Hope this station will fix the Hydrogen fuel pump...there is a demand for the hydrogen station in…read morethe inland empire area...the nearest one is. Diamond bar and Baldwin park which too far from the inland empire...hope the owner put this is service and it hasn't been in service for months now....thank you..

Got the Executive wash. Turned out beautiful! In and out in a timely manner. All the employees,…read moreespecially Riyanto, are professionally mannered. Answered all questions and received a quality car wash at a decent, acceptable price.

NO FOUNTAIN DRINKS! I came in for a late night drink (sprite, coke etc.) and this Mobil does not…read morehave a soda fountain! I was shocked, I just opted for a bottled drink but it's definitely disappointing given how modern the inside of the convenience store looks. The guy inside was nice but I felt slightly watched. Not sure if he was paranoid because it was the middle of the night, but he was fine I guess. At least he acknowledged us, answered our questions, and bid us "good night." As for value, the snacks we bought were typically priced. We didn't spend too much money. This Mobil is right off the 10 freeway and near a few hotels in the area.

At this location, I proceed to try to get gas at 2:30 in the morning. The person that was supposed…read moreto be there working which the sign said 24 hours I tried to make a video but it got deleted so I'm writing it out now I honk my horn. Also I hit my alarm on my car knocked on the window more than 20 times obviously it was not 24 hours at this location so that's false advertisement and I'm quite disappointed.

Came here twice during our recent vacation to Ontario. Both times were the same. We got what we…read moreneeded while the employees just talked to each other behind the counter. Didn't bother me as we still got run up and they didn't have to stop talking to each other. Place was clean and orderly and they even have thrifty ice cream!

The Worst customer service ever her name is velvet. She is rude as hell and does not know how to…read moremaintain the maintain her respect. Worst customer service ever, and the fountain drinks were watered down and dirty and tasted like poison. And I will never go there again

Costner service can be bad sometimes Too many times workers…read moreon brake , nothing wrong with that but front door is locked It feels like costumer service has attitude

Good price for diesel gas save 40cents on every gallon and pay cash ! We don't live that far so…read morewhen we are heading out in that direction we will use this station to get our truck gassed up.

I pumped gas but was told restrooms are closed at night. I asked where closest restroom was and…read moreemployee told me the gas station across the street has an available bathroom. I guess next time I'll be buying gas at that gas station since they're kind enough to have restrooms open to the public.

Cheapest gas station I've seen in the area where I live. What's not to like about that haha! They…read morealso have diesel gas and that's a good price too! They have a convenience store am/pm but I didn't need to go inside but from the reviews I saw, I won't dare go inside! Had no issues paying at the pump and the gas station looked clean and tidy. The price alone will make me want to come back if I'm at this side of town!

Located on 4th day off the 10 Fwy…read more Like the prices that are comparable to competitors. Used my Shell Rewards and got 20 cents each gallon. I don't like going inside to pay, so I just paid at the gas pump. Traffic on 4th street can be busy.

I'm a Chevron girl but they removed the Chevron on 4th and Grove so Shell it is! My family has been…read morecoming to this Shell forever. They're right before the 10 freeway entrance and 4th street and it's where everyone stops to get gas before hitting the road. Yes this station is busy, but it's reliable.

Staff is terrible service, they wanted to charge a pregnant woman ice and water even though I took…read moremy cup. We filled up our tank and he said not free. What a courtesy!! Never pumping here. The audacity

I put gas and did tap and They used my debit card info to buy a bunch of shit costing over $800!!!!…read moreNEVER COME HERE UNLESS YOU PAY IN CASH!! Definitely scamming people.

Good customer service and very clean store! The cashiers…read morewere nice. I bought a $5 car wash and the attendant even dried off my car! You get 20 cents off a gallon with a car wash!

I went inside and paid for my gas, when I got to the pump it was still trying to charge me as if I…read morehad not already paid. I couldn't pump anything. I went inside and told them that the credit wasn't showing, and they said "on our end, the gas already shows it was pumped" I told them it wasn't, they said I had to wait until morning to speak to a manager. They took my money and didn't care. I'll have to call the manager today, I still have the receipt.

Was pleased to see such a positive lady at 645 am. Treated me with kindness. Asked about my day…read more Off to hockey with my son. Just a great experience. Thank You Very Much

No public bathrooms, price on pumps didn't match price on sign. Despicable. I was hoping for…read moreIn-N-Out being easy but they added an extra 20 minutes to my trip.

3/11/26 Yardstick for gas? Costco regular unleaded $4.69/gal (no such thing as cash price lol)…read morePremium: $4.89/gal. Brace yourselves, folks! Our "situation" (yes putting it mildly) will sky-rocket fuel prices close to $7.00/gal, according to a radio station I was listening this morning. It's already close to $6/gal in DTLA. Yes, membership has its privileges, but for how long? Top-tier gas at Costco (coz Costco shops around to give its members the best benefits)

This Costco gas at ontario business center is my new fave. I've been coming here like every 2 weeks…read moresince it opened and it's actually insane how smooth it is. Brand new pumps, spotless so many lanes (5). I pull in at 4 pm on a Friday and just roll straight up to a pump , no line, no waiting, no fighting for a spot like the other Costcos where you're stuck 15-20 mins easy lol. Filled up couple days ago in literally 6-7 minutes and bounced. Same cheap gas but zero headache. if you're anywhere close just come here, trust me you'll never wanna deal with the other ones again.