Dilworth Building, Heritage building in Auckland CBD, New Zealand

The Dilworth Building is a nine-storey building at the corner of Customs Street and Queen Street in Auckland's CBD. Designed by William Gummer and Reginald Ford, it has shops on the ground floor and residential apartments above, and is listed as a Category I historic place by Heritage New Zealand.

The Dilworth Building was built between 1925 and 1927 to designs by William Gummer and Reginald Ford, commissioned by James Dilworth as a rental property whose income funded students at the Dilworth Ulster Institute, later Dilworth School. The trust board's office occupied the ninth floor and a mezzanine, with the rest let to tenants. The Dilworth Trust sold the building in the 1980s. It housed the American consulate and served as U.S. Army headquarters during World War II.

The building's name comes from James Dilworth, whose trust built it as a rental property to fund students at the Dilworth Ulster Institute, later Dilworth School. The trust board's office occupied the ninth floor with a mezzanine, while other floors were let to tenants. Sold by the trust in the 1980s, it retains some original interiors.

The building sits in central Auckland and is easily reached on foot, with direct access to the city's shopping and business areas. Parts of the interior are publicly accessible, though residential areas remain private and can only be viewed from outside.

The Dilworth Building was built as a rental property for James Dilworth's trust, which funded students at the Dilworth Ulster Institute, later Dilworth School. The trust board kept its office on the ninth floor with a mezzanine, letting the rest to tenants. The trust sold the building in the 1980s, yet some original interiors remain.