About 30 percent of the listings at Warehouse 11, the Karl Fischer-designed development at 214 North 11th Street in W’burg, are spoken for and they’ve been averaging about 20 open house visitors on recent Sundays. Still, prices on a few of the units needed some tweaking recently: five apartments received trims of around 5% last week, not much given the market. Next step: The Temporary Certificate of Occupancy is expected shortly. GMAP