Costco 33961 Doheny Park Rd, San Juan Capistrano, CA92675 To say that Costco sells everything would not be an exaggeration. This international warehouse style of shopping has…More made Costco a popular stop for area shoppers. You must pay a yearly membership fee to become a registered shopper at a Costco. It is not open to the public. It buys in bulk and then passes the savings down to the members. The only argument by some is that you're forced to buy large quantities of items. Some of the warehouse offerings include one-hour photo/digital prints developing, APS processing, an auto buying program, bakery, business delivery, EV station, executive membership and a food court. It has a deli, meat department, optical services, tires and an in-house travel agency.