Tahunanui is a suburb which lies within the Territorial Authority of Nelson, one of 30 residential suburbs which form the wider region. Tahunanui is the 3rd largest suburb of Nelson in terms of the total number of residential housing stock. Tahunanui 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 1970 - 1979. Residential housing stock in Tahunanui is made up of approximately 96% residential housing and 4% residential investment housing properties.