One Tree Hill is a suburb which lies within the Territorial Authority of Auckland, one of 269 residential suburbs which form the wider region. One Tree Hill is the 103rd largest suburb of Auckland in terms of the total number of residential housing stock. One Tree Hill provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1910 - 1919. The majority of the residential housing stock in the locality was constructed between 1970 - 1979. Residential housing stock in One Tree Hill is made up of approximately 98% residential housing and 2% residential investment housing properties.