Kirkland, WA Costco Warehouse- costco kirkland живх 4 144 хэмжээтэй ,Shop Costco's Kirkland, WA location for electronics, groceries, small appliances, and more. Find quality brand-name products at warehouse prices.The 8 Kirkland Signature Things We Always Buy at CostcoMar 06, 2020·Kirkland Signature Brand. Speaking of quality, Consumer Reports places Costco's private-label products as sixth overall in the nation (the list tops with Wegmans and Trader Joe's). These off-brand items are not only tasty and delicious, but they have a high quality that stands up to their more expensive counterparts.