5. Palo Alto, Calif.
Average list price: $1,495,364
This four-bedroom, two-bathroom home is listed at $1,448,000. Though it's below the average list price, a 30-year fixed-rate mortgage would still cost you more than $6,900 per month with 20 percent down. For that money you get a "Green" home with a two-car attached garage, large living room and modestly finished kitchens and baths.