The Olson Mansion

The Olson Mansion is a wedding venue set on 44 acres in Maple Valley, WA, featuring a historic mansion, a refurbished barn, and a gathering space across three distinct buildings. The property includes a 10,500 square foot mansion built in 1906, a barn originally built in 1907 and refurbished in 2013 that holds up to 250 reception-style guests, and multiple ceremony locations offering an indoor/outdoor feel across conveniently adjacent structures. Located at 21401 244th Ave SE, Maple Valley, WA. Couples and vendors consistently note the coordinator team (particularly Penni and Adelyn), the variety of ceremony locations, natural light throughout the property, ambient string lights in the barn, sunset views over the pond, and the barn's open floor plan and acoustics for receptions.