Dr. An was honest, compassionate, and very thoughtful about presenting care options with clear…read moreconsideration of cost. We brought in an older dog who was already quite sick, and after an emergency illness we had already invested several thousand dollars into his care. We love our dog deeply, but we also have real responsibilities -- including mortgage and college tuition payments -- and we appreciated being treated with respect as we navigated those realities. Dr. An carefully explained the test results, recommendations, and multiple care plans, each with different options and price points, without pressure or judgment. I felt completely comfortable being honest about our priorities, our budget, and our goal of making sure our dog is comfortable and cared for with dignity. Of the three to four veterinarians I've visited in Diamond Bar, Dr. An stands out as one of the most honest, empathetic, and genuinely helpful. It is rare to find a provider who balances medical expertise with humanity so well, and we are grateful for the care and guidance we've received.

I absolutely love Sunset Veterinary and most importantly, it's Quinn and Harley approved! They're…read moreso attentive and truly take the time to know my girls by name. I really appreciate how transparent and honest they are with pricing. Having a personal, trusting relationship with your vet is everything, and I'm so grateful we found them. Thank you Dr. An and the whole staff

Dr. Z and his team have taken such great care of my dogs over the years…read more I have two senior dogs who mean everything to me, and I truly appreciate how thorough and attentive Dr. Z is at every visit. He always takes the time to check everything carefully and gives honest, thoughtful advice. The staff is also very kind and welcoming, which makes every visit comfortable. I feel confident and trust their care completely. Highly recommend.

TLDR: I won't be bringing my dog back here. They dropped the ball on things that have been standard…read moreat other vets I've been to. I've brought my dog here twice, once for a wellness exam and the other for a vaccine. The first time I think I waited about 30 minutes since the vet was in surgery according to the front desk, which is fine, except it felt like our appointment was super rushed. He quickly looked at my pup and was about to end the visit before I asked if we could get labs done and ask him a few questions about my concerns. He didn't once ask me if I had any concerns, just said she looked good. I thought it was strange that he didn't suggest labs considering she was a new patient. My dog was 10 years old at the time, so labs should have been suggested considering she is a senior. Anyways, they ended up giving me a discount because of the wait. However I don't think that should have meant a discount in quality of care too? My biggest gripe is the lack of communication. Every vet I've taken my dog to has given me an update when labs come back (typically through a message in the online portal), even if they're all good, and the labs are quickly uploaded onto the online portal so I can see it. Sunshine vet has an online portal that they seem to not use. After waiting 2 weeks after getting my dogs labs done, I hadn't heard from the doctor so I had to call and ask for the results. Additionally, the doctors notes were not uploaded or given to me, so I called for that a few months after the visit and although it had been months, they did not have the notes on hand. I ended up having to ask again a few days later before they sent them to me. That also does not give me confidence in them since they don't have their patient's records readily available. Another huge drawback is that they charge a tech fee for shots. I space out my dogs shots so it's completely unreasonable for me to pay an additional $20(? can't remember the exact fee but it was somewhere around there) every time I take her in for a shot. Overall, a strange experience that did not make me feel comfortable. I expect good communication and documents to be accessible at the bare minimum.

We've been bringing our three dogs here for a while now, and the care they receive at Animal…read moreHospital of Walnut has always been outstanding. The staff is incredibly kind, patient, and truly caring with our pets, which makes a huge difference as a pet owner. Every visit has been smooth and professional, and you can tell they genuinely love animals and want the best for them. Our dogs are always treated with such care and attention, and we always leave feeling confident they're in great hands. We're very grateful to have a veterinary team we trust with our three pups. Highly recommend!

My dog died. He had been in the care of this facility for a few years. In fact my family saw Dr…read moreGoldstein for our pets regularly. The dog who died was a rescue and he could be reactive to dogs. I brought him in with a muzzle always. On February 20th., he was walking and fell to the ground. He could not walk and had little movement in his left front leg. Dr Chao, who was lovely, saw him, xrayed his leg and said he had osteoarthritis and sent him home with Carprofen and Gabapentin. He continued to limp and was lethargic as well, I thought from the medications. I called to ask and they did return my calls. I heard about an injection called Líbrela and gave it to him per Dr Otterson and the tech gave it to him. He continued taking his medications. I ran out of the Gabapentin and called to place an order. 48 hours later, it was still not ready even though their policy was to refill it within that time. I was told when I went in to see if it was ready that everyone was busy, should they stop surgery. Later that day, I had the medicine. Subsequently, a couple of weeks passed and my dog was vomiting, urinating a lot and not eating at all so I called and got an appointment with Dr Chao for April 24 th. My dog would not get out of the car, I later discovered his mobility was failing, and I asked the techs for help. They put a leash on him and pulled him inside. My dog lost 12 pounds in 2.5 weeks and not much was said. Dr Chao gave him an anti nausea shot, a pack on his neck for dehydration and an appetite stimulant and special food. At no time was I told to take him to a hospital to put him on IVS. It was difficult to get him home. My dog never ate another morsel of food and I went out and bought smoked salmon, peanut putter, hamburger, ice cream. He had no interest in food, toys nor me. I called and Dr Otterson called back a couple of hours later and told me to bring him in for a glucose test. I asked her if this could have been a reaction to the líbrela injection and she outright dismissed it saying it was given almost 3 weeks beforehand. I said he had a kidney panel just a few weeks ago and told her now he could not walk and appeared weak. I called and spoke to Dr Otterson who told me to bring him in for a glucose test. I told her about his condition. She did not say to bring him to a hospital with these symptoms b. He refused to look at me and lost interest in everything. At 2am Sunday, hours after my phone call with Dr Otterson, I heard him hyperventilating as if his organs shut down and he was suffocating. I put him in a sheet and took him immediately to an emergency hospital. They came into the car with a stretcher. I could tell my sweet boy was dying and made the painful decision to let him go with me by his side and as peacefully as possible. I never found out what the diagnosis was. Dr Chao did try to call and left a message with speculation and I asked not to call me since I was in such pain after seeing my dog struggle. I wrote an email outlining my concerns and asking for a partial refund since he needed to be euthanized shortly thereafter. No one responded to the email about a refund. I had spent a couple thousand dollars since February, with medications, without a sound diagnosis. Speculation in a diagnosis helps no one, especially the animal. It is my belief that this facility 'failed' my dog. The techs and vets did not seem to like my boy so much. When he was X rayed he had to be sedated even though he came into with a muzzle. One tech mentioned it took 3 of them to do the XRay as if it was a problem. They mentioned countless times that my dog was overweight, which I knew, and when he lost 12 pounds rapidly said nothing. They did send a condolence card. My objective here is to tell about my own personal experience only. I have no opinion on whether you should use this veterinary hospital. It has taken me more than a month to write this review, and I have thought hard about it and believed that for myself but wanted to simply share my own factual experiences. My dog was so loved and I continue to miss him every day. I am grateful to have been there when he passed and that he did not die on his sleep b

I was babysitting my son's dog for three weeks, and he asked if I could take her somewhere to get…read moreher teeth cleaned. I looked on yelp and called about 10 different places to get prices. Grand Animal Hospital was offering a $200 off Dental Cleaning Special. For Grade 1 or 2, the price would be $696.75. For Grade 3 or 4, the price would be $797.75. This price was very reasonable compared to other quotes I received. I made an appointment. The vet examined the dog and determined that it would cost $797.75. This price included an exam, bloodwork, anesthesia, teeth scaling and polishing, pain injection, antibiotic injection, and three different medications to take home. I left her there around 11 am and picked her up around 3 pm. As you can see by these pictures, they did an incredible job! The staff was so nice and answered my many questions. If your pet needs their teeth cleaned, I highly recommend Grand Animal Hospital!

Grand Animal Hospital offers services like prescriptions, checkups, surgeries, and more for…read moreanimals. The location is aesthetically pleasing and feels very welcoming. The staff are friendly and knowledgeable. The doctors are efficient and you can tell they care for the animals they treat. I have been taking my two felines to this location for a couple of months now and I am pleased with the outcome each time. Whenever I request an itinerary or medical records, they provide it quickly. The pricing is also fair when compared to other surrounding veterinary hospitals. If you are looking for a veterinary hospital to take your pet, definitely check out this spot.

I have been coming to Walnut Valley Animal Hospital for almost two years now. Although it's an hour…read moreaway from where I live (two depending on traffic!), I haven't taken my dog to any other vet. My dog is a rescue who is extremely reactive and aggressive at the vet. However, the staff has been so patient and kind. They are truly heroes. You really have to have bravery and grit to handle reactive and aggressive animals, and I'm always amazed by how composed and fearless they are. They do the things I'm scared to do so effortlessly. When I think something is impossible, they show me it's doable. When my dog isn't cooperating and I think it's best to go home, they show me there's another option -- and that it will work out. They answer all my questions. They're honest with me. They don't try to rip me off. They make me smile and laugh even when I'm stressed. They're understanding, kind, and truly the best kind of people -- the kind who genuinely care for every animal they see, reactive or not. They set the standard for how animals should be treated and cared for. From the front desk staff to the techs to the veterinarians, they are all angels who have dedicated their lives to helping not only animals, but their owners too. I will always be grateful for everyone who works here and for how considerate they are with my rescue dog, Burrow. And that's why I'll continue making the long commute -- because I know Burrow and I are in good hands.

The front desk lady is nice enough. The vet tech does not listen. We told the vet tech 5 separate…read moretimes our cat didn't need a vaccine due to it being done a month prior, didn't listen, kept saying information completely incorrect. We asked for flea medication and they completely forgot to even quote us on it. Finally took my animals to the back to do a 15 minute test where the tech said to come back in about 30 minutes and over 50 minutes later we were still waiting for the result on a rapid blood test for FELV and FIV. I have never had to wait this long for my animals to get simple vaccinations in my entire 20 years of owning animals. The entire experience lasted over 2 hours for 3 vaccines. We waited for at least 45 minutes to even be seen when we had an appointment, when it was finally our turn we had to "wait for a room to open up" At the end: when they finally brought my cats back out they brought one out soaked in his own urine because "he's growling and hissing" he has never growled or hissed at anyone before, no other vets, no friends, no strangers. TLDR: Horrible experience, just needed simple vaccines, took over 2 hours, tech doesn't listen or remember anything correctly. Made my cat pee and poop himself.

Super experience Super clean…read moreSuper friendly Super easy Super fast Super helpful Just super

I trusted Chino Hills Animal Hospital with my dog Jax for years, which honestly makes this even…read moreharder to write. Jax had a long history of worsening mobility problems, limping, weakness, pain, trouble standing, and documented masses. In 2024, a cytology sample from a mass came back limited/nondiagnostic, but I was never made to understand that this meant a serious tumor process had not actually been ruled out. Later, Jax underwent surgery for removal of masses, and I eventually learned there was "no way to know" what those masses actually were because definitive histopathology was never completed. Over time, the records continued documenting concerning findings including suspected neoplasia/mass, worsening hind limb weakness, enlarged lymph nodes, mobility decline, and progressive pain. In August 2025, abdominal and hind limb X-rays were performed while Jax was already struggling with worsening weakness and mobility decline. Looking back now, I seriously question whether the underlying tumor process was adequately recognized or escalated at that point. In November 2025, Jax became extremely sick and weak. A lot of the focus appeared directed toward suspected pancreatitis and diabetes management. After seeking a second opinion, another veterinarian documented severe pelvic limb weakness, muscle wasting, neurologic decline, and a large femoral mass. The veterinarian who later performed Jax's euthanasia documented massive tumor-related swelling involving his left pelvic limb and concern for neoplastic disease including possible nerve sheath tumor or sarcoma. What completely haunts me is how Jax died. During his final days, my dog was crying in pain, struggling to move, and suffering in ways I will never forget for the rest of my life. I had to make the devastating decision to euthanize him at home because his condition had progressed so severely that he could no longer walk without suffering. After another veterinarian questioned aspects of the treatment approach and documented the large mass findings, I've requested a refund and tried to get answers regarding how Jax's condition progressed to such a severe state. I never received meaningful clarification from Dr. Dunbar. I have since submitted a Veterinary Medical Board complaint along with supporting medical records, imaging, second-opinion evaluations, and euthanasia documentation for review. Please advocate hard for your pets, request copies of every diagnostic report, and seek second opinions early if something does not feel right.

Our dog started having seizures so we brought her in to see Dr Earnhardt . She is only there on…read moreFridays since retirement. She has been our vet since Lucy was a puppy. She has a friendly bedside manner with our dogs and you can tell she loves her patients. This is a great neighborhood vet I highly recommend !

So far so good. We took our Cat to see about a bleeding paw a week ago as she tore the nail off…read more The exam fee and the bandage fees were both reasonable and I didn't feel like they were pushing services on us. We received a complimentary check up 4 days later to remove the bandage. Overall, the cat services were exemplary and I would recommend this vet for anyone in the area.

I brought my cat to Easy Valley Emergency Pet Clinic while I was extremely distressed and worried,…read moreand from the moment I walked in, I was greeted immediately with kindness and compassion. While I didn't get everyone's names, every staff member I interacted with was so sweet, friendly, and reassuring. It truly gave me a sense of security knowing they genuinely cared and were there to help my cat. Dr. Singh was very helpful, straightforward, and honest throughout the entire visit, which I really appreciated during such a stressful situation. One thing I especially appreciated was how transparent they were with pricing -- they gave quotes for everything, broke down every charge clearly, and provided an itemized receipt at the end. I was met with both good news and bad news, but I'm incredibly grateful that I still got to walk away with my baby. Thank you all so much for your care, compassion, and help during such a difficult time. I would truly recommend this place to anyone needing urgent care for their pet.

Horrible Experience! I wish I could give a 0 or a negative…read morestar review! We brought our 14 years old cat to this "emergency" clinic at 10:20PM. A lady came out not to greet us but told us that they close at 11PM due to new management and this is place is sold to another company. The doctor was seeing the last patient of the day and was referring us to another clinic in Glendora. We told her to please ask the doctor to take a look at our cat. We are willing to pay double the visiting fee. She went in for about 5 minutes and then another gentleman came out and told us the same thing. The clinic was sold and we close at 11PM now, etc. I took out my phone and showed him that it's 10:27PM. He said they wouldn't have enough time to do procedures to our cat. I told him our cat is old and he can't handle that much pressure anymore going to Glendora.. Long story short, this place has last call like some high end restaurant and I'm guessing everyone wants to get off work right at 11PM. Good luck with the "new management last call clinic". Getting off work is their first priority and not saving pets lives!

They are so amazing with my dogs great customer service very professional very clean and they treat…read moreboth of my large dogs wonderful and my dogs love them

Although I was there for a very difficult decision, the staff was incredibly supportive and…read morehelpful. They were gentle with me and took good care of us. I had to say goodbye to my forever soul fur baby and they helped me through it all. I had hope that she would be okay but after discovering she was worse off then when though with confirmed ultrasound we had to say "see you later".

The ladies here at Arc Animal Hospital are amazing! They are sweet, kind, helpful, professional,…read moreand extremely loving towards you and your pet. When our Poncho passed recently, they helped make a very difficult experience much less painful, and sad. My children and I are forever grateful to you all. Thank you so very much.

Was recommended this place from a trusted friend. We were in…read morethe market for a new cat vet after our old specialty cat only vet closed down. Happy to see that Arc provides exceptional care to cats. The experience here is efficient and cost effective. Would recommmend for all your cat needs.