Pirinoa is a suburb which lies within the Territorial Authority of South Wairarapa, one of 9 residential suburbs which form the wider region. Pirinoa is the 5th largest suburb of South Wairarapa in terms of the total number of residential housing stock. Pirinoa 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 1960 - 1969. Residential housing stock in Pirinoa is made up of approximately 54% residential housing , 2% residential investment housing and 44% lifestyle properties.