Costco Tigard Gas Prices – Dartmouth St
- Regular · today
- $4.299▼ −$0.060
- Premium · today
- $4.759▼ −$0.040
USD per gallon · Last updated October 31, 2026 · This station does not sell diesel
7850 SW Dartmouth St, Tigard, OR 97223-8401 · Open in Maps ↗
30-day range
where today sits- Regular$4.299 today · avg $4.651$4.299 low$4.999 high
- Premium$4.759 today · avg $5.155$4.759 low$5.499 high
Price history at Tigard
Last 30 days · USD per gallonRegular: $4.899 on Oct 2 to $4.299 on Oct 31, low $4.299, high $4.999. Premium: $5.399 on Oct 2 to $4.759 on Oct 31, low $4.759, high $5.499.
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 $4.299 for Regular, Tigard is tied for the 2nd cheapest of 13 Costco gas stations in Oregon today, $0.143 below the Oregon average of $4.442.
None of the 5 nearest Costco stations is cheaper today.
- vs the US average
- $0.024 above, at $4.275
- Premium over Regular
- $0.460 — the Oregon median is $0.440
- Regular over the last 30 days
- down $0.600
- Days the price changed
- 16 of 30 reported days
- Latest day at the 30-day low
- today, at $4.299
- 15-gallon fill
- $64.48 — the cheapest it has been in 30 days
Tigard is located at 7850 SW Dartmouth St, Tigard, OR 97223-8401, in Oregon. The gas station sits in the warehouse parking lot and is open to Costco members, selling Regular and Premium — this location does not sell 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
Tigard 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.
Tigard 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 Tigard
- Costco gas prices Aloha · OR · 7 mi$4.559
- Costco gas prices Wilsonville · OR · 7 mi$4.459
- Costco gas prices Clackamas · OR · 9 mi$4.299
- Costco gas prices Hillsboro · OR · 11 mi$4.459
- Costco gas prices Portland · OR · 14 mi$4.589
- Costco gas prices Vancouver · WA · 19 mi$4.359
- Costco gas prices Camas · WA · 19 mi$4.389
- Costco gas prices Ridgefield · WA · 27 mi$4.499
At this location
- Warehouse opened
- November 1986
- Warehouse phone
- (503) 639-0811
- 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 Tigard today?
As of October 31, 2026: Regular $4.299 and Premium $4.759 per gallon. Prices are collected once a day, so the pump can differ.
What time does the Costco Tigard 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 Tigard gas station sell diesel?
No — this station sells Regular and Premium, and has reported no diesel price in the last 30 days.
Is Costco Tigard cheaper than the average Costco station in Oregon?
Yes — at $4.299, Regular here is $0.143 below the average Costco price in Oregon, $4.442.
Where is the Costco Tigard gas station?
At 7850 SW Dartmouth St, Tigard, OR 97223-8401. 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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