Which plumber does AI say is the best in Van Nuys?
We asked ChatGPT, Claude and Gemini the same question 15 times: “Who is the best plumber in Van Nuys?” Here is exactly who they named, and how often.
Who AI names in Van Nuys (29 businesses named)
12 of 15 questions got a real answer, so every count below is out of 12. One company came up often enough to call it the clear leader. Below that is everyone else AI named too, because in a market this open, showing up even once is worth knowing.
| # | Company | Standing | Named in |
|---|---|---|---|
| 1 | G M C Plumbing, Inc. | Leader | 9 of 12 |
| 2 | True Blue Plumbing & Rooter | Also named | 7 of 12 |
| 3 | THE Water Heater Company | Also named | 5 of 12 |
| 4 | First Thought Plumbing | Also named | 4 of 12 |
| 5 | Kerrygold Plumbing, Inc. | Also named | 4 of 12 |
Don’t see your business on the list? You’re not alone — most Van Nuys plumbers aren’t. That’s exactly why this market is worth checking.
For the business owner
If you run a plumber business in Van Nuys
When a homeowner here asks an AI assistant who to call, they don’t get a page of search results back. They get three or four names, sometimes just one. If your business isn’t one of them, that’s a customer who never saw you and called somebody else.
The market is still open
We found 29 different companies named across just 12 answers, and 17 of those were named only once. Nobody has locked this up.
But the gap compounds
One name already shows up more than any other. The businesses AI already prefers get reinforced every time someone asks again.
Where AI is getting its information
AI doesn’t make these names up. When it recommends a plumber, it’s reading from somewhere else first — a directory, a review site, or the company’s own website. We counted 62 of these source mentions across 28 different websites, and sorted them by what kind of site they are.
- Company websites
- Directories and listing sites
- Review sites
- Forums, video and news
The takeaway: a plumber’s own website is part of what AI reads, and nowhere near all of it. Most of what it repeats about a business here was written somewhere that business does not control.
The sources AI reads here
These are the pages worth being on, in the order AI leaned on them.
- 1angi.com10 mentions · directory
- 2homeadvisor.com7 mentions · directory
- 3kerrygoldplumbing.com4 mentions · company site
- 4aplumbervannuys.com3 mentions · company site
- 5drainsolutionsplumbing.com3 mentions · company site
- 6driptoohardplumbing.com3 mentions · company site
- 7rotorooter.com3 mentions · company site
- 8thewaterheatercompany.com3 mentions · company site
plus 18 more websites accounting for 21 mentions.