North Rocks is a suburb of Sydney, in the state of New South Wales, Australia, located 26 kilometres north-west of the Sydney central business district. Following the amalgamation of council areas in 2016, the majority of North Rocks falls into the council area of the City of Parramatta. Streets north of the M2 Hills Motorway are within The Hills Shire. The residents have given the suburb a livability rating of 94% on real estate.