Birkdale is a suburb which lies within the Territorial Authority of Auckland, one of 269 residential suburbs which form the wider region. Birkdale is the 55th largest suburb of Auckland in terms of the total number of residential housing stock. Birkdale provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1900 - 1909. The majority of the residential housing stock in the locality was constructed between 1960 - 1969. Residential housing stock in Birkdale is made up of approximately 95% residential housing and 5% residential investment housing properties.