Is there a Costco gas station in Seattle?

Yes, the Costco warehouse at 4401 4th Ave S in Seattle's SoDo neighborhood has a gas station. It is the only Costco fuel location within Seattle city limits. Additional Costco gas stations are located in nearby cities including Bellevue, Tukwila, and Issaquah.

Does the Seattle Costco sell diesel fuel?

The Costco gas station at 4401 4th Ave S in Seattle offers gasoline but does not currently sell diesel. For diesel fuel, search the CostcoDiesel map with the diesel filter enabled to find the nearest location that carries it.

Where are the nearest Costco gas stations to Seattle?

Beyond the SoDo location in Seattle itself, nearby Costco gas stations can be found in Bellevue, Tukwila, Issaquah, Lynnwood, and Federal Way. These locations are typically a 15 to 30 minute drive from downtown Seattle depending on traffic.

Costco Gas & Diesel Stations in Seattle

Seattle drivers looking to save on fuel have one Costco gas station within city limits — the SoDo warehouse at 4401 4th Ave S, conveniently located just south of downtown near the stadiums. This station offers some of the cheapest gas in the Seattle area, often undercutting nearby stations by 30 to 50 cents per gallon. With Seattle's notoriously high gas prices, the savings at Costco are especially significant.

While the SoDo location is the only Costco fuel station in Seattle proper, the broader Puget Sound region has many additional options. Costco warehouses in Bellevue, Tukwila, Issaquah, Lynnwood, and Federal Way all feature gas stations, giving Seattle-area residents plenty of choices. If you're wondering about fuel quality, Costco gasoline meets top-tier standards — the same quality benchmarks set by major automakers.

Costco Gas Station in Seattle

Location	Address	Phone	Gas	Diesel
Seattle (SoDo)	4401 4th Ave S Seattle, WA 98134	(206) 622-3136	✅ Yes	❌ No

Tip: The SoDo Costco gas station is located in a busy industrial area near T-Mobile Park and Lumen Field. Avoid game days and rush hour if possible — the line can back up significantly. Early mornings (6–7 AM) on weekdays are typically the best time for a quick fill-up.

Nearby Costco Gas Stations Around Puget Sound

If the SoDo station is too crowded or out of your way, several Costco fuel stations are within a short drive of Seattle:

Bellevue — convenient for Eastside commuters via I-405
Tukwila — near Southcenter Mall, close to I-5 and I-405
Issaquah — serves I-90 corridor and the Issaquah Plateau
Lynnwood — north of Seattle along I-5
Federal Way — south of Seattle on I-5

Finding Diesel in the Seattle Area

The Seattle SoDo Costco does not currently offer diesel fuel. However, diesel-equipped Costco stations do exist in the broader Pacific Northwest region. Diesel drivers — including those operating trucks for work or planning RV trips through Washington — should use the interactive map with the diesel filter to locate the nearest option.

If you're planning a road trip through the Pacific Northwest, check out our diesel RV road trip guide for tips on fuel planning. And if you want to compare fuel options, our analysis of Costco vs. Shell diesel is worth a read.

🔍 Find Costco Stations on the Map

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