Petco held a grand opening for its new regional HQ in the formerly empty Tammany Hall Building, where the national pet supply retailer will operate on the first two floor while the basement level will house an independently run pet hospital. The glass dome atop the landmarked building cost $50 million. Photo: BusinessWire 94 Year Old Tammany Hall Building Is Home of New Regional HQ for Petco Is Boss Tweed spinning in his grave? With balloons flying and mascots in feline and canine costumes nearby at the historic... 08 Jun 2023 | 01:08