Blockhouse Bay is a suburb which lies within the Territorial Authority of Auckland, one of 269 residential suburbs which form the wider region. Blockhouse Bay is the 28th largest suburb of Auckland in terms of the total number of residential housing stock. Blockhouse Bay provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1890 - 1899. The majority of the residential housing stock in the locality was constructed between 1960 - 1969. Residential housing stock in Blockhouse Bay is made up of approximately 96% residential housing and 4% residential investment housing properties.