 now costco bargain hunters are going to have to pay a little bit more an additional five to ten dollars annually as the popular warehouse chain prepares to raise its membership fees for the first time in seven years the issaquah washington company disclosed the forthcoming eight percent increase in the fee to gain entry in its more than 700 warehouses in the u.s and canada as part of a monthly sales report wednesday the new fee set to take effect september 1st will boost the price of costco's basic gold star membership from 60 to 65 annually