Rosewill is a suburb which lies within the Territorial Authority of Timaru, one of 24 residential suburbs which form the wider region. Rosewill is the 22nd largest suburb of Timaru in terms of the total number of residential housing stock. Rosewill provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1900 - 1909. The majority of the residential housing stock in the locality was constructed between 2010 - 2019. Residential housing stock in Rosewill is made up of approximately 2% residential housing and 98% lifestyle properties.