The Most Recommended Plumbers in Seattle — Measured on Leading AI Assistants
This Seattle edition started from 64 verified local plumbers. We then asked leading AI assistants — 4 different ways, 4 checks in July 2026 — and wrote down every company it recommended.
What came back was narrow: 18 named companies out of 64 verified, and a tie at the top — Best Plumbing and Seatown Electric Plumbing Heating and Air, named in all 4 checks.
I Need A Plumber Now and Sewer Services were named in 3 of 4 checks. 2 more companies came up less often and are listed below.
We don't crown a winner. AI gives a slightly different answer each time you ask, so the honest number is how many of the 4 checks named a company — not what place it came in. One mention out of 4 doesn't get published.
Seattle fielded the 7th-largest cohort of the 26 metros we measured this edition — 64 plumbers.
Only 18 of 64
plumbers in the Seattle cohort ever came up in AI's answers (28%). The full measured list:
Rankings are measured and cannot be purchased — sponsored blocks are labeled advertising and sit outside the ranked list.
Ask AI the same question twice and the answer can change. So we do not crown a number one. We publish how many of the 4 checks named each company. Companies named in more checks are the ones AI keeps coming back to. Companies named in only one check are not listed: a single mention does not repeat reliably.
Named in all 4 checks
2 companies, listed alphabetically — they scored the same, so nothing here puts one above another.
- 4of 4
Best Plumbing
Seattle, WA · Recommended in 4 of 4 AI checks · 4.6★ (799 Google reviews)
Named in every one of the 4 checks: Best Plumbing. Its Google profile shows 4.6 stars from 799 reviews.
- 4of 4
Seatown Electric Plumbing Heating and Air
Mukilteo, WA · Recommended in 4 of 4 AI checks · 4.8★ (6,572 Google reviews)
Seatown Electric Plumbing Heating and Air earned its place by showing up in every one of the 4 checks, serving the metro from Mukilteo. It carries a 4.8-star rating across 6,572 Google reviews.
Named in 3 of 4 checks
One company, listed below.
- 3of 4
I Need A Plumber Now and Sewer Services
Kent, WA · Recommended in 3 of 4 AI checks · 4.9★ (362 Google reviews)
I Need A Plumber Now and Sewer Services earned its place by showing up in 3 of the 4 checks, serving the metro from Kent. Google reviewers back it up: 4.9 stars over 362 reviews.
Named in 2 of 4 checks
2 companies, listed alphabetically — they scored the same, so nothing here puts one above another.
- 2of 4
2 Sons Plumbing, Sewer, Septic, Electric, Heating & Air
Seattle, WA · Recommended in 2 of 4 AI checks · 4.9★ (3,872 Google reviews)
2 Sons Plumbing, Sewer, Septic, Electric, Heating & Air came up in 2 of the 4 checks. Its Google profile shows 4.9 stars from 3,872 reviews.
- 2of 4
Ally Plumbing
Recommended in 2 of 4 AI checks
Ally Plumbing earned its place by showing up in 2 of the 4 checks.
5 more companies were named in exactly one of the 4 checks. A single mention comes back less than half the time when we ask again, so they are measured but not published.
Measured July 2026 · 4 homeowner-style questions · This list is measured, never sold — no company can pay onto it. Groups are set by how many checks named each company; inside a group the order is alphabetical, because the measurement doesn't separate them.
The exact questions we asked
These are the verbatim homeowner phrasings behind the Seattle numbers — each answer's named companies were logged:
- “Who is the best plumber in Seattle, Washington?”
- “I have a plumbing emergency in Seattle, Washington. Which plumber should I call?”
- “What is the most recommended plumbing company in Seattle, Washington?”
- “Who should I hire to replace a water heater in Seattle, Washington?”
What the Seattle numbers say
- Compared with the edition-wide average (36%), Seattle's 28% sits below the line.
- The nearest Seattle gets to a consensus pick is Best Plumbing and Seatown Electric Plumbing Heating and Air, named in 4 of the 4 checks.
- Repeat recommendations are rare here: only 5 of the 18 names came up more than once, and only those are published.
- Google agrees with the picks: the board averages 4.8 stars across 11,605 combined reviews.
Is your company on this list? Say so — for free.
Every listed company can claim a free embeddable "Most Recommended" badge for its website. It shows how many of our checks named you and links back to this page, so anyone can verify it's real.
Claim your free badgeNot seeing your company here?
Every recommendation above is a new homeowner someone else got. Find out in 60 seconds where your company stands — free, no strings.
See if AI recommends youFree check by Fast Digital Marketing, the team behind this benchmark. How it works
Seattle questions, answered
How many plumbers in Seattle show up in AI's answers?
The July 2026 answer is 18. We verified 64 companies around Seattle and ran 4 checks; 28% of the cohort ever got a mention.
Which plumber does AI recommend most in Seattle?
No single answer. Best Plumbing and Seatown Electric Plumbing Heating and Air each came up in every one of the 4 checks, which is as far as 4 checks can tell them apart.
Why are some companies grouped together?
A rank would be a made-up level of precision. AI answers slightly differently every time, and with 4 checks a company can only score 0 to 4. Several usually tie at the top, so we show the score and list tied names alphabetically rather than choosing between them.
What questions were behind the Seattle checks?
4 checks built this list, using phrasings like "Who should I hire to replace a water heater in Seattle, Washington?". Every company AI named got counted; nothing else influenced the board.
Can plumbers buy their way onto this list?
No. This list is measured, never sold — a company appears only if AI actually recommended it, in more than one check, when we asked. Money cannot buy a place on this list. Paid messages on this page are labeled "Sponsored" and sit outside the measured list.
Why isn't my company on the Seattle list?
It wasn't named when we asked, or was named only once. 46 Seattle-area companies never came up at all — AI visibility is still rare, and the next quarterly run re-measures everyone from scratch.
New to Seattle? These plumbers are just getting started.
Everything above this line was measured. The list on this page comes from asking AI assistants real questions and counting who they named — no one can buy their way onto it.
This section is different, and we want to be plain about it. The businesses below are brand new. They have not been measured, they have no rank and no score, and they are not part of the list above. They are here because they asked to be, we checked that they are real, and a business that opened last month has no way to show up in a ranking built on history. Nobody paid for a spot here — it is free, and it is not an endorsement.
Just opened a company in Seattle? You can be the first one here.
Tell us who you are and we'll add you to this section — free. It is not a ranking and it will never say you are ranked, because you are not: you are new. When we re-run the benchmark, a real spot on the list above is something you earn, not something we hand out.
Add your new businessFull methodology: how these rankings are measured. Want the bigger picture? See every U.S. metro we benchmarked.