First time seeing duck eggs at Costco. They are from Fulton Valley Farms in Sanger CA. Features of the duck eggs: – Cage Free – No Antibiotics – No Preservatives – No Added Hormones – Product of USA The Fulton Valley Farms Duck Eggs are priced at $8.49 for a dozen.  Item number 879198. Inventory and … Continue reading Fulton Valley Farms Duck Eggs