Kai Iwi is a suburb which lies within the Territorial Authority of Wanganui, one of 28 residential suburbs which form the wider region. Kai Iwi is the 15th largest suburb of Wanganui in terms of the total number of residential housing stock. Kai Iwi provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1880 - 1889. The majority of the residential housing stock in the locality was constructed between 2000 - 2009. Residential housing stock in Kai Iwi is made up of approximately 51% residential housing , 2% residential investment housing and 46% lifestyle properties.