DON'T MAKE THE MISTAKE of Googling how to maintain your pool or the even BIGGER mistake of just going to a place like Wal-Mart to get some pool cleaner. You MUST go to a place like Leslie's Pro to get all the information and education you need to keep your pool up and running for the summer (and possibly beyond). Seriously, I came in here knowing nothing about pools; however, the manager on shift cheerfully asked me a few questions about by pool type, size, etc. She then recommended what I needed to get started, what I needed to keep the pool clean and maintained, and what I needed to do every so often to ensure my kids had a good, clean environment to swim in. Best part? Even after all her recommendations, my bill only came out to about $100. That's NOTHING to keep the kids happy all summer (yes, I will have to repurchase some supplies throughout the summer, but still). Very knowledgeable staff here, and great customer service will have me coming back! Oh, also, you can get your pool water tested for FREE here. read more

Do not go here !!!they will rip you off!!! I called for a price for an item once I got there. they were trying to charge me more and made it seem like I was making stuff up and that I never called.Place is a scam read more

Sandy creates such a warm and inviting feeling in her store. I love the free water testing service. It helps a lot and she is never condescending if I don't understand anything as a rookie pool owner. Only bad thing is the parking. It is hard to get in and out of. read more

Manager / owner extremely helpful in helping me with filter I needed . Very friendly place.

Beware of using the website to INQUIRE about scheduling service. Computer replied no appointment available. Leslie's numerous calls and no-reply emails where eventually blocked. I did the work myself. I was surprised a tech showed up and sat outside for 30 minutes while corporate left messages. I was in a meeting. I subsequently learned Leslie's policy is to automatically book a service call for ALL online inquires, even when the computer indicates none are available. An appointment is an agreed upon date and time. Very scary that a company can stalk you just by making an inquiry. Reminds me of the Jerky Boys prank calls for an auto mechanic job. The person declined the cold call for a job. The Jerky Boys responded, "I dont care what you say, I'm showing up with my tool box". read more

Leslie's pool supply in Ontario on Mountain below the 10 freeway is the worst representation of a pool supply company that I've ever dealt with. They sold me a DE filter. It was installed incorrectly and there was no DE in the filter as it ran for over a week. Give your business to someone that deserves it not Leslie's read more

This use to be my go to place for pool supplies. Running in today to get chlorine they're out. I can understand the fact they're out but I didn't have to get the run around to find out why. And when will you be getting some more in. The cashier was just rude and blah. I can't stand rude customer service. I can take that products out I understand. It's how you present it to the customer. The young man was horrible and I won't go back. I went to Gary's pool supply. They had everything I needed. With mind you great customer service. You just lost our business! read more

General manager, Sandra, was extremely rude and hostile to any questions. Felt like her only concern was pushing water testing to sell more products. Experience was the opposite of helpful, and I was very uncomfortable with how weirdly confrontational she was. Quickly bought what we needed and left. I live a block away but will not be returning to this store. read more

Sadly, this is the 2nd time that I go to this location where they do not honor their store hours. I showed up at 5:20pm (they close at 6pm) on a Saturday this last time and the gentlemen at the counter signaled that they are closed. Lousy way to run a business with employees who have no integrity. Lost a big sale and a customer. Called the Alta Loma site and they fortunately honor their hours. Hope others don't experience this in the future. read more

Just want to talk about our amazing experience here at this location. John & Sandra are both friendly, helpful & extremely knowledgeable. I enjoy coming to this store knowing all of my questions will be answered & a perfect product recommended. The products at this store are also of very high quality. I will continue to be a returning customer. Thanks John & Sandra! -Matt read more

Just wanted to thank the staff of Leslie's Pool Supplies and Manager John J Maloney located in Ontario, Ca for their customer service that was OFF the Scale! Johns knowledge of his products and store inventory made it a complete STRESS FREE shopping experience. What he didn't have on the shelf at the time, he was able to procure in less than 24 hours and have it readily available for curbside pick up! How much more can one ask for? Thanks again John for actually taking personal time off to take care of a customer. As a result you now have a store customer for life! For those looking to buy pool products and/or pool service, there is ONLY one place to go and that's Leslie's Pool Supplies in Ontario,Ca. Your one stop shopping store....YOU won't be disappointed! Note to YELP customers: the only reviews I will do is for either EXCEPTIONAL service and/or experience, or for below standard quality that must be shared so others won't have to endure BAD customer service or horrible food! Check out my reviews, you won't be disappointed! Leslie's Pool Supply & Service, Ontario, Ca read more

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Horrible customer service. Very rude and didn't seem like they were willing to help at all. Felt my presence there was a burden and a bother to them. Will not be returning. read more

Insanely nice, genuine, and helpful. I just got ownership of a 10+ year old spa and filled it up for the first time and needed to get my water tested. Not only did they test my water for free, but they also give you very clear instructions on what to do. Bonus: their products seem to be cheaper than Amazon read more

Good customer service means meeting expectations- but excellent customer service means exceeding them and this store is definitely willing to go above and beyond for their customers. I'm on the hunt for a basketball hoop for our pool party. I live in Alta Loma and was willing to drive here and here's why.... The local store was sold out and they wouldn't sell the display. I called around to the other rancho location and they had already sold their display. I called this location and they were ready to sell the display, no problem. They even placed me on hold and called the Alta Loma location to ask why they wouldn't sell it...I was blown away by that because it was going to save me a drive. Alta Loma was firm on not selling it for whatever reason. So glad I made the drive! I arrive at this lovely Montclair location and the staff was so helpful and honest. They were willing to sell it but didn't have the complete set. I was ready to buy it but when they mentioned that Chino location has 7 in stock. I would prefer to buy the complete set, but was questioning the drive...the manager said I'll go ahead and pick it up for you! At first I said no but I could tell he had no issue taking the drive so that I wouldn't have too. It's like he knew my gas light was on lol. The staff even looks happy to be at work and I personally feel like that says a lot about a business. Thank you to the manager John for Great customer service! If there's a will, there's a way!!! read more

David was our technician for both a heater install and a new pump install. What a great and professional technician he is. Incredibly helpful and great installation. Informative and thorough. We purchased the equipment from the Riverside, Central Avenue store. And their customer service was hit and miss. But David our technician who came from Ontario was fantastic. He was also able to replumb our vacuum for better results. read more

Your Store Manager John M is the best in the business. He conducts himself very professionally and puts the customer first. I first met John when he was filling in at your Diamond Bar location. I was so impressed with the knowledge, the helpfulness and John giving his personal touch. Now I will do business at his store in Ontario, CA and I am traveling from Diamond Bar. I told John I needed new filter grids. He replied yours are fine. Let me check the manifold. I told John to go ahead and change the filter grinds. His honesty told me to change the grids. John keep up the great job and you will go far in your career. read more

My review is based on value NOT on customer service, their c.s is always been great, but just recently stop by to buy some supplies and needed a few extra bolt and nuts for my pool pump, and this is what I found out, not only are the chemicals are more expensive than the big box stores,,found the same bolt and nut from a competitor for way, way less....I guess it pays to shop around... read more

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The staff here is so much more helpful and friendly than the Rancho location ! I joined the rewards group & got a coupon for my first purchase so I used it on a pool float . Unfortunately a week later the pool float was defective. I called and they allowed to me return it no problem , I didn't even have my receipt. Very pleasant experience ! Thank you Sandy & Ryan. read more

Went into Leslie's yesterday with a sample of my spa water and John tested it for me, gave me a printout of the results and went over that with me and then recommended a couple products to use. He spent quite a bit of time with me and I ended up buying the spa bundle which was not that expensive and discounted because it was a bundle, and my spa has never looked better. John knows what he's talking about and he's a really nice guy. Go in and ask for him and he'll steer you in the right direction for your pool or spa. I will go back to this location. Thanks again John read more

Pretty diligent employees! We have been clients for many years. They always come to the rescue when our pool needs service!

Horrible Service Call response. 6 weeks to get my pump repaired with no reason, no excuse, and No Concerns fro Leslie's Pool. Good Luck to their next Service Call customer. read more

I was referred to John at this store #131 because after several attempts to repair my Hayward Pool Vacuum at the store in Glendora they gave up and sent me to their repair guru. While there John said he could repair it while I waited. Because I had already been charged for the services at the Glendora location John repaired for FREE! I felt very welcomed and convinced John and Kayla are my go to in the future even though they are out of my way by 28 miles round trip. I highly recommend John to repair your Hayward Vacuum it is now working as good as new! read more

I go here several times a year. Never had a bad experience other than having to wait for other customers ahead of me and that's isn't too often. Went there today to find out why I'm getting some yellow algae and got out of there quickly with my chemical printout, answers to my questions and not a dime spent on product. read more

John does a good job.He is very knowledgeable and reliable. He didn't try to sell me on anything that I didn't need. I'm using their VS pump and filter, Im happy with the quality so far. read more

Awesome customer service from John the store manager. I really appreciate his knowledge, patience and guidance. He set me up with everything I needed to balance my pool. read more

No problems. Stopped in for a thermometer and was in and out in minutes. Have also purchased many filters for the pool over the years and they are always in stock. Regularly pick up chlorine and D.earth for the pool. Always great customer service. read more

Awesome! I have been coming to this location for all the necessary items to maintain my pool because I have always been happy about the customer service. The last time I came here I had basically run out of all my supplies and I had DE filters that needed replacement. I was really happy with the service that John provided me that day. He understood the financial toll all my purchases would put on me so he worked with me and found a solution that allowed me to maintain my pool in an affordable way and set up a plan for future replacements, etc. On top of that, he stayed a bit past closing (due to New Year's the store closed at 3, unbeknownst to me) and attached the replacement DE filters so I wouldn't have to wait 2 days to pump my pool. I am so grateful he helped me out and his service makes me a return customer. Cherry on top....my pool looks great! read more

Great service would recommend to all customers and family store manager John great guy thank you for your service this is the place to test your water and get your pool supplies been coming here for years thank you with repairing my pool vacuum great price read more

Disappointed with their customer service. The attendant seemed too busy to answer simple questions of what product I needed to balance PH. I stood in line waiting for my turn but had me wait so he could sell products to people who came after me. Seemed like he was more interested about selling than providing customer service... products are very pricey as well.. I'll be trying Gary's pool and delete their app in my phone read more

Horrible service!!!!!!!!! Never going back If your looking for a good pool supplies I recommend Gary's swimming pool supplies read more

John is the store manager for Ontario, CA Leslie' and he is the absolute best. Having someone who is experienced and knowledgeable in his field, is a plus and his approach is honest and straight forward. Recently, he advised us on a new robotic pool sweep for our multi-unit housing complex. His overall knowledge and understanding of our needs was exceptional. Not only did he give excellent advice on which unit would serve us best, his follow up and ongoing communication has been next to none. We will continue to use this store as our source for pool supplies and equipment and without doubt, it is with the highest recommendation to anyone looking for the best service out there. read more

Bryan assisted me on a few concerns I had regarding my filter and the amount I needed to put once I cleaned the filter. Thanks for your help. Gonna go pack to purchase the solar cover read more

I feel they overprice there stuff my pool filter here were 105 I order them in amazon for only 58 same thing just had to wait for the delivery but other than that totally worth waiting for them. read more

The white lady working there at Tuesday, september 8 2015, 1:00 pm is very rude. I ask a question nicely about their chlorine bucket, "what's the difference between powder and another solid cube basket", she reply with impatience voice,"Err...one is powder and one is cube". wtf, yes I can read that too. Tell me something useful.... Then I ask why is powder more expensive, is there any thing special or better effect? she said "errr....you get more out of it because you pay more" another fking genius answer because customer can not read, right? Doesn't offer showing the product and doesn't even carry it to the counter for purchase. she want the customer to carry it. lazy bum employee. oh btw, you can get pool chlorine on amazon by cheaper price. No reason to go to this leslie's store at all with higher price and horrible customer service. Leslie's pool supplies in chino is actually good customer service unlike this one. read more

Wow love this pool supplies store! John was so helpful and professional, we usually go to the one in Laverne but we are now only going to come to this one. Clean and organized store but more importantly helpful and knowledgeable staff. read more

I was driving around all day attempting to purchase a pool for my kids. I had pretty much struck out until wifey called Leslie's pool supplies and Sandy saved us. She had one pool in stock, we rushed over and got there just in time to purchase before they closed. Sandy was very helpful and polite. We're glad people like Sandy still give it 100% in customer service even thru these troubled times. read more

What happen to this place??? It use to be a pleasure to deal with Dylan and the rest of his crew.... I walked in to get my water tested and was asked what was wrong with the water??? If I knew what was wrong I would have no need for your test... then the 25 questions and the nagging about what I should be doing with the pool came from the worker (assistant manager?)... Horrible service!!! read more

John at this store is awesome. Not only does he have a lot of experience and knowledge, he asks the right questions to resolve the reason why I went to the store in the first place. I've been to a handful of Leslie pool stores, however, hands down John is top notch and I will continue to go to this store because of the level of service and professionalism I have received from John, even though I pass 2 other Leslie pool stores on my way to his location. Thanks John, my pool pump is running great and my pool looks good again! read more

John and Bryan are both knowledgeable and provides quick, honest and efficient service. John provides exceptional service. Each time, I bring my Hayward cleaner in, he always checks it immediately and I'm able to bring the cleaner home the same day with the new parts. Bryan helped me to clear up my Algae issue without over selling me on products. So grateful for them. read more

Usually I choose a place based on location. This the closest pool place to my house, boy did I learn my lesson. In less then a year this place has had 3 "managers." I purchased a pool cleaner from them well over a $1,000. 2 years later it broke. Took it in to have it fixed and suring their management turnover they kept the machine for 6 months and when I went in they said they were about to throw it away since nothing in the back had been labeled properly. Unprofessional and they never return calls. Everything they sell is way more expensive than other places. They wanted to charge me $600 to fix my cleaner however the same cleaner new is $850??? The employees said the cleaner is known to suck (pun intended) however they push on selling it probably because of incentives they get. Any new pool owners or veteran pool owners I recommend going to pool supply unlimited. slightly farther but the savings are worth it. read more