YBK's Asrama Kasih Serendah is located in Mukim Serendah, Hulu Selangor. This hostel was developed in 1994 and underwent renovation in the year 2000 with land cost of RM95,625.00 and development cost of RM3,319,386.66.

The selected students who stay in this hostel come from poor family/orphan from rural areas whom attained at least 2A in the lower primary assessment examination (UPSR).

This hostel provides food and accommodation for free, together with learning guidance. With infrastructure facilities such as sports equipment, praying room, learning facilities (library, computer rooms), fardhu ain classes, school fees, exam fees, daily pocket money, and bus transportation, YBK is confident in producing quality and highly disciplined students with good life values. This hostel gives emphasis on attitude and discipline of students via Fardhu Ain and Fardu Kifayah teachings.