Plimmerton is a suburb which lies within the Territorial Authority of Porirua, one of 19 residential suburbs which form the wider region. Plimmerton is the 8th largest suburb of Porirua in terms of the total number of residential housing stock. Plimmerton 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 Plimmerton is made up of approximately 93% residential housing , 4% residential investment housing and 3% lifestyle properties.