Costco’s guest policy is straightforward on paper but often confusing in practice. The warehouse operates on a membership-first model, meaning only paid members or their authorized guests may shop. Understanding the specific rules, limits, and exceptions helps everyone avoid awkward moments at the door and ensures a smooth shopping experience for members and visitors alike.
How Costco Defines a Guest
At Costco, a guest is any person who enters the warehouse alongside a member but does not have their own active membership. The member is responsible for the guest’s conduct and compliance with membership rules. While the policy appears generous, there are clear boundaries regarding how often a member can bring someone else and what those guests are allowed to purchase.
Primary Guest Rules and Limits
Costco enforces a strict two-guest maximum per member during any single visit. This limit applies across all membership types, including Executive memberships. Attempting to bring a third person, even if they are family, typically results in being denied entry at the membership checkpoint. Members must accompany their guests at all times while inside the warehouse.
Exceptions for Business and Household Members
Business members and households with multiple adults may encounter different scenarios. A business account holder can bring employees who require a Costco Business Card, but entry still adheres to the overall guest policy. For households, only one member needs to be present physically; other adults in the household can shop using their own card or a household designation, avoiding the guest restriction entirely.
Purchasing Limitations for Guests
Even when a guest is allowed entry, there are restrictions on what they can buy. Certain high-demand items, such as tires, batteries, and electronics, are member-exclusive and cannot be sold to non-members. If a guest attempts to buy these items, Costco staff will typically block the transaction unless the member is present and agrees to take ownership of the purchase under their membership.
Consequences of Violating the Policy
Bringing more than the allowed number of guests or attempting to shop without a valid membership can lead to being asked to leave the premises. In repeated or severe cases, Costco may suspend or terminate the member’s privileges. The company prioritizes fairness and capacity control, so enforcement is generally consistent across locations.
Tips for Members and Their Guests
Members should communicate expectations clearly with guests before arriving, especially regarding what items can be purchased. Keeping membership cards accessible and understanding checkout procedures helps avoid delays. For frequent shopper scenarios, household cards or additional memberships might be a more sustainable solution than relying on the guest policy.