Rai Valley is a suburb which lies within the Territorial Authority of Marlborough, one of 36 residential suburbs which form the wider region. Rai Valley is the 26th largest suburb of Marlborough in terms of the total number of residential housing stock. Rai Valley provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1880 - 1889. The majority of the residential housing stock in the locality was constructed between 2000 - 2009. Residential housing stock in Rai Valley is made up of approximately 45% residential housing , 1% residential investment housing and 54% lifestyle properties.