You may submit a payment online by going to www.carmazzirealestate.managebuilding.com using the Tenant portal to log in or via the Tenant Sign In button at the bottom of this page. You can also send payment by mail to: PO Box 221610, Sacramento, CA, 95822. Rent is due the first day of each month, no matter which day the first lands on. There is a three day grace period in which you may pay rent. Late fees are assessed after the 4th day of each month.