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Arco Am-Pm  $3.85 for 87 octane
Lines are long on Friday
$3.49 regular
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May 11, 2026.
Costco Gasoline Gas Station

FYI; the trash cans are back!

Website: costco.com

Phone: (714) 738-7521

Cross Streets: Near the intersection of S Harbor Blvd and Costco Way

Open now

  • Fri 5:30 AM - 10:00 PM

910 S Harbor Blvd Fullerton, CA 92832 ·2173.32 mi

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Reviews

yelp
3.5 157 reviews
5 star
55 4 star
42 3 star
29 2 star
14 1 star
17
Brian K. 09/14/26

One of my favorite place to get fuel when I'm in the area. Costco offers top tier fuel and the prices aren't too bad. Especially with the gas prices now days. Also the 5 % back when you use the...

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Daniel A. 01/05/26

And we're rollin' (rollin'), rollin', yeah (rollin') Rollin' on the speed bumps... 3/5 Traffic barriers Entrance thru the South Lemon Street side otherwise you have to pass the notorious speed...

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Chalee T. 10/25/25

730 am, Saturday, October 25, 2025 It's been a long while since I've been to this location. I forgotten that the queue starts over on the Lemon side of the property. There is no shortcutting past...

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Conor B. 07/09/25

They do their best to free up the parking lot from people waiting to get gas. That means you have to enter basically from the back of the Costco and drive down a roped off area to get gas. It...

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Nadine C. 05/04/25

Fueling up in Fullerton, Orange County, California... Costco Gasoline seems to have the best prices everywhere i go. The closest on to me today was this Fullerton location. The lines were long on...

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