181-187 Hay Street, also known as the Corporation Building or Municipal Building, is a heritage-listed former council chambers located at 181-187 Hay Street, in the Haymarket district of Sydney, Australia. It was built from 1893. The property is owned by City of Sydney and was added to the New South Wales State Heritage Register on 2 April 1999. The building is home to the 4A Centre for Contemporary Asian Art.