Regional Joint Office (Hong Kong), Regional Joint Office (Kowloon), Regional Joint Office (New Territories West) and Regional Joint Office (New Territories East) came into full operation to handle reports on water seepage in buildings on 7 January 2020, 29 June 2020, 15 October 2020 and 20 December 2021 respectively.

Regional Joint Office (Hong Kong)
9/F, The Hub, 23 Yip Kan Street, Wong Chuk Hang, Hong Kong

Regional Joint Office (Kowloon)
Suite 7B-10A, 21/F, Skyline Tower, 39 Wang Kwong Road, Kowloon Bay, Kowloon

Regional Joint Office (New Territories West)
26/F, The Octagon, 6 Sha Tsui Road, Tsuen Wan, New Territories

Regional Joint Office (New Territories East)
Units 2101-2103 & 2111-2121, 21/F, Tower 2, Grand Central Plaza,
138 Sha Tin Rural Committee Road, Sha Tin, New Territories