Shui Chuen O Estate Phase 3 is a large-scale public housing development located in Sha Tin, Hong Kong. Developed by the Hong Kong Housing Authority, it was completed in 2017 as part of the broader Shui Chuen O Estate project. The estate consists of four residential blocks, namely Mau Chuen House, Lam Chuen House, Sau Chuen House, and Chuk Chuen House, providing thousands of public rental housing units to accommodate residents in need of affordable housing.

The estate features modern residential buildings, each standing 25 to 30 stories tall, designed to maximize space efficiency while integrating with the surrounding environment. The development includes commercial facilities, recreational areas, and essential community amenities, ensuring a well-rounded living experience for residents.