommended to avoid pooling water and ensure easy access. If the ground is uneven, grading or leveling may be necessary before installation. Additionally, local building codes may have specific requirements that should be checked.