Mansion on Delaware Avenue

The Mansion on Delaware Avenue is a 19th-century property in downtown Buffalo, New York, designed in the Second Empire style and carefully restored as a luxury boutique hotel. The building's nearly 200 windows, soaring 15-foot ceilings, and exquisite architectural detail reflect its original grandeur, and the property has a long event history — it hosted guests during the 1901 Pan-American Exposition before falling quiet for decades. After a comprehensive restoration, it reopened as a hotel in 2001. Today the Mansion hosts weddings, corporate retreats, executive gatherings, and social celebrations across six event spaces spread across four floors. Events are staffed by an award-winning team of butlers and an in-house catering team specializing in seasonal, locally-sourced menus. The venue accommodates up to 180 guests, and a full hotel buyout provides exclusive access to all event spaces, 28 guest rooms, and the surrounding gardens for a progressive, one-of-a-kind celebration.