 640 Money News at 10 and 40 brought to you by PenFed. Great rates for everyone. A Costco membership will soon cost you more. The warehouse chain is raising membership fees for the first time in seven years starting September 1st. The yearly cost of a basic Gold Star membership will go from $60 to $65. The cost of a premium executive membership will jump from $120 a year to $130. Shoppers hunting for deals have made Costco even more popular recently.