13215 Riviera Ranch Road

This is the house Diane Keaton built. She bought the Sullivan Canyon lot in 2011 and completed the 9,200-square-foot home in 2015 with architect David Takacs, working from her own vision of reclaimed brick, black steel, and factory windows, then documented the build in her Rizzoli book The House That Pinterest Built.

Five bedrooms and eight baths across soaring public rooms that open wide to the outdoors, with a separate guest house, in the gated equestrian enclave of Riviera Ranch. Keaton, a lifelong preservationist and design author, kept it until her passing in 2025; the house comes to market through Josh Flagg at Compass.