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Costco gas prices
Find current pump prices at Costco warehouses across the top US metros. Plus the membership math that decides whether the annual fee pays for itself at your fill-up volume.
How Costco prices fuel
Costco runs gas as a member benefit, not a profit center. Pump prices are typically 12 to 25 cents per gallon below nearby retail stations, with the gap widening when wholesale prices spike. The strategy works because Costco recovers the per-gallon margin loss through membership fees and ancillary in-warehouse spend.
The discount is enforced by relentless competitive pricing relative to the local market. Costco surveyors check competitor pump prices throughout the day and adjust their own posted price downward when the gap narrows. That is why Costco prices can change multiple times per day in volatile markets.
Roughly 450 of Costco’s 600 US warehouses operate gas stations. Urban warehouses without space for pumps and some smaller markets do not have fuel. Whether your local warehouse pumps gas is worth confirming before planning the trip.
Top metros for Costco gas
Click any metro to see current gas prices in that area. The warehouse counts shown are approximate.
- Los AngelesCA~24 warehouses
- San FranciscoCA~12 warehouses
- San DiegoCA~9 warehouses
- SacramentoCA~7 warehouses
- SeattleWA~11 warehouses
- PortlandOR~7 warehouses
- PhoenixAZ~9 warehouses
- HoustonTX~11 warehouses
- DallasTX~9 warehouses
- San AntonioTX~4 warehouses
- AustinTX~5 warehouses
- AtlantaGA~8 warehouses
- MiamiFL~5 warehouses
- TampaFL~5 warehouses
- OrlandoFL~5 warehouses
- ChicagoIL~9 warehouses
- DenverCO~7 warehouses
- BostonMA~5 warehouses
- Las VegasNV~6 warehouses
- Salt Lake CityUT~6 warehouses
Does the membership pay for itself?
Run the math against your own fill-up cadence. The break-even point depends on three numbers: how many gallons you buy per year, the average per-gallon savings at Costco vs your alternative station, and your annual membership fee.
At 12 gallons per fill-up and 4 fill-ups per month, you consume roughly 576 gallons of gas per year. At an average savings of 15 cents per gallon, that is about $86 per year in fuel discount. At 20 cents per gallon, $115. At 25 cents per gallon, $144.
Compare that to the Gold Star membership annual fee. The fuel discount alone may not cover the membership, but members typically get value from other in-warehouse purchases (groceries, household goods, prescription, tire services). The Executive tier returns 2 percent cash back on most purchases including fuel, which can shift the math meaningfully for high-volume drivers.
The realistic frame: do not buy a membership for fuel alone. Buy it for the warehouse and treat the gas savings as a bonus.
Frequently asked questions
- How much do you save on gas at Costco?
- Costco fuel typically prices 12 to 25 cents per gallon below nearby retail stations, with the gap widening in volatile markets. The exact discount varies by region and depends on local competition, refinery proximity, and state taxes. California and West Coast Costco gas tends to show smaller per-gallon discounts because the underlying market is already premium.
- Is the Costco gas membership worth it?
- Run the math against your fill-up volume. If you fuel up roughly 4 times per month at 12 gallons per fill-up, that is ~576 gallons per year. At a 15-cent average savings, that is roughly $86 per year in fuel discount alone. The Gold Star membership pays for itself if you also use the warehouse for other purchases. The Executive tier pays back additionally through 2 percent cash back on most purchases including fuel.
- What payment methods does Costco gas accept?
- Costco gas stations accept cash, debit cards, the Costco Anywhere Visa Card by Citi, and contactless payment via Apple Pay or Google Pay where supported. Other credit cards (Mastercard, Amex, non-Costco Visa) are not accepted at the pump. Membership card is required to dispense fuel.
- When are Costco gas stations busiest?
- Saturday late morning through early afternoon is typically peak. Weekday mornings before 9 AM and weekday late evenings after 7 PM tend to have the shortest lines. During major price-volatility events, queues can extend significantly even at off-peak times.
- Are Costco gas prices the same at every location?
- No. Prices vary by location, sometimes meaningfully within the same metro area. Costco adjusts pump prices throughout the day in response to wholesale costs and local competition. Always check the specific warehouse on your route, not just the chain average.
- Is this site affiliated with Costco?
- No. Gas Price Check is an independent gas price comparison service. Costco is a registered trademark of Costco Wholesale Corporation. We reference the brand only to help consumers find current pump prices, which is permitted by US trademark law as nominative fair use.
See more
- Sam’s Club gas prices, the other major warehouse-club gas option.
- Buc-ee’s gas prices, the Texas travel-stop chain.
- All US gas prices by state.
Costco is a registered trademark of Costco Wholesale Corporation. Gas Price Check is an independent service and is not affiliated with, endorsed by, or sponsored by Costco. References to Costco on this page are made under nominative fair use for the purpose of consumer price comparison.