510 Sterling Ave. (currently Hwy. 225) – Pasadena TX (designed 1955; architect: Herb Greene, Joseph Krakower)
This building doesn’t match the rendering but you can still see the floating staircase that is now enclosed and flipped. It is currently home to Du-West Foundation Repair.
Rendering by Bob Bowlby/Herb Greene. Image provided by Ralph Beuc.
H/T to Ben Hill for lead.
Images from 12/2014: