... Underground World Home Inc.

 ... gotta have a nice shelter/home bar to lean on as 'the last man on Earth'. Toss back a few triple Martinis and then break the glass on your reflection in the mirror. or whichever movie scene you prefer!

... an advantage of a bunker in the Las-Vegas area would be a lack of ground water problems. Most deactivated shelters turn into mossy, slimy half-flooded caves within a few years.

... these few shots seem to be from the early 'archeological period' of the repossession.
When the real-estate agents were wandering around with flashlights saying 'holy-shit' over and over.