311 Grant Avenue presents a rare opportunity to acquire a jewel-box commercial building in the heart of San Francisco’s iconic Union Square — one of the world’s premier destinations for shopping, tourism, and global brand presence. Located along the vibrant Grant Avenue corridor, the property offers exceptional street visibility and curb appeal, with prominent signage opportunities and premier retail frontage. Currently the longtime home of Gefen Gallery, a high-end art dealer, the building has been meticulously maintained and thoughtfully improved, reflecting a high standard of ownership. Spanning multiple levels, the property features elegant interior finishes, generous ceiling heights, and abundant natural light throughout. A modern passenger elevator services all floors, enhancing accessibility and operational flexibility. Dual ingress/egress points offer convenience and adaptability for a variety of retail, gallery, showroom, or boutique office uses. With its outstanding physical condition, architectural character, and prime location steps from world-renowned retailers, hotels, and transit, 311 Grant Avenue is ideally positioned for an owner-user, investor, or brand seeking a flagship Union Square presence.