24 Hour Fitness

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<title>24 Hour Fitness | Gym in San Jose, CA · reviews &amp; AI Score · Local AI Registry</title>
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# Local AI Registry

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We score every local business the same way and rank them: website, reviews,
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is whether AI can retrieve you at all.

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# 24 Hour Fitness, San Jose: a gym in San Jose (2026 guide)

Source: Local AI Registry, https://localairegistry.com/biz/ca/san-jose/24-hour-fitness-san-jose-ca. Free to reuse with a link back.

By Steve Lee, founder and CEO of Local AI Registry. Fact-checked against 12 sources. Updated 2026-10-23. Owner review: not yet.

Canonical: https://localairegistry.com/biz/ca/san-jose/24-hour-fitness-san-jose-ca

## Photos

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## In short

24 Hour Fitness is a gym in San Jose, CA. Its AI Score is 54 of 100, which is fair.

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 Gemini, Perplexity and ChatGPT are saying, not confirmed by anyone). Every mark points to a reference at the end of this page.


## Key facts

| Fact | Value |
| --- | --- |
| Type | Gym |
| Address | 1825 Hillsdale Ave Ste A, San Jose, CA 95124, USA |
| Hours | Mon to Thu 5 AM to 11 PM · Fri 5 AM to 9 PM · Sat to Sun 6 AM to 8 PM |
| Phone | (408) 723-2639 |
| Owner | Nothing found |
| Rating | 4.3 across 1,113 reviews on Google |
| Known for | 24 Hour Fitness in San Jose is best known for its 24/7 gym access and high intensity interval training classes, making it a convenient choice for fitness enthusiasts. The gym's cleanliness and friendly staff further enhance its appeal. |
| Prices | Nothing found |
| Quietest time | Sunday |
| Parking | Nothing found |
| Last verified | September 15, 2026, 1:14 AM |


## 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 | 1825 Hillsdale Ave Ste A, San Jose, CA 95124, USA | Confirmed | Google Business Profile, checked Aug 25, 2026 |
| Location info | Description | Discover clean, friendly gyms and motivating fitness classes at 24 Hour Fitness. With thousands of square feet of premium strength and cardio equipment, turf zones, lap pools, personal training and more, our gyms are an ideal workout spot to recharge your body and mind. Come visit the gym and add a lift your day. | Confirmed | Google Business Profile, checked Aug 25, 2026 |
| Location info | Hours | Mon to Thu 5:00 AM to 11:00 PM · Fri 5:00 AM to 9:00 PM · Sat to Sun 6:00 AM to 8:00 PM | Confirmed | Google Business Profile, checked Aug 25, 2026 |
| Location info | Name | 24 Hour Fitness | Confirmed | Google Business Profile, checked Aug 25, 2026 |
| Location info | Phone | (408) 723-2639 | Confirmed | Google Business Profile, checked Aug 25, 2026 |
| Hours | Monday | 5:00 AM to 11:00 PM | Confirmed | Google Business Profile, checked Aug 25, 2026 |
| Hours | Tuesday | 5:00 AM to 11:00 PM | Confirmed | Google Business Profile, checked Aug 25, 2026 |
| Hours | Wednesday | 5:00 AM to 11:00 PM | Confirmed | Google Business Profile, checked Aug 25, 2026 |
| Hours | Thursday | 5:00 AM to 11:00 PM | Confirmed | Google Business Profile, checked Aug 25, 2026 |
| Hours | Friday | 5:00 AM to 9:00 PM | Confirmed | Google Business Profile, checked Aug 25, 2026 |
| Hours | Saturday | 6:00 AM to 8:00 PM | Confirmed | Google Business Profile, checked Aug 25, 2026 |
| Hours | Sunday | 6:00 AM to 8:00 PM | Confirmed | Google Business Profile, checked Aug 25, 2026 |
| Services | Service | Alamo | Confirmed | Business website, checked Sep 15, 2026 |
| Services | Service | Altadena | Confirmed | Business website, checked Sep 15, 2026 |
| Services | Service | Antelope | Confirmed | Business website, checked Sep 15, 2026 |
| Services | Service | Antioch | Confirmed | Business website, checked Sep 15, 2026 |
| Services | Service | Apple valley | Confirmed | Business website, checked Sep 15, 2026 |
| Services | Service | Cardio equipment | AI guess | Nothing found |
| Services | Service | Castro valley | Confirmed | Business website, checked Sep 15, 2026 |
| Services | Service | Fitness classes | AI guess | Nothing found |
| Services | Service | Gyms | Confirmed | Business website, checked Sep 15, 2026 |
| Services | Service | Lap pool | AI guess | Nothing found |
| Services | Service | Personal training | AI guess | Nothing found |
| Services | Service | Site maintenance | Confirmed | Business website, checked Sep 15, 2026 |
| Services | Service | Strength training equipment | AI guess | Nothing found |
| Services | Service | Turf zones | AI guess | Nothing found |
| Services | Service | Wrong turn | Confirmed | Business website, checked Sep 15, 2026 |
| Links | Facebook | https://www.facebook.com/109552692417055 | Confirmed | Business website, checked Sep 15, 2026 |
| Links | Instagram | https://www.instagram.com/24hourfitness | Confirmed | Business website, checked Sep 15, 2026 |
| Links | TikTok | https://www.tiktok.com/@24hourfitness | Confirmed | Business website, checked Sep 15, 2026 |
| Links | Website | https://www.24hourfitness.com/gyms/san-jose-ca/hillsdale-super-sport?Adb_id=GGL_LOC_ACQ_CDP | Confirmed | Google Business Profile, checked Aug 25, 2026 |


## Services and prices

These are the 9 services 24 Hour offers, with the price where we have one and where it came from.

| Service | Price | Price mark | Price evidence | Service mark |
| --- | --- | --- | --- | --- |
| Altadena |  |  |  | Confirmed |
| Wrong turn |  |  |  | Confirmed |
| Antelope |  |  |  | Confirmed |
| Site maintenance |  |  |  | Confirmed |
| Antioch |  |  |  | Confirmed |
| Apple valley |  |  |  | Confirmed |
| Castro valley |  |  |  | Confirmed |
| Alamo |  |  |  | Confirmed |
| Gyms |  |  |  | Confirmed |


### Known for

24 Hour Fitness in San Jose is best known for its 24/7 gym access and high intensity interval training classes, making it a convenient choice for fitness enthusiasts. The gym's cleanliness and friendly staff further enhance its appeal.


## The team

Nothing found


## Visiting 24 Hour

Address: 1825 Hillsdale Ave Ste A, San Jose, CA 95124, USA. Phone: (408) 723-2639. Hours: Mon to Thu 5 AM to 11 PM · Fri 5 AM to 9 PM · Sat to Sun 6 AM to 8 PM. (Confirmed, Google Business Profile, checked August 25, 2026 at 6:06 PM.)


### Location info from Google Business Profile

Business description, written by 24 Hour on its Google Business Profile: "Discover clean, friendly gyms and motivating fitness classes at 24 Hour Fitness. With thousands of square feet of premium strength and cardio equipment, turf zones, lap pools, personal training and more, our gyms are an ideal workout spot to recharge your body and mind. Come visit the gym and add a lift your day."


### When to go

Quietest day: Sunday. Busiest day: Tuesday. From the popular times on its Google listing.


### Parking and getting in

Nothing found


### Nearby

| Place | Type | Distance |
| --- | --- | --- |
| Starbucks Coffee Company | Coffee shop | 2 min walk |
| Tacomania | Taco restaurant | 2 min walk |
| Starbucks Coffee Company | Coffee shop | 2 min walk |
| Hillsdale & Camden | Bus stop | 3 min walk |
| Hillsdale & Camden | Bus stop | 3 min walk |
| Besthibachi | Restaurant | 3 min walk |


## Reputation

4.3 average across 1,113 reviews: Google 25. (Confirmed, read August 25, 2026.)

 (AI guess, from 1,113 reviews.)


### What people like

- Cleanliness of the gym


### What people do not like

- Broken equipment
- Dirty locker rooms and bathrooms
- Poor customer service and billing issues


### Press

No press story about 24 Hour found yet.


### Awards

None named yet.


### Directories

Directory listings not read yet.


## Recent updates from 24 Hour

24 Hour hasn't posted an update here yet.


## Questions people ask


### last update from here was when?

No answer yet


### payment plans at 24 Hour, is that a thing?

No answer yet


### same day spots, does that ever happen here

No answer yet


### torn between 24 Hour in San Jose and 24 Hour?

No answer yet


### Coffee near 24 Hour on Hillsdale?

No answer yet


### prices round here, anyone got a number

No answer yet


### reviews all look glowing, what are the real complaints?

No answer yet


### best gym in San Jose

No answer yet


### Booking a first session here, what happens?

No answer yet


### worth it or not, what do the regulars say

No answer yet


### best day to come in if I hate queues

No answer yet


### Is there anywhere cheaper than 24 Hour in San Jose that is still good?

No answer yet


## What AI gets wrong about 24 Hour

We ask Gemini, Perplexity and ChatGPT about 24 Hour. These are the answers that disagree with the record.

ChatGPT and Gemini, read by Local AI Registry on Oct 23, 2026. Perplexity via DataForSEO on Oct 23, 2026.

No capture has disagreed with the record yet.


## The AI Score: 54 of 100

The AI Score measures how likely AI engines are to recommend a business, and how accurately. San Jose gyms run 26 to 58. Fair starts at 45, good at 65. 24 Hour scores 54, above the San Jose average of 44. The same method scores every business on the registry.

| Signal | Weight | Score | What it measures | 24 Hour |
| --- | --- | --- | --- | --- |
| Retrieval grounding | 26 | 50 | 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. | Fair |
| Off-property attestation | 20 | 41 | 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 | 57 | Whether ChatGPT, Gemini, Perplexity, and AI Overviews name you, and whether they name you for the right service. | Named in 27 of 47 answers that recommended anyone. 9 more named nobody, which is not a loss and is not scored. |
| Reviews & response | 12 | 93 | 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 | 66 | Domain authority and editorial quality of the sources that attest to you. | Good |
| Google Business Profile | 8 | 90 | Required and recommended fields; update cadence. The listing AI pulls from first. | Good |
| Speed & mobile | 7 | 27 | Core Web Vitals at the 75th percentile, on a real phone. | Poor |
| Content freshness & schema | 5 | Not read yet | Crawl recency, intent alignment, valid JSON-LD, canonicals. | No reading has come back for this signal yet. |

Full method: https://localairegistry.com/methodology


## How AI decides what to tell you about a gym

When you ask ChatGPT, Gemini or Google about a local business, the AI doesn't visit it. It reads what's already written about it: the business's website, its Google Business Profile, review sites, news stories and directories like this one. Then it repeats what those sources agree on.

That's why AI gets small facts wrong. If Yelp says a place is open Mondays and the website says it isn't, 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 names who helped and what they did tells an AI far more than one that says "great place."


## How to choose a gym in California, with or without AI

A few checks take ten minutes and tell you more than any rating.

- Check that the hours and phone number match on Google, Yelp and the business's own website. Mismatches are how people end up at a locked door.
- Read reviews that name a person and what they did. Vague praise is easy to fake.
- Look for recent reviews and recent posts. A page nobody has touched in a year may not match the business today.
- Ask for the price before you go, and ask what it includes.
- Where the work needs a license, ask whose license it is and look it up with California.


## 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 24 Hour 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 24 Hour |
| --- | --- | --- | --- | --- |
| 24 Hour Fitness | LocalBusiness | #business | https://www.24hourfitness.com/gyms/san-jose-ca/hillsdale-super-sport?Adb_id=GGL_LOC_ACQ_CDP | Subject of this page |
| San Jose, California | City | #city | Nothing found | City 24 Hour 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 gyms in San Jose, linked to the lists and towns around it.


### Lists

- Best gyms in San Jose: https://localairegistry.com/leaderboards/ca/san-jose/gym
- Best businesses in San Jose: https://localairegistry.com/leaderboards/ca/san-jose


### Nearby

- /los-angeles: https://localairegistry.com/leaderboards/ca/los-angeles
- /san-francisco: https://localairegistry.com/leaderboards/ca/san-francisco
- /san-diego: https://localairegistry.com/leaderboards/ca/san-diego
- /irvine: https://localairegistry.com/leaderboards/ca/irvine
- /fresno: https://localairegistry.com/leaderboards/ca/fresno
- /palo-alto: https://localairegistry.com/leaderboards/ca/palo-alto


### 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 24 Hour Fitness. 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:ChIJE_kUDWY0joAR3PBHRxKuV60 (accessed Aug 25, 2026)
- [2] 24hourfitness.com, https://www.24hourfitness.com/error-pages/wrong_turn (accessed Sep 15, 2026)
- [3] 24hourfitness.com, https://www.24hourfitness.com/gyms/altadena-ca (accessed Sep 15, 2026)
- [4] 24hourfitness.com, https://www.24hourfitness.com/gyms/antelope-ca (accessed Sep 15, 2026)
- [5] 24hourfitness.com, https://www.24hourfitness.com/gyms/antioch-ca (accessed Sep 15, 2026)
- [6] 24hourfitness.com, https://www.24hourfitness.com/gyms/apple-valley-ca (accessed Sep 15, 2026)
- [7] 24hourfitness.com, https://www.24hourfitness.com/gyms (accessed Sep 15, 2026)
- [8] 24hourfitness.com, https://www.24hourfitness.com/error-pages/site_maintenance (accessed Sep 15, 2026)
- [9] 24hourfitness.com, https://www.24hourfitness.com/gyms/alamo-ca (accessed Sep 15, 2026)
- [10] 24hourfitness.com, https://www.24hourfitness.com/gyms/castro-valley-ca (accessed Sep 15, 2026)
- [11] AI engine output: ChatGPT and Gemini, read by Local AI Registry on Oct 23, 2026; Perplexity via DataForSEO on Oct 23, 2026, https://localairegistry.com/methodology (accessed Sep 15, 2026)
- [12] 24hourfitness.com, https://www.24hourfitness.com/gyms/san-jose-ca/hillsdale-super-sport?Adb_id=GGL_LOC_ACQ_CDP (accessed Sep 15, 2026)