Costco Tukwila Gas Prices – Costco Dr Also known as Costco Southcenter
- Regular · today
- $4.899
- Premium · today
- $5.569
- Diesel · today
- $6.999▲ +$0.200
USD per gallon · Last updated October 31, 2026
400 Costco Dr Ste 150, Tukwila, WA 98188-4808 · Open in Maps ↗
30-day range
where today sits- Regular$4.899 today · avg $5.255$4.899 low$5.499 high
- Premium$5.569 today · avg $5.838$5.569 low$5.999 high
- Diesel$6.999 today · avg $7.184$6.799 low$7.299 high
Price history at Tukwila
Last 30 days · USD per gallonRegular: $5.399 on Oct 2 to $4.899 on Oct 31, low $4.899, high $5.499. Premium: $5.999 on Oct 2 to $5.569 on Oct 31, low $5.569, high $5.999. Diesel: $7.249 on Oct 2 to $6.999 on Oct 31, low $6.799, high $7.299.
Last updated October 31, 2026. Prices are collected once daily and can lag same-day changes at the pump.
Today’s price in context
At $4.899 for Regular, Tukwila is tied for the 4th most expensive of 34 Costco gas stations in Washington today, $0.219 above the Washington average of $4.680.
Federal Way, 11.4 mi away, is $0.300 cheaper.
- vs the US average
- $0.624 above, at $4.275
- Premium over Regular
- $0.670 — the Washington median is $0.600
- Regular over the last 30 days
- down $0.500
- Days the price changed
- 10 of 30 reported days
- Latest day at the 30-day low
- today, at $4.899
- 15-gallon fill
- $73.48 — the cheapest it has been in 30 days
- Nearest cheaper station
- Federal Way — 11.4 mi
Tukwila is located at 400 Costco Dr Ste 150, Tukwila, WA 98188-4808, in Washington. Drivers also call it Costco Southcenter. The gas station sits in the warehouse parking lot and is open to Costco members, selling Regular, Premium and Diesel. Gas station hours are 6 a.m. – 10 p.m. on weekdays, 6 a.m. – 8:30 p.m. on Saturdays and 6 a.m. – 7:30 p.m. on Sundays, in local time.
Station details
Tukwila Gas station hours
- Mon–Fri
- 6 a.m. – 10 p.m.
- Saturday
- 6 a.m. – 8:30 p.m.
- Sunday
- 6 a.m. – 7:30 p.m.
Tukwila Warehouse hours
- Mon–Fri
- 10 a.m. – 8:30 p.m.
- Saturday
- 9:30 a.m. – 7 p.m.
- Sunday
- 10 a.m. – 6 p.m.
Cities near Tukwila
- Costco gas prices Covington · WA · 9 mi$4.899
- Costco gas prices Seattle · WA · 9 mi$4.959
- Costco gas prices Federal Way · WA · 11 mi$4.599
- Costco gas prices Issaquah · WA · 12 mi$4.899
- Costco gas prices Kirkland · WA · 17 mi$4.899
- Costco gas prices Redmond · WA · 17 mi$4.899
- Costco gas prices Gig Harbor · WA · 18 mi$4.899
- Costco gas prices Tacoma · WA · 18 mi$4.559
At this location
- Warehouse opened
- August 1984
- Warehouse phone
- (206) 575-9191
- Pumps open early
- 4 hours before the warehouse on weekdays
Also at this warehouse: a food court, a pharmacy, an optical department, a hearing aid center and a tire center.
Frequently asked questions
How much is gas at Costco Tukwila today?
As of October 31, 2026: Regular $4.899, Premium $5.569 and Diesel $6.999 per gallon. Prices are collected once a day, so the pump can differ.
What time does the Costco Tukwila gas station open?
The pumps are open 6 a.m. – 10 p.m. weekdays, 6 a.m. – 8:30 p.m. Saturdays and 6 a.m. – 7:30 p.m. Sundays, in local time. The pumps open 4 hours before the warehouse on weekdays.
Does the Costco Tukwila gas station sell diesel?
Yes — diesel is $6.999 per gallon here as of October 31, 2026.
Is Costco Tukwila cheaper than the average Costco station in Washington?
No — at $4.899, Regular here is $0.219 above the average Costco price in Washington, $4.680.
Where is the Costco Tukwila gas station?
At 400 Costco Dr Ste 150, Tukwila, WA 98188-4808. It sits in the Costco warehouse parking lot and is open to members only.
Do you need a Costco membership to buy gas?
Yes — a Gold Star, Executive or Business membership card has to be scanned at the pump before it will dispense, though a Costco Shop Card also works for non-members.
What payment methods does the Costco gas station accept?
Visa, PIN debit and the Costco Shop Card; US Costco fuel pumps take no cash and no Mastercard, American Express or Discover.
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