This is my go to place for gluten free pizza! I am not sure if I am celiac but am very sensitive at least and have not had an issue any time I have ordered from them. Their crust is light and not tough cracker like as gluten free crusts can be.
Windy City is one of my favorite pizza places. They offer a thin crust gluten free pizza which is pretty good. They also offer some great bbq meats. The only problem with this place is that in the last 2 out of 3 times I have come here, they were out of gluten free crust. So my best advice to you is to call ahead!
If you want a gluten-free pizza, call ahead of time to make sure they have some