Fortune | Houston, We Have a Problem: The Oil Rout Hits Texas Fortune In River Oaks, a neighborhood of palatial mansions and lush gardens, the average sales price of a home has tumbled to $1.3 million from $2 million in the middle of 2014 when oil began its more than 70% slide, according to data from the Houston ... Mansion sales and discount dining: oil rout hits Houston's rich |