Is your plumber in Los Angeles findable by AI?

We asked ChatGPT, Gemini, Perplexity and Claude who the best plumber in Los Angeles is — the way a real customer would. Then we checked 8 real, currently-operating plumber businesses in Los Angeles against every answer.

4/8never named by any assistant

50%miss rate in this sample

2real answers shown below

0businesses assistants do name

The receipts

What the assistants actually said

Verbatim, from a real query run August 21, 2026. Ask the same question yourself and you'll see something very similar.

Perplexity

Asked: I need a plumber in Los Angeles. Who are the best ones? List specific business names only, one per line.

John’s Plumbing & Drain Services Roto-Rooter Plumbing & Water Cleanup Beach Plumbing Power Pro Plumbing Heating & Air Advantage Plumbing & Rooter Pacific Plumbing Team Sal’s Plumbing Mike Diamond Plumbing

Perplexity

Asked: Who is the most recommended plumber in Los Angeles right now? Give a short ranked list of real business names, one per line.

Red Lilly Plumbing John’s Plumbing & Drain Services Pacific Plumbing Team Power Pro Plumbing Heating & Air Roto-Rooter Plumbing & Water Cleanup

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