Local AI Visibility Index · Tacoma, WA

Which plumbers does AI recommend in Tacoma?

Across 186 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.

As of 2026-10-3013 measurement runs99% naming density

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.

  1. 1Bob Larson Plumbing21

    named in 143 answers · 3 engines

  2. 2Spartan Plumbing Services13

    named in 86 answers · 3 engines

  3. 3Harts Plumbers10

    named in 66 answers · 3 engines

  4. 4Drain Pro Plumbing Inc8

    named in 53 answers · 2 engines

  5. 5Anthony the Plumber7

    named in 49 answers · 3 engines

  6. 6At Your Service Plumbing6

    named in 42 answers · 2 engines

  7. 7Harts Services6

    named in 39 answers · 3 engines

  8. 8Mr. Rooter Plumbing of Tacoma5

    named in 34 answers · 4 engines

  9. 9Scottco Plumbing and Drain Service4

    named in 25 answers · 3 engines

  10. 10Hunt’s Services3

    named in 22 answers · 3 engines

Where these answers came from

The domains the engines cited to ground their Tacoma plumbing company recommendations, by number of answers citing them.

homeadvisor.com105serviceagent.ai104angi.com89boblarsonplumbing.com76expertise.com66hartsservices.com63thumbtack.com56reddit.com50washingtoncontractors.org46bestprosintown.com41

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 13 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): Radveo, Local AI Visibility Index, plumbers in Tacoma, WA, 2026-10-30.

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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.