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Costco Fullerton Gas Prices – Harbor Blvd Serving Anaheim

Regular · today
$5.299▲ +$0.050
Premium · today
$5.599▲ +$0.050

USD per gallon · Last updated October 31, 2026 · This station does not sell diesel

900 S Harbor Blvd, Fullerton, CA 92832-3025 · Open in Maps ↗

30-day range

where today sits
  • Regular$5.299 today · avg $5.488
    $5.249 low$5.999 high
  • Premium$5.599 today · avg $5.796
    $5.549 low$6.299 high

Price history at Fullerton

Last 30 days · USD per gallon
RegularPremium

Regular: $5.999 on Oct 2 to $5.299 on Oct 31, low $5.249, high $5.999. Premium: $6.299 on Oct 2 to $5.599 on Oct 31, low $5.549, high $6.299.

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 $5.299 for Regular, Fullerton is tied for the 21st cheapest of 129 Costco gas stations in California today, $0.154 below the California average of $5.453.

None of the 5 nearest Costco stations is cheaper today.

vs the US average
$1.024 above, at $4.275
Premium over Regular
$0.300 — the California median is $0.440
Regular over the last 30 days
down $0.700
Days the price changed
14 of 30 reported days
Latest day at the 30-day low
October 30, 2026, at $5.249
15-gallon fill
$79.48, $0.75 more than at the 30-day low

Fullerton is located at 900 S Harbor Blvd, Fullerton, CA 92832-3025, in California. It is the Costco gas station that serves Anaheim. 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

Fullerton 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.

Fullerton 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 Fullerton

  1. 1La HabraLa Habra, CA · 5.6 mi$5.299Regular
  2. 2Garden GroveGarden Grove, CA · 6.3 mi$5.379Regular
  3. 3Cypress CACypress, CA · 7.8 mi$5.299Regular
  4. 4City Of IndustryCity Of Industry, CA · 9.1 mi$5.299Regular
  5. 5Huntington BeachHuntington Beach, CA · 9.9 mi$5.299Regular

Distances are straight-line.

Cities near Fullerton

At this location

Warehouse opened
November 1984
Warehouse phone
(714) 738-7521
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 Fullerton today?

As of October 31, 2026: Regular $5.299 and Premium $5.599 per gallon. Prices are collected once a day, so the pump can differ.

What time does the Costco Fullerton 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 Fullerton gas station sell diesel?

No — this station sells Regular and Premium, and has reported no diesel price in the last 30 days.

Is Costco Fullerton cheaper than the average Costco station in California?

Yes — at $5.299, Regular here is $0.154 below the average Costco price in California, $5.453.

Where is the Costco Fullerton gas station?

At 900 S Harbor Blvd, Fullerton, CA 92832-3025. 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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