Joseph G.
7/8/2025
Joe Biden made those prices too high! Thankfully, we have brains in the White House now.
Costco Gas
Closed
(8)
$3.99Regular
$4.29Premium
Fuel prices updated 11 hours ago
Photos
3680 E Guasti Rd
Ontario, CA 91761
Costco Gas in Ontario CA offers high-quality fuel at competitive prices making it a popular choice for both Costco members and locals. The station features multiple pumps for quick service and is conveniently located near the Costco warehouse ensuring easy access for customers. With its focus on efficiency and value Costco Gas is an excellent stop for all your fueling needs.
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Reviews
5.08 reviews
Jennifer W.
5/28/2025
5/28/25 After a grueling shoe shopping trip, needed to fuel up. This is the closest at the time. Plenty of pumps (30 in all) and surprisingly not a line to weave through at 8 pm. Clean,...
Vuoch L.
2/15/2025
Now open!!! Costco Gas sation at the Costco Business Center is now open!!!! Anyone with Costco membership is welcome to use the gas station and shop at the Business Costco Center. Right off...
Francine L.
2/24/2025
A new Costco gas station has popped up, right next to the Costco Business Center. For now, there really isn't. A crowd of people is coming to this station. Every time I have been here it had...
Leilani M.
3/30/2025
This new gas station is a convenient stop for Costco members before returning a rental car at Ontario airport. Plenty of pumps, well lit and open space. Designated exit lane clearly marked for...
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