To provide a kitchen counter unit easy to use by opening space forward and sideward under the counter unit.

A mounting member 4 of a generally sideward T-shape projecting a longitudinal piece 2 for upper fixing and a longitudinal piece 3 for lower fixing up and down respectively from a back edge of a side piece 1. The longitudinal piece 2 for upper fixing and the longitudinal piece 3 for lower fixing of the mounting member 4 are respectively adhered to a wall surface 6 by adhesive tools. A counter unit 10 for kitchen is supported in respect that a side edge of the counter unit 10 for kitchen providing with a sink 7, a heating cooker 8 and the like is adhered to the side piece 1 of the mounting member 4. Space 15 open forward and sideward under the counter unit 10 for kitchen is formed in respect that a wheel chair can come therein.