This building is also known as Old City Hall, because it doesn´t serve to official purposes anymore. It has a Greek-style facade.
Tulsa Preservation Commision website http://www.tulsapreservationcommission.org/nationalregister/buildings/index.pl?id=47
Address 124 E 4th St Tulsa, OK 74103, USA
Coordinates 36°9'12.301" N -95°59'18.344" E