Enquiry Hotline For the General Public, Contractors, Service Providers and Suppliers, Business Related Issues: 2129 3399 For HKHA users, Consultants appointed as Contract managers and Government department users, Business Related Issues: 2129 3399 Enquiry E-mail comis.enquiry@housingauthority.gov.hk Request for Information/Records For the general public, please visit Code on Access to Information of the Hong Kong Housing Authority and Housing Department website. Complaint E-mail