A structure (10) for the rear part of a vehicle body is provided with: a rear bulkhead (24) for separating a vehicle interior (27) and a rear trunk (28); and a damper base (15) joined to the rear bulkhead (24) with a wheel well (13) therebetween. The damper base (15) is joined to the wheel well (13) to form a damper support section (18) into a bag-like shape. The damper support section (18) is connected to a rear frame (21) through the rear bulkhead (24) and is connected to the rear frame (21) through a wheel well rear corner ridge (85). The wheel well rear corner ridge (85) and the rear bulkhead (24) are formed in an inverted V shape.