IN 2006, Zip code 77005 (West University - West U Area) is the most expensive Zip code in the Houston Area. according to a study of home sales by Crawford Realty Advisors and the University of Houston's Institute for Regional Forecasting. The median price was $232.32 in 2006, meaning a 2,400-square-foot house would run $557,568.The larger neighborhoods in 77005 include Southampton Place, Collegeview, Sunset Terrace, Monticello and West U. While River Oaks is considered Houston's most luxury subdivision, but the Zip code 77019 is not the pricest per square foot.West Univeristy is a city with it own Police and fire department inside of City of Houston.  Custon Builders have been buying thelots in West U for top dollars- upwards of $90 per square foot - and putting up mini-mansions for buy... 05/03/2007