Except for his typo, which I didn't notice until he pointed it out, Hulka's description is right on the money. Dinky townhouses densely packed with one-car garages. Recently constructed (some of Bing's oblique photography shows the complex under rapid construction).
Take a tour: http://www.youtube.com/watch?v=CVGeFAvzqyA (Uploaded Mar 28, 2010).
There is a front and a back entrance. The property is walled in. There is no gate at the front entrance (by the clubhouse), although the back entrance does have one.
You can see an annotated map here:
F is where the fatal fight occurred. D was where Martin was staying.
Good find! This is a thoughtful reconstruction, and at least a possible scenario.
Suggest posting as a thread. It may get lost here.