Shane was born in Los Angeles, California to a Jewish family; he has a brother, Theo (born 1994). Haboucha attended the Torbut V'Torah School (a private Jewish school) until the seventh grade, and is now home schooled. He enjoys drawing, playing ice hockey, and has a Black Belt degree in Kempo Karate.
Haboucha was discovered by a pro scout and started acting in commercials in Texas. He became well known after his appearance in the 2003 music video for the Fountains of Wayne song, Stacy's Mom. In the video, he plays a twelve year old boy who is infatuated with the mother of Stacy, one of his female schoolmates. As a result of the video's popularity, Haboucha was cast in guest appearances on several television series, including The O.C., The Bernie Mac Show, Judging Amy, Everwood, ER, That's So Raven, CSI: Crime Scene Investigation, Law & Order and Without A Trace.
Haboucha played David Carver in the ABC television mini-series, Desperation, which aired in May 2006