The Chron sums up the demand. Energy related development is staggering, and it accounted for 64% of all new leases.
Report explores global energy impact on real estate
"...The energy industry accounted for 64 percent of the square footage leased in Houston in 2013.
West Houston submarkets saw the most dramatic increases in office space demand, with vacancies dropping below 1 percent in some areas.
Rents hit a new high of $35.52 per square foot per year in the fourth quarter of 2013.
Last year, 3.9 million square feet of new space opened, including 2 million square feet in west Houston. Sixty percent of it was preleased, primarily to energy firms.
As of the end of last year, 14.2 million square feet of space was under way, of which 6.3 million square feet was in west Houston.
Some of the new space includes a 3 million-square-foot campus for Exxon Mobile Corp., a 1.2-million square-foot project for Phillips 66; 620,000 square feet in two buildings for Shell; and a 450,000-square-foot building preleased by Technip...."