Mareretu is a suburb which lies within the Territorial Authority of Kaipara, one of 21 residential suburbs which form the wider region. Mareretu is the 18th largest suburb of Kaipara in terms of the total number of residential housing stock. Mareretu 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 1940 - 1949. Residential housing stock in Mareretu is made up of approximately 23% residential housing and 77% lifestyle properties.