Costco Distribution Center
4000A 142nd Ave E, Sumner, WA 98390
Operator: Costco
Facility info
Appointments required; strict adherence enforced—no early arrivals allowed (turned away 30–60 min early repeatedly). Rescheduling penalties if late. Check-in process straightforward: security review, get door assignment via pager/buzzer. Queue delays during peak hours (4–8 AM chaos reported). Unload times highly variable—15–120 minutes. Many fast runs (20–60 min), but also multi-hour waits with no clear pattern. Drop and hook operation. Live load unloading by Costco staff. No overnight parking on-site. Staging area available day-of only (2-hour window before appointment max). Nearby paid lots: Shell truck stop ~1 mile away ($28/24hrs), other options 30+ min drive. Bathrooms available but inconvenient/poorly marked (plastic toilets in corner of parking lot). Staff reportedly hostile about restroom access. Yard large and easy to maneuver; well-organized dock layout. Heavy morning congestion (50+ trucks common). Staff attitude mixed: many friendly/professional; some instances of rudeness, disrespect, and aggressive gate enforcement. Security booth staff noted as helpful. Safety: Security check mandatory. One report of new policy confusion (door closure procedures). Poor instructions for first-time drivers documented.
Driver reviews
Always 20-30 minutes long wait time to check in
Fire that yasmin woman.
Awesome place to deliver
Docktime — driver reviews and facility info.