There is a Himachal Tourism Guest House at Kaza. One can stay in government rest houses PWD / Forest / Irrigation departments at various pother places, but advance booking is a must.It is hard to find room in summers due to tourist rush. Booking information is available on Himachal tourism government web-site. In winter all hotels are closed , so only option is PWD rest house,which is usually without any guest in winters. PWD rest house is cheap but chances are slim to none of getting a room there in summers, unless you are some bureaucrat.
There are several private hotels in Kaza. One of the more comfortable places is Mandala Hotel behind the taxi stand, charging 500 Rs for a large double with ensuite bathroom summer 2008 price.