A freestanding domestic appliance includes at least one mounting aid which has at least two functional parts arranged on its front side, wherein a first functional part is configured as a hose holder, wherein a second functional part is configured as an upwardly open hook for mounting additional parts and is arranged at a height below the first functional part. A fastening contour is provided on the backside of the mounting aid for holding the mounting aid on the domestic appliance, and is arranged at a height above the first functional part and on a fastening leg which extends in the opposite direction of the at least two functional parts. A height stop is provided at least on the topside of the fastening leg for preventing an insertion of the freestanding domestic appliance into an installation niche without prior removal of the mounting aid from the freestanding domestic appliance.