 Copia is located on First Street in downtown Napa , adjacent to the Oxbow Public Market . The 12 @-@ acre ( 4 @.@ 9 ha ) property is surrounded by an <unk> of the Napa River . The two @-@ story building is 78 @,@ <unk> square feet ( 7 @,@ 305 @.@ 2 m2 ) in size , and is primarily built from polished concrete , metal , and glass . The city 's farmers ' market has been located in Copia 's parking lot since 2004 . 
