The State Department lists official times: http://travel.state.gov/passport/pro...sing_1740.html of 4-6 weeks along with expedited service of 2-3 weeks (door to door). However, if you need it even quicker there are visa expediter services (e.g. visahq.com, visaexpress.net,...) that, for a fee, renew a passport in just a few business days.