Local AI Visibility Index · Tacoma, WA
Which plumbers does AI recommend in Tacoma?
Across 77 answers from real AI assistants asked for the best plumbing company in Tacoma, these are the businesses AI named most. The AI Visibility Score is each business's share of AI's attention in this market. It measures what AI actually said, not what we think it should say.
Who AI recommends
Ranked by how many AI answers named each business. The AI Visibility Score bar shows its share of the market's AI attention.
- 1Bob Larson Plumbing20
named in 56 answers · 3 engines
- 2Spartan Plumbing Inc14
named in 39 answers · 3 engines
- 3Anthony the Plumber10
named in 27 answers · 3 engines
- 4Harts Plumbers10
named in 27 answers · 2 engines
- 5Drain Pro Plumbing Inc8
named in 23 answers · 2 engines
- 6Mr. Rooter Plumbing of Tacoma8
named in 23 answers · 4 engines
- 7Scottco Plumbing and Drain Service8
named in 22 answers · 3 engines
- 8At Your Service Plumbing6
named in 17 answers · 2 engines
- 9Harts Services5
named in 13 answers · 2 engines
- 10Hunt’s Services4
named in 12 answers · 2 engines
Where these answers came from
The domains the engines cited to ground their Tacoma plumbing company recommendations, by number of answers citing them.
Method and caveats
We asked web-grounded AI assistants the questions a real customer asks about plumbers in Tacoma, with no business of our own in the prompt, across 5 measurement runs. A business earns a position only after AI named it in more than one answer. An engine that failed to answer was omitted, never counted as a miss.
Caveats: AI answers vary run to run; this describes Tacoma, WA over this window, nothing more; the AI Visibility Score is a measured share of attention, not an endorsement or a guarantee of quality. Figures update as coverage grows.
Cite freely with attribution (CC BY 4.0): GBPmonster, Local AI Visibility Index, plumbers in Tacoma, WA, 2026-09-20.
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Why Tacoma
Tacoma is a dense South Sound market in Seattle's shadow, where local intent is high and the businesses that show up first win the call.