# Euclid-Walnut Pet Clinic, Ontario: an animal hospital in Ontario (2026 guide) Source: Local AI Registry, https://localairegistry.com/biz/ca/ontario/euclid-walnut-pet-clinic-ontario-ca. Free to reuse with a link back. By Steve Lee, founder and CEO of Local AI Registry. Fact-checked against 2 sources. Updated 2026-09-03. Owner review: not yet. Canonical: https://localairegistry.com/biz/ca/ontario/euclid-walnut-pet-clinic-ontario-ca ## Photos - ![Photo 1](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmtm597eb0dmnye8pfsglypbk%2F0.jpg) - ![Photo 2](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmtm597eb0dmnye8pfsglypbk%2F1.jpg) - ![Photo 3](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmtm597eb0dmnye8pfsglypbk%2F2.jpg) - ![Photo 4](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmtm597eb0dmnye8pfsglypbk%2F3.jpg) - ![Photo 5](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmtm597eb0dmnye8pfsglypbk%2F4.jpg) ## In short Euclid-Walnut Pet Clinic is an animal hospital in Ontario, CA. Its AI Score is 25 of 100, which is poor. Every fact on this page carries one of three marks: Confirmed (from their website, Google Business Profile, review sites, licensing boards, or measured by Local AI Registry), Visitor submitted (added by a person, with a date and how they know), or AI guess (what AI engines like ChatGPT are saying, not confirmed by anyone). Every mark points to a reference at the end of this page. ## Key facts | Fact | Value | | --- | --- | | Type | Animal hospital | | Address | 2521 S Euclid Ave, Ontario, CA 91761, USA | | Hours | Mon to Tue 9:30 AM to 12 PM and 4 AM to 5:30 PM · Closed Wed · Thu to Fri 9:30 AM to 12 PM and 4 AM to 5:30 PM · Sat 9:30 AM to 2 PM · Closed Sun | | Phone | (909) 983-2119 | | Medical director | Nothing found | | Rating | 4.6 across 252 reviews on Google | | Known for | Euclid-Walnut Pet Clinic excels in providing affordable veterinary care and emergency services, making it a preferred choice for pet owners in Ontario. Their compassionate staff and reasonable pricing further enhance their reputation. | | Prices | Nothing found | | Quietest time | Nothing found | | Parking | Nothing found | | Last verified | September 19, 2026, 1:15 PM | ## All the details Every row is something the owner can add or correct. Each one is marked Confirmed, Visitor submitted or AI guess, with where it came from. | Group | Fact | Value | Mark | Evidence | | --- | --- | --- | --- | --- | | Location info | Address | 2521 S Euclid Ave, Ontario, CA 91761, USA | Confirmed | Google Business Profile, checked Sep 3, 2026 | | Location info | Description | 2521 S Euclid Ave, Ontario, CA 91761 | Confirmed | Google Business Profile, checked Sep 3, 2026 | | Location info | Hours | Mon to Tue 9:30 AM to 12:00 PM, 4:00 to 5:30 PM · Wed Closed · Thu to Fri 9:30 AM to 12:00 PM, 4:00 to 5:30 PM · Sat 9:30 AM to 2:00 PM · Sun Closed | Confirmed | Google Business Profile, checked Sep 3, 2026 | | Location info | Mondays | 9:30 AM to 12:00 PM, 4:00 to 5:30 PM | Confirmed | Google Business Profile, checked Sep 3, 2026 | | Location info | Name | Euclid-Walnut Pet Clinic | Confirmed | Google Business Profile, checked Sep 3, 2026 | | Location info | Phone | (909) 983-2119 | Confirmed | Google Business Profile, checked Sep 3, 2026 | | Hours | Monday | 9:30 AM to 12:00 PM and 4:00 AM to 5:30 PM | Confirmed | Google Business Profile, checked Sep 3, 2026 | | Hours | Tuesday | 9:30 AM to 12:00 PM and 4:00 AM to 5:30 PM | Confirmed | Google Business Profile, checked Sep 3, 2026 | | Hours | Wednesday | Closed | Confirmed | Google Business Profile, checked Sep 3, 2026 | | Hours | Thursday | 9:30 AM to 12:00 PM and 4:00 AM to 5:30 PM | Confirmed | Google Business Profile, checked Sep 3, 2026 | | Hours | Friday | 9:30 AM to 12:00 PM and 4:00 AM to 5:30 PM | Confirmed | Google Business Profile, checked Sep 3, 2026 | | Hours | Saturday | 9:30 AM to 2:00 PM | Confirmed | Google Business Profile, checked Sep 3, 2026 | | Hours | Sunday | Closed | Confirmed | Google Business Profile, checked Sep 3, 2026 | | Services | Service | Dental care for pets | AI guess | Nothing found | | Services | Service | Emergency pet care | AI guess | Nothing found | | Services | Service | Pet surgery | AI guess | Nothing found | | Services | Service | Vaccinations | AI guess | Nothing found | | Services | Service | Veterinary check-ups | AI guess | Nothing found | | Links | Website | https://euclidwalnutclinic.wixsite.com/petclinic | Confirmed | Google Business Profile, checked Sep 3, 2026 | ## Services and prices Services not read yet, back on Scan Day. ### Known for Euclid-Walnut Pet Clinic excels in providing affordable veterinary care and emergency services, making it a preferred choice for pet owners in Ontario. Their compassionate staff and reasonable pricing further enhance their reputation. ## The team Nothing found ## Visiting Euclid-Walnut Pet Address: 2521 S Euclid Ave, Ontario, CA 91761, USA. Phone: (909) 983-2119. Hours: Mon to Tue 9:30 AM to 12 PM and 4 AM to 5:30 PM · Closed Wed · Thu to Fri 9:30 AM to 12 PM and 4 AM to 5:30 PM · Sat 9:30 AM to 2 PM · Closed Sun. (Confirmed, Google Business Profile, checked September 3, 2026 at 4:16 PM.) ### Location info from Google Business Profile Business description, written by Euclid-Walnut Pet on its Google Business Profile: "2521 S Euclid Ave, Ontario, CA 91761" ### When to go Busy times not read yet, back on Scan Day. ### Parking and getting in Nothing found ### Nearby | Place | Type | Distance | | --- | --- | --- | | Jia Express Catering | Restaurant | 1 min walk | | N8's Billiards | Sports complex | 1 min walk | | Del Taco | Fast food restaurant | 1 min walk | | Euclid @ Walnut | Bus stop | 1 min walk | | Michael Angelo's Pizza | Pizza restaurant | 2 min walk | | 7-Eleven | Convenience store | 2 min walk | ## Reputation 4.6 average across 252 reviews: Google 25. (Confirmed, read September 3, 2026.) (AI guess, from 252 reviews.) ### What people like - Affordable pricing for services - Quick service on certain visits ### What people do not like - Long waits past the appointment time - Unresponsive front desk staff - Inhumane treatment during euthanasia ### Press No press story about Euclid-Walnut Pet found yet. ### Awards None named yet. ### Directories Directory listings not read yet. ## Recent updates from Euclid-Walnut Pet Euclid-Walnut Pet hasn't posted an update here yet. ## Questions people ask ### pain wise, what is it like here No answer yet ### reviews all look glowing, what are the real complaints? No answer yet ### who is actually holding the needle at Euclid-Walnut Pet? No answer yet ### Euclid-Walnut Pet, any chance to book in this week? No answer yet ### never been to Euclid-Walnut Pet in Ontario, how does it go? No answer yet ### best animal hospital in Ontario No answer yet ### is there a rewards thing at Euclid-Walnut Pet No answer yet ### Whereabouts is this place? No answer yet ### going rate for hospitals locally, any idea No answer yet ### how rough is the follow up at Euclid-Walnut Pet? No answer yet ### torn between this place and Ontario Veterinary? No answer yet ### Wednesdays at Euclid-Walnut Pet, are they open? No answer yet ### worth it or not, what do the regulars say No answer yet ### Are the hours on Google right for Euclid-Walnut Pet? No answer yet ### what has Euclid-Walnut Pet posted recently, I am not on Instagram No answer yet ### Turning up here for the first time, what happens? No answer yet ### cheaper than this place in Ontario without it being sketchy? No answer yet ## What AI gets wrong about Euclid-Walnut Pet We ask ChatGPT about Euclid-Walnut Pet. These are the answers that disagree with the record. ChatGPT, read by Local AI Registry on Sep 3, 2026. No capture has disagreed with the record yet. ## The AI Score: 25 of 100 The AI Score measures how likely AI engines are to recommend a business, and how accurately. Ontario animal hospitals run 23 to 52. Fair starts at 45, good at 65. Euclid-Walnut Pet scores 25, below the Ontario average of 38. The same method scores every business on the registry. | Signal | Weight | Score | What it measures | Euclid-Walnut Pet | | --- | --- | --- | --- | --- | | Retrieval grounding | 26 | 0 | Whether you appear in the ranked results AI retrieves and cites: AI-Overview citations, organic top-10 for your money queries, and the Bing index ChatGPT leans on. | Poor | | Off-property attestation | 20 | 42 | Volume and consistency of what others say about you: YouTube mentions, branded web mentions, third-party “best-of” lists. The cause of retrievability. | Poor | | AI visibility | 14 | 0 | Whether ChatGPT, Gemini, Perplexity, and AI Overviews name you, and whether they name you for the right service. | Nobody at all was recommended in the 1 answer we hold, so there is nothing to score. | | Reviews & response | 12 | 72 | The star average is only one input. We also read volume, velocity, the specificity of review language, and response cadence. Specific reviews are what AI quotes verbatim. | Good | | Backlink & citation authority | 8 | 43 | Domain authority and editorial quality of the sources that attest to you. | Poor | | Google Business Profile | 8 | 90 | Required and recommended fields; update cadence. The listing AI pulls from first. | Good | | Speed & mobile | 7 | 45 | Core Web Vitals at the 75th percentile, on a real phone. | Fair | | Content freshness & schema | 5 | 74 | Crawl recency, intent alignment, valid JSON-LD, canonicals. | Good | Full method: https://localairegistry.com/methodology ## How AI decides what to tell you about an animal hospital When you ask ChatGPT, Gemini or Google for a med spa, the AI does not visit each business. It reads what is already written about it: the business website, its Google Business Profile, review sites like Yelp and RealSelf, news stories, licensing boards and directories like this one. Then it repeats what those sources agree on. That is why AI gets small facts wrong. If Yelp says a place is open Mondays and the website says it is not, the AI has to pick one. The table above shows the answers that disagree with the record today. The more sources agree, and the more specific they are, the more confidently AI recommends a business. A review that says "the nurse did half a syringe in my lips and it looks natural" is far more useful to an AI than one that says "great place." ## How to choose an animal hospital in California, with or without AI A few checks take ten minutes and matter more than any rating. This is general information, not medical advice. - Look up every injector. Doctors are listed by the California medical board, and nurses and nurse practitioners by its nursing board. Both lookups are free. - Ask who does the injections, and check that person's license. - Ask for the price per unit of Botox and per syringe of filler, not per area. - Read reviews that name a provider and a treatment. Vague praise is easy to fake. - Check that the hours and phone number match on Google, Yelp and the website. Mismatches are how people end up at a locked door. - Ask whether they dissolve filler and when they would tell you not to add more. ## How to read the marks on this page - Confirmed (solid circle): from a known source. The business website, its Google Business Profile, review sites like Yelp, Healthgrades and RealSelf, a licensing board, or measured by Local AI Registry. - Visitor submitted (hollow circle): added or corrected by a person, with the date and how they know, like a phone call or a visit. - AI guess (hollow triangle): what AI engines are saying right now. Nobody has confirmed it. ## About the author Steve Lee is the founder and CEO of Local AI Registry and sets its editorial standards. He is a former Google executive in Search and a former Microsoft executive, with more than 20 years in digital: search, local discovery, and how people find businesses online. He is based in Irvine. - Expertise: search at Google and Microsoft, AI search, answer engine optimization, generative engine optimization, local SEO, structured data and entity mapping. - Industry: medical aesthetics, injectables, med spa operations and marketing. - Disclosure: Local AI Registry sells services to business owners, including Euclid-Walnut Pet if it claims this page. That does not change what this page says. Every fact carries its source. ## Entity map Every person, place, organization and treatment named on this page, with a stable ID and a public reference. The JSON-LD below connects them to each other. | Entity | Type | ID on this page | Same as | Relationship to Euclid-Walnut Pet | | --- | --- | --- | --- | --- | | Euclid-Walnut Pet Clinic | MedicalBusiness | #business | https://euclidwalnutclinic.wixsite.com/petclinic | Subject of this page | | Ontario, California | City | #city | Nothing found | City Euclid-Walnut Pet is in | | Local AI Registry | Organization | #publisher | https://localairegistry.com | Publisher of this page | | Steve Lee | Person | #author | https://localairegistry.com/team | Author of this page | ## Topical map Where this page sits in the registry. It's one profile among the animal hospitals in Ontario, linked to the lists and towns around it. ### Lists - Best animal hospitals in Ontario: https://localairegistry.com/leaderboards/ca/ontario/animal-hospital - Best businesses in Ontario: https://localairegistry.com/leaderboards/ca/ontario ### Nearby - /los-angeles: https://localairegistry.com/leaderboards/ca/los-angeles - /san-francisco: https://localairegistry.com/leaderboards/ca/san-francisco - /san-jose: https://localairegistry.com/leaderboards/ca/san-jose - /san-diego: https://localairegistry.com/leaderboards/ca/san-diego - /irvine: https://localairegistry.com/leaderboards/ca/irvine - /fresno: https://localairegistry.com/leaderboards/ca/fresno ### Every list - Every leaderboard in California: https://localairegistry.com/leaderboards/ca ## Frequently asked questions ### What is AI search optimization for local business? Getting a business named when a neighbor asks ChatGPT, Gemini, or Perplexity for a recommendation. Some call it AI SEO, some call it generative engine optimization. Traditional SEO fights for ten blue links; this fights for the one answer an assistant says out loud. The AI Score on this page measures the eight signals that drive it. ### What is Local AI Registry? The public record of how AI sees local business. We score every business we list by one published method, we keep the questions people ask about it in one place, and we never sell rank. Looking up any business here is free. ### How does this page help a business get recommended by AI? Assistants read public pages before they answer. This one states what the business does, what people ask about it, and what the Record answers, in one place a machine can read. Correcting what is wrong here changes what an assistant repeats next. ### Who writes the answers here? Registry AI writes the first answer under every question, from the Record and the public sources named beneath it. Neighbors write the rest under pseudonyms. A registered owner can reply as the business, and their reply says so. ### I own Euclid-Walnut Pet Clinic. How do I fix something or rank higher? Register the page. It is free, it takes about five minutes, and it lets you correct the Record and reply as the business. Nothing on this page is for sale, so the only thing that moves the score is the work. ## References ### Sources cited - [1] Google Business Profile, https://www.google.com/maps/place/?q=place_id:ChIJo1eFwV0zw4ARb73ATviYQOI (accessed Sep 3, 2026) - [2] AI engine output: ChatGPT, read by Local AI Registry on Sep 3, 2026, https://localairegistry.com/methodology (accessed Sep 19, 2026)