This office is the headquarters of Maryland Lottery and Gaming. Lottery administration and large prize claims are handled here. Casino program administration, gaming license renewal and voluntary exclusion enrollment are also handled by this office. Office hours are 8:30 AM to 5:00 PM. Claim hours are listed in this profile. However Lottery claims are by appointment only. If you'd like to make a Lottery claim, please start by scheduling your appointment by visiting the mdlottery (dot) com 'how to claim' page or by calling 410-230-8730.