What is the latest time you can notify public storage that you cleared out your unit and return it to them without being charged for the next month?

It's always best to call FIRST. Its o k askn me. Mind you . I had HELPED a homeless man that MOMENT. I go alot of places. Thank you. I more so feel you make it your bidness to follow my PHONE. My HELPING PEOPLE GO A LONG WAY. BY LETTING SOME ONE USE THIS LINE. B A BLESSING. BLESSED. BLESS YOUR HEART

From what I understand it's the 4 PM on the last day of the calendar month or the last day of your contract. You need to check with the office of to make sure.