Council's Building Services Department administers and enforces building control functions under various Regulations and Acts, to ensure buildings in Hobsons Bay meet building and safety standards for owners, occupiers and the general public.

The department also provides various services such as taking of building permit applications and issuing building permits within Hobsons Bay, statutory building control functions regarding complaints, copies of building plans, permits and certificates, advice on building matters. The department also provide publications and pamphlets on various building matters.