A drain strainer assembly includes a housing having a circular cross-section, with an inlet port, an outlet port, and a plurality of first engagement tabs. The drain strainer assembly also includes a strainer member assembly having a circular cross-section. The strainer member assembly includes a strainer member with a solid front surface having a handle and a plurality of second engagement tabs interlocked with the first engagement tabs on the housing. The strainer member also includes cylindrical strainer sidewalls defining a circular opening at the back of the strainer member, and has an upper conduit aligned with the inlet port of the housing. The strainer member assembly also includes a circular strainer disk coupled to the strainer member with a fastener and covering the circular opening at the back of the strainer member.