Cornwallis is a suburb which lies within the Territorial Authority of Auckland, one of 269 residential suburbs which form the wider region. Cornwallis is the 254th largest suburb of Auckland in terms of the total number of residential housing stock. Cornwallis provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1920 - 1929. The majority of the residential housing stock in the locality was constructed between 1940 - 1949. Residential housing stock in Cornwallis is made up of approximately 94% residential housing and 6% residential investment housing properties.