SENSOR INSTALLATION STRUCTURE

A sensor installation structure includes: a sensor that has a sensing portion that senses periphery information of a vehicle; an exterior member having an opening portion that exposes the sensing portion , the opening portion being configured so as to allow changes in an angle of the sensing portion; and a cover member that is provided at an outer edge portion of the sensing portion, the cover member covering a gap between the outer edge portion of the sensing portion and a peripheral edge portion of the opening portion such that the gap cannot be seen from an exterior.