Hillsborough is a suburb which lies within the Territorial Authority of New Plymouth, one of 41 residential suburbs which form the wider region. Hillsborough is the 29th largest suburb of New Plymouth in terms of the total number of residential housing stock. Hillsborough 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 2010 - 2019. Residential housing stock in Hillsborough is made up of approximately 15% residential housing and 85% lifestyle properties.