John C. Kluczynski Federal Building & US Post Office, Loop Station

Exterior night shot of red-orange Calder Flamingo sculpture with Kluczynski Federal Building behind on right and Dirksen U.S. Courthouse on left
Icon with location pin and buildings under a dotted half circle

Plan your visit


1974 with design by Ludwig Mies van der Rohe


7 a.m.–6 p.m. weekdays, except federal holidays

Visitor parking

Several public parking garages nearby metered street parking south of the building

Security and access

Visitors use east entrance or south ADA accessible entrance. All visitors are required to clear airport-style security and comply with rules and regulations governing conduct on federal property [PDF - 352 KB].

Where to eat

  • Snack shop on Floor 2
  • Vending machines on floors 2 and 29

Things to do

Public wi-fi

GSA-Guest: contact GSA for password

Tenant icon with key floating above a hand

For our tenants

Last Reviewed: 2022-12-16