there are three different way for garage foundation. ~5 U5 W# \& F! a
2FT grade beam + piles: B6 Y' ]7 l$ k! B/ B$ X
5FT foundation wall 4 P7 |' l" H0 \( w/ }) F( V8FT foundation (similar to house foundation).7 Z# u+ \3 L! l/ N, [
6 b7 n: \4 K. [4 n) C; n
all three works. and they all have pros and cons for each though