The Mansion on Delaware Avenue is Buffalo's first historic luxury hotel,established in 2001,and Buffalo's first AAA Four Diam ... ond hotel, 2003-2019. WIth signature 24-hour Butler serivce, The Mansion offers a truly unique hotel experience. Sophisticated urban weddings & corporate events feature award-winning culinary, service and presentation. Architectural Digest and New York Times featured hotel, with numerous awards including Zagat highest rating 'PERFECTION' for service, TripAdvisor Certificate of Excellence Hall of Fame, and Conde Nast Traveler Best Hotels in NY State & the Mid-Atlantic region. read more