Castlepoint is a suburb which lies within the Territorial Authority of Masterton, one of 23 residential suburbs which form the wider region. Castlepoint is the 6th largest suburb of Masterton in terms of the total number of residential housing stock. Castlepoint 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 2000 - 2009. Residential housing stock in Castlepoint is made up of approximately 97% residential housing , 2% residential investment housing and 1% lifestyle properties.