A paintbrush holder assembly affixes a standard paintbrush to a holder that in turn engages an extension rod. The holder includes a hollow tubular shaft with a circular cross section that includes a first end, a middle portion and a second end. Three or more semi-circular fasteners attach to the middle portion of the tubular shaft via flex points. One fastener includes a lock pin to engage a locking shaft. The locking shaft has an “L” shaped lock track having a sufficient size and dimension to fit about the tubular shaft and capable of sliding from the second end to a point proximate the first end. The extension rod connects to the holder via male threads which secure to female threads located at the second end of the tubular shaft.