Valencia Fulfillment Inc. has taken an additional 20,000 square feet in Valencia, according to Realty Advisory Group Inc. The marketing and warehousing company has signed a lease for 20,300 square feet at the Valencia Commerce Center at 28608 Hasley Canyon Road. The roughly 44,000-square-foot building has 30-foot clear height ceilings, dock-high loading and ground-level loading doors and a high-performance sprinkler system, according to Realty Advisory. Valencia currently leases nearly 11,000 square feet next door, the brokerage firm said. Valencia Commerce Center recently finished its second phase of construction by developer Avalon Investment Co., Realty Advisory said. Valencia Fulfillment is expected to move in next month. Jim Ebanks and Lauren Hunt of Realty Advisory represented both parties in the transaction.