there are three different way for garage foundation . o& B, P* Z8 g# C8 j2FT grade beam + piles! i. a4 N- M% p" \
5FT foundation wall + F( v- y, j* T1 [1 M8FT foundation (similar to house foundation).1 P5 u8 P+ ?2 R+ V) P% U
4 Q- |$ F7 E3 D& f# ~5 m* L) e4 }/ O
all three works. and they all have pros and cons for each though