Costco Carmel Mountain Gas Prices – San Diego, CA
- Regular · today
- $5.259
- Premium · today
- $5.699
USD per gallon · Last updated November 13, 2026 · This station does not sell diesel
12350 Carmel Mountain Rd, San Diego, CA 92128-4616 · Open in Maps ↗
30-day range
where today sits- Regular$5.259 today · avg $5.673$5.259 low$5.999 high
- Premium$5.699 today · avg $6.019$5.699 low$6.359 high
Price history at Carmel Mountain
Last 30 days · USD per gallonRegular: $5.999 on Oct 15 to $5.259 on Nov 13, low $5.259, high $5.999. Premium: $6.359 on Oct 15 to $5.699 on Nov 13, low $5.699, high $6.359.
Last updated November 13, 2026. Prices are collected once daily and can lag same-day changes at the pump.
Today’s price in context
At $5.259 for Regular, Carmel Mountain is tied for the 13th most expensive of 131 Costco gas stations in California today, $0.240 above the California average of $5.019.
Santee, 11.4 mi away, is $0.060 cheaper.
- vs the US average
- $1.396 above, at $3.863
- Premium over Regular
- $0.440 — the California median is $0.460
- Regular over the last 30 days
- down $0.740
- Days the price changed
- 14 of 30 reported days
- Latest day at the 30-day low
- today, at $5.259
- 15-gallon fill
- $78.89 — the cheapest it has been in 30 days
- Nearest cheaper station
- Santee — 11.4 mi
Carmel Mountain is located at 12350 Carmel Mountain Rd, San Diego, CA 92128-4616, 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 5:30 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
San Diego Gas station hours
- Mon–Fri
- 5:30 a.m. – 10 p.m.
- Saturday
- 6 a.m. – 8:30 p.m.
- Sunday
- 6 a.m. – 7:30 p.m.
San Diego 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.
Costco gas near Carmel Mountain
- 1PowayPoway, CA · 4.3 mi$5.259Regular
- 2San MarcosSan Marcos, CA · 10.6 mi$5.299Regular
- 3SanteeSantee, CA · 11.4 mi$5.199Regular
- 4San Marcos Business CentreSan Marcos, CA · 12.1 mi$5.299Regular
- 5MorenaSan Diego, CA · 14.3 mi$5.259Regular
Distances are straight-line.
Cities near San Diego
- Costco gas prices Poway · CA · 4 mi$5.259
- Costco gas prices San Marcos · CA · 11 mi$5.299
- Costco gas prices Santee · CA · 11 mi$5.199
- Costco gas prices La Mesa · CA · 15 mi$5.159
- Costco gas prices Carlsbad · CA · 17 mi$5.259
- Costco gas prices Vista · CA · 18 mi$5.259
- Costco gas prices Chula Vista · CA · 25 mi$5.279
- Costco gas prices Temecula · CA · 37 mi$4.999
At this location
- Warehouse opened
- October 1992
- Warehouse phone
- (858) 675-0379
- Pumps open early
- 4 hours and 30 minutes before the warehouse on weekdays
The pumps open at 5:30 a.m. on weekdays, earlier than the 6 a.m. opening at most Costco gas stations in the US.
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 Carmel Mountain today?
As of November 13, 2026: Regular $5.259 and Premium $5.699 per gallon. Prices are collected once a day, so the pump can differ.
What time does the Costco Carmel Mountain gas station open?
The pumps are open 5:30 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 and 30 minutes before the warehouse on weekdays.
Does the Costco Carmel Mountain gas station sell diesel?
No — this station sells Regular and Premium, and has reported no diesel price in the last 30 days.
Is Costco Carmel Mountain cheaper than the average Costco station in California?
No — at $5.259, Regular here is $0.240 above the average Costco price in California, $5.019.
Where is the Costco Carmel Mountain gas station?
At 12350 Carmel Mountain Rd, San Diego, CA 92128-4616. 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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