San Antonio enchilada haven Blanco Café early next year will open a massive new location steps away from City Hall. In January, the longtime mini-chain will begin serving from a 4,700 square-foot restaurant inside the historic Dalkowitz Dry Goods Building, 201 W. Commerce St., according to a filing with the Texas Department of Licensing and Regulation. Construction on the new eatery is slated to begin in October, the filing notes.