If you are still looking for roommates... you might wanna contact these people.-  Nepalese Student Association (NSA) of University of Nevada, Reno . they may have some idea about carson city who knows.

here is the web site

http://www.unr.nevada.edu/~nsa/index.htm

i think these guys are active cuz their website was last updated on sept. 3 2009. their email address is nsa@unr.nevada.edu

hope this help