I created the look of the estate. I painted the estate background and three of the levels: 11, 10, and (I think) 7. I painted the beach barren so that waves could be animated over it. Jason Courtney designed the buildings themselves... he was switched to another team mid-project and I took over where he left off.
And here are the color comps I painted for the estate:
And here's the final color comp, which is a composite of two of the above: