A multifunctional receptacle for use on a step ladder includes a base member having a bottom side with a recessed surface to complementary receive a step surface of the ladder in a manner to prevent at least one degree of movement therebetween when the base member is disposed on the step. The receptacle includes at least one side member, preferably opposing side members, extending upward from the bottom side forming a storage compartment. The storage member can include a substantially rectangular storage compartment, and a substantially circular storage compartment. The receptacle can also include a hook for retaining a conventional roller paint tray.