Otaua is a suburb which lies within the Territorial Authority of Waikato, one of 67 residential suburbs which form the wider region. Otaua is the 17th largest suburb of Waikato in terms of the total number of residential housing stock. Otaua 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 Otaua is made up of approximately 9% residential housing and 91% lifestyle properties.