A garage door at Costco costs between $450 and $1,550, depending on the material and design. Another factor that will increase the price of your garage door is the size. On average, a single-car garage door costs $1,050. For two-car doors, the average cost will be $1,800, and for a three-car garage door, $2,650.

The prices of their door revolve around $500 to $1,500. All Costco members get a Costco shop Card with a 15% value for every garage door purchased.