Built in 1919, 158 Sterling Road is an early example of a high rise industrial building with exposed concrete structural framing and was rumored to be the tallest building in Toronto. Award-winning developer Castlepoint Numa undertook world class renovations bringing all mechanical and electrical systems into the modern era while restoring and respectingthe early-20th century heritage and integrity of the building. The Auto BLDG. mixes historical architectural features with contemporary design to meet the needs of the modern office tenant.