Plumbquick covers the Castor Bay CBD and all Castor Bay suburbs including Manukau, Albany, Avondale, Howick, Onehunga, Glenfield, East Tamaki, Takapuna, Ellerslie, Milford, Devonport, Orewa, Whangaparaoa, Browns Bay, Remuera, Grey Lynn, Mt Wellington, and St Heliers.