Who are the best plumbers in Los Angeles, California according to AI?

Across 12 live AI answers, the most-named are: Red Lilly Plumbing, Pacific Plumbing Team, Ask About Permits (LADBS).

How does AI decide which plumbers to recommend in Los Angeles, California?

AI engines synthesise review sites, directories, local press and community threads. Businesses named most often gain the most visibility — it measures visibility, not quality.

AI Thinks That

What AI actually recommends — captured, ranked, kept honest.

← Los Angeles City Guide · plumbers · snapshot 2026-10-07

Who are the best plumbers in Los Angeles?

AI thinks that the top 10 plumbers in Los Angeles are…

How it works

We asked every big AI at once the same buyer questions, verbatim. Here’s what they actually said — the Top 10, and all 64 they named.

Top 10

#	Business	Named	Named by
1	Red Lilly Plumbing	7×	ChatGPT, Google AI, Perplexity
2	Pacific Plumbing Team	4×	ChatGPT, Claude, Google AI
3	Ask About Permits (LADBS)	3×	Claude, Google AI
4	Boss Plumbing	3×	Google AI
5	C-36 Plumbing Contractor License	3×	Google AI, Perplexity
6	Coast Plumbing	3×	ChatGPT, Claude
7	John’s Plumbing & Drain Services	3×	ChatGPT, Google AI
8	JW Plumbing, Heating and Air	3×	Perplexity
9	Moe Plumbing Services (H.L. Moe Co., Inc.)	3×	Google AI
10	Total Service Plumbing	3×	ChatGPT

Full ranking (64)

#	Business	Named	Named by
1	Red Lilly Plumbing	7×	ChatGPT, Google AI, Perplexity
2	Pacific Plumbing Team	4×	ChatGPT, Claude, Google AI
3	Ask About Permits (LADBS)	3×	Claude, Google AI
4	Boss Plumbing	3×	Google AI
5	C-36 Plumbing Contractor License	3×	Google AI, Perplexity
6	Coast Plumbing	3×	ChatGPT, Claude
7	John’s Plumbing & Drain Services	3×	ChatGPT, Google AI
8	JW Plumbing, Heating and Air	3×	Perplexity
9	Moe Plumbing Services (H.L. Moe Co., Inc.)	3×	Google AI
10	Total Service Plumbing	3×	ChatGPT
11	A‑1 Total Service Plumbing	2×	ChatGPT, Perplexity
12	Burris Brothers Plumbing & Heating	2×	Claude
13	California Contractors State License Board (CSLB)	2×	Claude, Google AI
14	Coast to Coast Plumbing	2×	ChatGPT, Claude
15	DX Plumbing	2×	ChatGPT
16	Leading Edge Plumbing & Rooter	2×	Google AI
17	Liberty Plumbing	2×	ChatGPT
18	Moe Plumbing	2×	Google AI
19	Monkey Wrench Plumbing, Heating & Air	2×	Google AI
20	Nautilus Plumbing	2×	ChatGPT
21	Roto-Rooter Los Angeles	2×	Perplexity
22	Service Champions Plumbing	2×	ChatGPT
23	Tony's Plumbing	2×	Claude
24	Additional Trusted Listings	1×	ChatGPT
25	Airtasker Los Angeles	1×	Perplexity
26	Angi (formerly Angie's List)	1×	Claude
27	BBB (Better Business Bureau)	1×	Claude
28	BBB-accredited plumbers	1×	Perplexity
29	Beware of Commission-Based Techs	1×	Google AI
30	California C‑36 plumbing license	1×	ChatGPT
31	Check City Permitting Requirements	1×	Google AI
32	Check for specialties	1×	Claude
33	Check licensing first	1×	Claude
34	Choosing the Right Plumber for Your Needs	1×	ChatGPT
35	Expertise’s Los Angeles listings	1×	Perplexity
36	Five Stars Plumbing	1×	Perplexity
37	Full HVAC	1×	Google AI
38	G M C Plumbing	1×	Claude
39	Georgie Plumbing	1×	ChatGPT
40	GMC Plumbing	1×	ChatGPT
41	Historic or complex work (e.g., old homes, gas systems)	1×	ChatGPT
42	Infinity Plumbing	1×	Perplexity
43	Inquire About Flat-Rate vs. Hourly	1×	Google AI
44	LA Tamix Plumbing	1×	ChatGPT
45	Licensing verification	1×	Claude
46	Local plumbing provider	1×	Perplexity
47	Location Matters (LA Traffic Factor)	1×	Google AI
48	Lords of Plumbing	1×	Claude
49	Online review platforms	1×	Claude
50	Power Pro Plumbing	1×	ChatGPT
51	Red flags to avoid	1×	Claude
52	Request Upfront Estimates	1×	Google AI
53	Request Video Camera Diagnostics for Drains	1×	Google AI
54	Rooter Guard	1×	Perplexity
55	Rooter Plumbing	1×	ChatGPT
56	Sal’s Plumbing	1×	Perplexity
57	Specialties	1×	Google AI
58	Tony’s Plumbing (Tony’s Plumbing, Inc.)	1×	ChatGPT
59	Twin Home Experts	1×	Claude
60	Use trusted review platforms	1×	Claude
61	Verify CSLB Licensing	1×	Google AI
62	Western Rooter & Plumbing	1×	ChatGPT
63	Why call them	1×	Google AI
64	Why They Stand Out	1×	Google AI

How this list was made

When2026-10-07 — a single snapshot. Engines5 queried; returned answers: ChatGPT, Claude, Google AI, Perplexity. Prompts3 buyer questions, asked verbatim; every engine got all. Answers12 captured verbatim (engine + timestamp), nothing edited. Rankingby number of mentions across all answers; ties broken by engines naming it. Mentions ≠ quality. Coverage64 businesses named in total. Independencenothing bought or placed; Memeador is not in the ranking.

Prompts asked

“Who are the best plumbers in Los Angeles, California?”
“Can you recommend a good plumber near Los Angeles, California?”
“I'm looking for a good plumber in Los Angeles, California. Who should I call, and why?”

Is your business on the list?

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These scores are live — click any business to see how often AI named it over time; click again to close.