Mount Somers is a suburb which lies within the Territorial Authority of Ashburton, one of 21 residential suburbs which form the wider region. Mount Somers is the 9th largest suburb of Ashburton in terms of the total number of residential housing stock. Mount Somers provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1890 - 1899. The majority of the residential housing stock in the locality was constructed between 2000 - 2009. Residential housing stock in Mount Somers is made up of approximately 48% residential housing and 51% lifestyle properties.