Riverdale is a suburb which lies within the Territorial Authority of Gisborne, one of 61 residential suburbs which form the wider region. Riverdale is the 12nd largest suburb of Gisborne in terms of the total number of residential housing stock. Riverdale 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 1980 - 1989. Residential housing stock in Riverdale is made up of approximately 93% residential housing , 1% residential investment housing and 6% lifestyle properties.