Seattle is home to several Costco stores, serving the community with a wide range of products and services. Whether you’re looking for groceries, electronics, gas, optical services, or even car washes, you can find everything at Costco. In this guide, we’ll cover the hours of operation for various Costco services in Seattle, including the main store, gas station, pharmacy, optical center, holiday hours, and more.
Whether you’re planning a shopping trip, need to fill up your gas tank, or require a prescription from the pharmacy, knowing the hours of operation is essential. Below, you’ll find detailed tables with the operating hours for the different services at Seattle’s Costco locations.
Costco Hours – 4th Ave, Seattle
| Service | Days | Opening Hours | Closing Hours |
| Main Store | Monday – Friday | 10:00 AM | 8:30 PM |
| Saturday | 9:30 AM | 6:00 PM | |
| Sunday | 10:00 AM | 6:00 PM |
Costco Gas Hours – Seattle
| Location | Days | Opening Hours | Closing Hours |
| 4th Ave | Monday – Friday | 6:00 AM | 9:30 PM |
| Saturday | 7:00 AM | 7:00 PM | |
| Sunday | 7:00 AM | 7:00 PM |
Costco Optical Hours – Seattle
| Service | Days | Opening Hours | Closing Hours |
| Optical | Monday – Friday | 10:00 AM | 8:30 PM |
| Saturday | 9:30 AM | 6:00 PM | |
| Sunday | 10:00 AM | 6:00 PM |
Costco Pharmacy Hours – Seattle
| Service | Days | Opening Hours | Closing Hours |
| Pharmacy | Monday – Friday | 10:00 AM | 7:00 PM |
| Saturday | 9:30 AM | 6:00 PM | |
| Sunday | Closed | Closed |
Costco Car Wash Hours – Seattle
| Service | Days | Opening Hours | Closing Hours |
| Car Wash | Monday – Sunday | 7:00 AM | 7:00 PM |
Costco Hours – West Seattle
| Service | Days | Opening Hours | Closing Hours |
| Main Store | Monday – Friday | 10:00 AM | 8:30 PM |
| Saturday | 9:30 AM | 6:00 PM | |
| Sunday | 10:00 AM | 6:00 PM |
Costco Hours – South Seattle
| Service | Days | Opening Hours | Closing Hours |
| Main Store | Monday – Friday | 10:00 AM | 8:30 PM |
| Saturday | 9:30 AM | 6:00 PM | |
| Sunday | 10:00 AM | 6:00 PM |
Costco Holiday Hours – Seattle
| Holiday | Date | Opening Hours | Closing Hours |
| Thanksgiving Day | November 28th | Closed | Closed |
| Christmas Day | December 25th | Closed | Closed |
| New Year’s Day | January 1st | Closed | Closed |
| Memorial Day | May 27th | 9:00 AM | 6:00 PM |
| Independence Day | July 4th | Closed | Closed |
Costco Seattle Location
| Location | Address | Phone Number |
| Costco – 4th Ave | 4401 4th Ave S, Seattle, WA 98134 | (206) 622-3136 |
Costco Hours Seattle directions
| Location | Address | Directions | Estimated Travel Time |
| Costco – 4th Ave | 4401 4th Ave S, Seattle, WA 98134 | From Downtown Seattle: Head south on 4th Ave S. Continue straight, Costco will be on the left. | 5-10 minutes |
| Costco – West Seattle | 3000 SW 344th St, Federal Way, WA 98023 | From West Seattle: Take the West Seattle Bridge to I-5 S, take exit 142B to S 348th St, and turn right onto SW 344th St. | 25-30 minutes |
| Costco – South Seattle | 4401 4th Ave S, Seattle, WA 98134 | From South Seattle: Take I-5 N, take exit 164B for 4th Ave S, follow 4th Ave S to Costco. | 10-15 minutes |
| Costco – SODO | 4401 4th Ave S, Seattle, WA 98134 | From Seattle Waterfront: Take Alaskan Way to 4th Ave S, follow 4th Ave S to Costco. | 10-15 minutes |
Conclusion
Seattle residents have easy access to Costco’s extensive range of services across multiple locations, including gas stations, pharmacies, optical services, and car washes. Knowing the specific operating hours ensures you make the most of your visits without any inconvenience. Whether you’re in downtown Seattle or heading to the west or south parts of the city, this guide helps you plan your visit effectively.