Are you ready to build something GIGANTIC? Submit the T-REX Membership Prospect Form to begin your construction!

Prospect Form


T-REX hosts weekly tours! If you would like to attend a tour we do them every Wednesday at 3 p.m., no RSVP needed! Meet on the 5th Floor. Also please check out this pdf describing membership.

Contact T-REX

Getting to T-REX

T-REX is located in the Lammert Building, at 911 Washington Ave in downtown St. Louis. Enter through the lobby and take the elevators to the 5th floor. Car: Parking is available along Washington Avenue and short term parking is available on the 10th St. side of the building. MetroLink: 8th & Pine and Convention Center stops are just blocks away. Bus: The 99 (Downtown Trolley) and 30 lines run along Washington Avenue. Bike: Bikes are welcome at T-REX. We have a free storage area for bikes in our locker room located off of the 5th floor co-working space. 911 Washington Ave St. Louis, MO 63101 314-241-7500