Thank you to Tara for sharing her dairy-free love of PizzaRev with us on Facebook:
The regular crust and gluten free crust are dairy free. The gluten free crust comes prepackaged on a tray so they suggest ordering that crust if dairy allergy to avoid cross contamination even more. My dairy ANA ate there safely!
They also offer vegan sausage on the menu and denote which items contain gluten. But to clarify which toppings and sauces are dairy-free, you will need to check with the staff. The pizza pictured below is vegan, according to their Facebook.
PizzaRev has numerous locations in Southern California, but they seem to be expanding rather randomly into towns across the U.S. See their website for current and future locations.