Wairau Valley is a suburb which lies within the Territorial Authority of Auckland, one of 269 residential suburbs which form the wider region. Wairau Valley is the 252nd largest suburb of Auckland in terms of the total number of residential housing stock. Wairau Valley provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1950 - 1959. The majority of the residential housing stock in the locality was constructed between 1970 - 1979. Residential housing stock in Wairau Valley is made up of approximately 95% residential housing and 5% residential investment housing properties.