One Union Recording Studios

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<title>One Union Recording Studios · reviews &amp; AI Score · Local AI Registry</title>
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# One Union Recording Studios, San Francisco: a recording studio in San Francisco (2026 guide)

Source: Local AI Registry, https://localairegistry.com/biz/ca/san-francisco/one-union-recording-studios-san-francisco-ca. Free to reuse with a link back.

By Steve Lee, founder and CEO of Local AI Registry. Fact-checked against 9 sources. Updated 2026-08-11. Owner review: not yet.

Canonical: https://localairegistry.com/biz/ca/san-francisco/one-union-recording-studios-san-francisco-ca

## Photos

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## In short

One Union Recording Studios is a recording studio in San Francisco, CA. Its AI Score is 26 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 Gemini 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 | Recording studio |
| Address | 1 Union St #240, San Francisco, CA 94111, USA |
| Hours | Mon to Fri 9 AM to 6 PM · Closed Sat to Sun |
| Phone | (415) 675-7477 |
| Owner | Nothing found |
| Rating | 4.9 across 17 reviews on Google |
| Known for | One Union Recording Studios excels in sound mixing and recording services, providing a creative and professional environment that enhances the audio production experience. |
| Prices | Nothing found |
| Quietest time | Nothing found |
| Parking | Nothing found |
| Last verified | September 18, 2026, 4:32 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 | 1 Union St #240, San Francisco, CA 94111, USA | Confirmed | Google Business Profile, checked Aug 11, 2026 |
| Location info | Description | In the heart of San Francisco, One Union Recording Studios offers an unrivaled ambiance for audio post-production. Renowned for pristine acoustics and state-of-the-art equipment, their team of audio experts provides meticulous attention to detail, guaranteeing an immersive journey through the realm of sound. Whether it's precise ADR, a captivating mix, or the cutting-edge Dolby ATMOS experience, One Union's creative environment fosters an extraordinary fusion of art and technology, capturing the essence of each project with unparalleled finesse. | Confirmed | Google Business Profile, checked Aug 11, 2026 |
| Location info | Hours | Mon to Fri 9:00 AM to 6:00 PM · Sat to Sun Closed | Confirmed | Google Business Profile, checked Aug 11, 2026 |
| Location info | Name | One Union Recording Studios | Confirmed | Google Business Profile, checked Aug 11, 2026 |
| Location info | Phone | (415) 675-7477 | Confirmed | Google Business Profile, checked Aug 11, 2026 |
| Hours | Monday | 9:00 AM to 6:00 PM | Confirmed | Google Business Profile, checked Aug 11, 2026 |
| Hours | Tuesday | 9:00 AM to 6:00 PM | Confirmed | Google Business Profile, checked Aug 11, 2026 |
| Hours | Wednesday | 9:00 AM to 6:00 PM | Confirmed | Google Business Profile, checked Aug 11, 2026 |
| Hours | Thursday | 9:00 AM to 6:00 PM | Confirmed | Google Business Profile, checked Aug 11, 2026 |
| Hours | Friday | 9:00 AM to 6:00 PM | Confirmed | Google Business Profile, checked Aug 11, 2026 |
| Hours | Saturday | Closed | Confirmed | Google Business Profile, checked Aug 11, 2026 |
| Hours | Sunday | Closed | Confirmed | Google Business Profile, checked Aug 11, 2026 |
| Services | Service | ADR recording | AI guess | Nothing found |
| Services | Service | Andy greenberg | Confirmed | Business website, checked Sep 18, 2026 |
| Services | Service | Audio mixing | AI guess | Nothing found |
| Services | Service | Audio post-production | AI guess | Nothing found |
| Services | Service | Dan jensen | Confirmed | Business website, checked Sep 18, 2026 |
| Services | Service | Dolby ATMOS mixing | AI guess | Nothing found |
| Services | Service | Joaby reel | Confirmed | Business website, checked Sep 18, 2026 |
| Services | Service | Joel hopper | Confirmed | Business website, checked Sep 18, 2026 |
| Services | Service | Matt wood | Confirmed | Business website, checked Sep 18, 2026 |
| Services | Service | People | Confirmed | Business website, checked Sep 18, 2026 |
| Services | Service | Studios | Confirmed | Business website, checked Sep 18, 2026 |
| Links | Facebook | https://facebook.com/oneunionrecording | AI guess | Our record |
| Links | Website | https://oneunionrecording.com/ | Confirmed | Google Business Profile, checked Aug 11, 2026 |


## Services and prices

These are the 7 services One Union offers, with the price where we have one and where it came from.

| Service | Price | Price mark | Price evidence | Service mark |
| --- | --- | --- | --- | --- |
| Joel hopper |  |  |  | Confirmed |
| Dan jensen |  |  |  | Confirmed |
| Andy greenberg |  |  |  | Confirmed |
| Joaby reel |  |  |  | Confirmed |
| Matt wood |  |  |  | Confirmed |
| People |  |  |  | Confirmed |
| Studios |  |  |  | Confirmed |


### Known for

One Union Recording Studios excels in sound mixing and recording services, providing a creative and professional environment that enhances the audio production experience.


## The team

Nothing found


## Visiting One Union

Address: 1 Union St #240, San Francisco, CA 94111, USA. Phone: (415) 675-7477. Hours: Mon to Fri 9 AM to 6 PM · Closed Sat to Sun. (Confirmed, Google Business Profile, checked August 11, 2026 at 2:42 PM.)


### Location info from Google Business Profile

Business description, written by One Union on its Google Business Profile: "In the heart of San Francisco, One Union Recording Studios offers an unrivaled ambiance for audio post-production. Renowned for pristine acoustics and state-of-the-art equipment, their team of audio experts provides meticulous attention to detail, guaranteeing an immersive journey through the realm of sound. Whether it's precise ADR, a captivating mix, or the cutting-edge Dolby ATMOS experience, One Union's creative environment fosters an extraordinary fusion of art and technology, capturing the essence of each project with unparalleled finesse."


### When to go

Busy times not read yet, back on Scan Day.


### Parking and getting in

Nothing found


### Nearby

| Place | Type | Distance |
| --- | --- | --- |
| SAIGONESE CAFÉ | Cafe | 1 min walk |
| Metropolis | Parking garage | 1 min walk |
| Sea Wall Lot | Park | 1 min walk |
| Motorcycle Parking Metered Spots 2 | Parking | 2 min walk |
| levi strauss building parking | Park | 2 min walk |
| Tom Rosenfield Memorial Patio @ Mindjet | Park | 2 min walk |


## Reputation

4.9 average across 17 reviews: Google 17. (Confirmed, read August 11, 2026.)

One Union Recording Studios stands out for its professional staff and well-maintained facilities that foster creativity. (AI guess, from 17 reviews.)


### What people like

- Knowledgeable and professional staff
- Positive and creative atmosphere
- Well-kept facilities


### What people do not like

Nothing found


### Press

No press story about One Union found yet.


### Awards

None named yet.


### Directories

Directory listings not read yet.


## Recent updates from One Union

One Union hasn't posted an update here yet.


## Questions people ask


### people keep recommending One Union, what for?

No answer yet


### points or member pricing at One Union, worth signing up?

No answer yet


### best recording studio in San Francisco

No answer yet


### is Hyde Street any better

No answer yet


### Are the hours on Google right for One Union in San Francisco?

No answer yet


### Ballpark for a visit to a studio in San Francisco?

No answer yet


### What recording studio questions is San Francisco asking AI most?

No answer yet


### do I need to book this place or can I just turn up?

No answer yet


### Somewhere to park near One Union?

No answer yet


### last update from here was when?

No answer yet


### anyone tell me what a first visit here involves

No answer yet


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

No answer yet


### Saturdays at One Union, are they open?

No answer yet


### killing time on Union, any ideas

No answer yet


### services here, what do people go in for?

No answer yet


### anywhere cheaper than this place in San Francisco that is still good?

No answer yet


### the good stuff about One Union, what is it?

No answer yet


## What AI gets wrong about One Union

We ask Gemini and ChatGPT about One Union. These are the answers that disagree with the record.

ChatGPT and Gemini, read by Local AI Registry on Aug 11, 2026.

No capture has disagreed with the record yet.


## The AI Score: 26 of 100

The AI Score measures how likely AI engines are to recommend a business, and how accurately. San Francisco recording studios run 23 to 60. Fair starts at 45, good at 65. One Union scores 26, below the San Francisco average of 36. The same method scores every business on the registry.

| Signal | Weight | Score | What it measures | One Union |
| --- | --- | --- | --- | --- |
| 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 | 40 | 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. | Named in 0 of 1 answer that recommended anyone. 1 more named nobody, which is not a loss and is not scored. |
| Reviews & response | 12 | 75 | 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 | 60 | Domain authority and editorial quality of the sources that attest to you. | Fair |
| Google Business Profile | 8 | 79 | Required and recommended fields; update cadence. The listing AI pulls from first. | Good |
| Speed & mobile | 7 | 54 | Core Web Vitals at the 75th percentile, on a real phone. | Fair |
| Content freshness & schema | 5 | 54 | Crawl recency, intent alignment, valid JSON-LD, canonicals. | Fair |

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


## How AI decides what to tell you about a recording studio

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 recording studio 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 One Union 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 One Union |
| --- | --- | --- | --- | --- |
| One Union Recording Studios | LocalBusiness | #business | https://oneunionrecording.com/ | Subject of this page |
| San Francisco, California | City | #city | Nothing found | City One Union 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 recording studios in San Francisco, linked to the lists and towns around it.


### Lists

- Best recording studios in San Francisco: https://localairegistry.com/leaderboards/ca/san-francisco/recording-studio
- Best businesses in San Francisco: https://localairegistry.com/leaderboards/ca/san-francisco


### Nearby

- /los-angeles: https://localairegistry.com/leaderboards/ca/los-angeles
- /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
- /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 One Union Recording Studios. 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:ChIJ-UlLUl-AhYAR5r9k-e2spXA (accessed Aug 11, 2026)
- [2] oneunionrecording.com, https://www.oneunionrecording.com/joel-hopper (accessed Sep 18, 2026)
- [3] oneunionrecording.com, https://www.oneunionrecording.com/matt-wood (accessed Sep 18, 2026)
- [4] oneunionrecording.com, https://www.oneunionrecording.com/people (accessed Sep 18, 2026)
- [5] oneunionrecording.com, https://www.oneunionrecording.com/studios (accessed Sep 18, 2026)
- [6] oneunionrecording.com, https://www.oneunionrecording.com/dan-jensen (accessed Sep 18, 2026)
- [7] oneunionrecording.com, https://www.oneunionrecording.com/andy-greenberg (accessed Sep 18, 2026)
- [8] oneunionrecording.com, https://www.oneunionrecording.com/joaby-reel (accessed Sep 18, 2026)
- [9] AI engine output: ChatGPT and Gemini, read by Local AI Registry on Aug 11, 2026, https://localairegistry.com/methodology (accessed Sep 18, 2026)