Costco Tracy Gas Prices – Grant Line Rd
- Regular · today
- $5.999▲ +$0.040
- Premium · today
- $6.599▲ +$0.140
USD per gallon · Last updated September 30, 2026 · This station does not sell diesel
3250 W Grant Line Rd, Tracy, CA 95304-8427 · Open in Maps ↗
30-day range
where today sits- Regular$5.999 today · avg $5.559$5.099 low$5.999 high
- Premium$6.599 today · avg $5.986$5.499 low$6.599 high
Price history at Tracy
Last 30 days · USD per gallonView data as table
| Date | Regular | Premium |
|---|---|---|
| Sep 1 | $5.099 | $5.499 |
| Sep 2 | $5.099 | $5.499 |
| Sep 3 | $5.199 | $5.559 |
| Sep 4 | $5.259 | $5.559 |
| Sep 5 | $5.359 | $5.659 |
| Sep 6 | $5.359 | $5.659 |
| Sep 7 | $5.359 | $5.759 |
| Sep 8 | $5.359 | $5.759 |
| Sep 9 | $5.399 | $5.799 |
| Sep 10 | $5.399 | $5.799 |
| Sep 11 | $5.459 | $5.859 |
| Sep 12 | $5.459 | $5.859 |
| Sep 13 | $5.499 | $5.859 |
| Sep 14 | $5.529 | $5.899 |
| Sep 15 | $5.559 | $5.899 |
| Sep 16 | $5.559 | $5.899 |
| Sep 17 | $5.569 | $5.999 |
| Sep 18 | — | — |
| Sep 19 | $5.659 | $6.059 |
| Sep 20 | $5.659 | $6.089 |
| Sep 21 | $5.699 | $6.199 |
| Sep 22 | $5.699 | $6.199 |
| Sep 23 | $5.699 | $6.199 |
| Sep 24 | $5.759 | $6.299 |
| Sep 25 | $5.859 | $6.399 |
| Sep 26 | $5.899 | $6.399 |
| Sep 27 | $5.899 | $6.399 |
| Sep 28 | $5.899 | $6.459 |
| Sep 29 | $5.959 | $6.459 |
| Sep 30 | $5.999 | $6.599 |
Last updated September 30, 2026. Prices are collected once daily and can lag same-day changes at the pump.
Today’s price in context
At $5.999 for Regular, Tracy is tied for the 40th cheapest of 128 Costco gas stations in California today, $0.043 below the California average of $6.042.
Manteca, 12.0 mi away, is $0.140 cheaper.
- vs the US average
- $1.393 above, at $4.606
- Premium over Regular
- $0.600 — the California median is $0.400
- Over the last 30 days
- up $0.900
- Days the price changed
- 16 of 29 reported days
- Cheapest day in the window
- September 2, 2026, at $5.099
- 15-gallon fill
- $89.98, $13.50 more than at the 30-day low
- Nearest cheaper station
- Manteca — 12.0 mi
Tracy is located at 3250 W Grant Line Rd, Tracy, CA 95304-8427, in California. 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. – 8 p.m. on Sundays, in local time.
Station details
Tracy Gas station hours
- Mon–Fri
- 6 a.m. – 10 p.m.
- Saturday
- 6 a.m. – 8:30 p.m.
- Sunday
- 6 a.m. – 8 p.m.
Tracy Warehouse hours
- Mon–Fri
- 10 a.m. – 8:30 p.m.
- Saturday
- 9:30 a.m. – 7 p.m.
- Sunday
- 10 a.m. – 7 p.m.
Costco gas near Tracy
- 1MantecaManteca, CA · 12.0 mi$5.859Regular
- 2LivermoreLivermore, CA · 18.7 mi$6.099Regular
- 3Brentwood CABrentwood, CA · 20.5 mi$5.899Regular
- 4StocktonStockton, CA · 21.0 mi$5.859Regular
- 5ModestoModesto, CA · 22.5 mi$5.799Regular
Distances are straight-line. Prices across the border are shown in that country’s units (¢ per litre).
Cities near Tracy
- Costco gas prices Manteca · CA · 12 mi$5.859
- Costco gas prices Livermore · CA · 19 mi$6.099
- Costco gas prices Brentwood · CA · 21 mi$5.899
- Costco gas prices Stockton · CA · 21 mi$5.859
- Costco gas prices Modesto · CA · 23 mi$5.799
- Costco gas prices Pleasanton · CA · 24 mi$6.199
- Costco gas prices Antioch · CA · 27 mi$5.979
- Costco gas prices Lodi · CA · 27 mi$5.799
At this location
- Warehouse opened
- September 2002
- Warehouse phone
- (209) 830-5340
- Pumps open before the warehouse
- 4 hours on weekdays
Also at this warehouse: a food court, a pharmacy, an optical department and a tire center.
Costco publishes one number per warehouse; there is no separate line for the gas station.
Frequently asked questions
How much is gas at Costco Tracy today?
As of the September 30, 2026 reading: Regular $5.999 and Premium $6.599 per gallon. Prices are collected once a day, so the pump can differ.
What time does the Costco Tracy 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. – 8 p.m. Sundays, in local time. The pumps open 4 hours before the warehouse on weekdays.
Does the Costco Tracy gas station sell diesel?
No — this station sells Regular and Premium, and has reported no diesel price in the last 30 days.
Is Costco Tracy cheaper than the average Costco station in California?
Yes — at $5.999, Regular here is $0.043 below the California Costco average of $6.042.
Where is the Costco Tracy gas station?
At 3250 W Grant Line Rd, Tracy, CA 95304-8427. 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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