The development areas covered by West Development Office (WDO) include Tin Shui Wai, Yuen Long, Hung Shui Kiu, Tuen Mun, Tsuen Wan, Kwai Chung and Tsing Yi in the west of New Territories.

Current major projects undertaken by WDO include Cycle Tracks connecting North West New Territories with North East New Territories, Development of Lok Ma Chau Loop, Hung Shui Kiu/Ha Tsuen New Development Area and Housing Developments at Yuen Long South and Kam Tin South.