Kaiapoi is a suburb which lies within the Territorial Authority of Waimakariri, one of 22 residential suburbs which form the wider region. Kaiapoi is the 2nd largest suburb of Waimakariri in terms of the total number of residential housing stock. Kaiapoi 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 2010 - 2019. Residential housing stock in Kaiapoi is made up of approximately 97% residential housing , 1% residential investment housing and 3% lifestyle properties.