The Headquarters complex comprises several buildings, including May House, Arsenal House (including main building, East and West Wing) and Caine House. Arsenal House became a skyscraper located in the Wanchai district of Hong Kong.
Facilities include 200-seat multi-use hall, 300-seat lecture theatre and an indoor shooting range. Police Licences Office, Crime Prevention Bureau Exhibition, Media Conference Room and Police Recruitment Division Conversation Room locate at lower block of the Arsenal House. Lower block is also the office of Wan Chai Division Police Station. The East and West Wing are used as office by the other police units. The Caine House are re-planned for Hong Kong Island Regional Headquarters and Hong Kong Island Emergency Unit Headquarters.