There is provided a tool storage assembly. The assembly includes a plurality of modular bases. The bases are selectively connectable together at peripheral side portions thereof. The assembly includes a plurality of retaining members coupled to the bases. The assembly includes a plurality of actuators each associated with a respective ones of the retaining members. Selective actuation of selective ones of the actuators releases corresponding selective ones of the retaining members. Remaining ones of the retaining members form a plurality of customized storage receptacles thereafter.