Tucker Sadler Architects, Inc. in downtown San Diego's Middletown district has operated from Hancock Street since the firm's 1957 founding by Tom Tucker and Hal Sadler. The San Diego New Main Library — a joint venture with Rob Wellington Quigley FAIA — paired Tucker Sadler's large-scale project management with Quigley's design vision on one of the city's most visible civic buildings. The portfolio spans the Rady Shell at Jacobs Park, which received an AIA San Diego Honor Award for Design Excellence, and the San Diego Convention Center expansion that anchors the Marina District waterfront. Recent historic-preservation work on the 1946 Lafayette Hotel earned a 2025 American Architecture award from the Chicago Athenaeum, a restoration scope coordinated with structural and MEP trades at the level of general contractors like Harper Construction Co. on Harbor Drive. The firm's Carte' Hotel and Portside Pier projects extend the practice into hospitality and waterfront dining structures engineered against San Diego Bay's salt-air and tidal-load conditions.