Mahia is a suburb which lies within the Territorial Authority of Wairoa, one of 9 residential suburbs which form the wider region. Mahia is the 2nd largest suburb of Wairoa in terms of the total number of residential housing stock. Mahia 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 Mahia is made up of approximately 83% residential housing , 1% residential investment housing and 16% lifestyle properties.