 Maguire suffered a swing against the Liberal Party of 5.5 points, although won the seat comfortably with 52.5 per cent of the two-party vote.In July 2018, Maguire was drawn into an inquiry by the NSW Independent Commission Against Corruption regarding possible corruption involving the former Canterbury Council, through his association with former councillor Michael Hawatt.It was alleged that Maguire had acted on behalf of a "mega big" Chinese client, asking for help in buying into development-approved projects, in return for a commission from the developer for both himself and Hawatt.