The Bill and Melinda Gates Foundation headquarters is located at 440 5th Avenue North. The Visitors Center is open Tuesday to Saturday 10am-6pm with slight adjustments over holidays.
Admission and 60- or 90-minute regular public tours—with advance reservations—are free.
Paid parking is available in the neighboring 5th Avenue Garage. The Seattle Center Monorail connects the area to downtown as do Metro buses 3 and 4.