Crude oil futures gained after the U.S. Energy Department reported an unexpected decline in inventories.

Supplies dropped 4.73 million barrels to 332.9 million last week, the Energy Department said today. Inventories were forecast to gain 2 million barrels, according to the median of 13 analyst estimates in a Bloomberg News survey.

Crude oil for November delivery rose to $89.5 on the New York Mercantile Exchange, topped a prior session high of $89.38.

Futures also rose after builders began work on more U.S. homes than forecast in September on rising demand for apartments and condominiums as more Americans become renters.