The Most Recommended Plumbers in Indianapolis — Measured on ChatGPT
This Indianapolis edition started from 72 verified local plumbers. We then asked ChatGPT — 4 different ways, 4 checks in August 2026 — and wrote down every company it recommended.
Only 20 of those 72 companies were ever recommended: a 28% hit rate. Benjamin Franklin Plumbing of Indianapolis, Carter's My Plumber and Hamm & Sons Plumbing and 1 more came back most often, all of them named in 3 of 4 checks.
The next group is B&W Plumbing, Heating, Cooling, and Drains, Godby Heating Plumbing Electrical and Hope Plumbing, Heating & Cooling and 1 more — named in 2 of 4 checks.
We don't crown a winner. ChatGPT 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.
For scale: of the 26 metros in this edition, Indianapolis's cohort of 72 plumbers was the 5th largest.
Only 20 of 72
plumbers in the Indianapolis cohort ever came up in ChatGPT'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 ChatGPT 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 ChatGPT keeps coming back to. Companies named in only one check are not listed: a single mention does not repeat reliably.
Named in 3 of 4 checks
4 companies, listed alphabetically — they scored the same, so nothing here puts one above another.
- 3of 4
Benjamin Franklin Plumbing of Indianapolis
Indianapolis, IN · Recommended in 3 of 4 AI checks · 4.8★ (6,222 Google reviews)
Benjamin Franklin Plumbing of Indianapolis surfaced in 3 of the 4 checks when we asked. Google reviewers back it up: 4.8 stars over 6,222 reviews.
- 3of 4
Carter's My Plumber
Greenwood, IN · Recommended in 3 of 4 AI checks · 4.9★ (2,759 Google reviews)
Carter's My Plumber surfaced in 3 of the 4 checks when we asked; it operates from Greenwood. It carries a 4.9-star rating across 2,759 Google reviews.
- 3of 4
Hamm & Sons Plumbing
Indianapolis, IN · Recommended in 3 of 4 AI checks · 4.9★ (437 Google reviews)
Hamm & Sons Plumbing came up in 3 of the 4 checks. Its Google profile shows 4.9 stars from 437 reviews.
- 3of 4
Mr. Plumber by Metzler & Hallam
Carmel, IN · Recommended in 3 of 4 AI checks · 4.9★ (4,638 Google reviews)
Mr. Plumber by Metzler & Hallam earned its place by showing up in 3 of the 4 checks, serving the metro from Carmel. Its Google profile shows 4.9 stars from 4,638 reviews.
Named in 2 of 4 checks
4 companies, listed alphabetically — they scored the same, so nothing here puts one above another.
- 2of 4
B&W Plumbing, Heating, Cooling, and Drains
Recommended in 2 of 4 AI checks
Named in 2 of the 4 checks, B&W Plumbing, Heating, Cooling, and Drains is one of the Indianapolis companies ChatGPT keeps coming back to.
- 2of 4
Godby Heating Plumbing Electrical
Indianapolis, IN · Recommended in 2 of 4 AI checks · 4.9★ (1,122 Google reviews)
Godby Heating Plumbing Electrical came up in 2 of the 4 checks. Google reviewers back it up: 4.9 stars over 1,122 reviews.
- 2of 4
Hope Plumbing, Heating & Cooling
Indianapolis, IN · Recommended in 2 of 4 AI checks · 4.8★ (6,513 Google reviews)
Hope Plumbing, Heating & Cooling came up in 2 of the 4 checks. It carries a 4.8-star rating across 6,513 Google reviews.
- 2of 4
Prime Plumbing & Drains, LLC
Indianapolis, IN · Recommended in 2 of 4 AI checks · 5.0★ (196 Google reviews)
Prime Plumbing & Drains, LLC earned its place by showing up in 2 of the 4 checks. It carries a 5.0-star rating across 196 Google reviews.
2 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 August 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
Every check used one of these real homeowner questions, and every company ChatGPT named in response was recorded:
- “Who is the best plumber in Indianapolis, Indiana?”
- “I have a plumbing emergency in Indianapolis, Indiana. Which plumber should I call?”
- “What is the most recommended plumbing company in Indianapolis, Indiana?”
- “Who should I hire to replace a water heater in Indianapolis, Indiana?”
Indianapolis, by the numbers
- 8 of the 20 companies ChatGPT named came up in more than one check. The other 2 surfaced once and aren't listed — a single mention doesn't hold up on a re-ask.
- The listed companies average 4.9 stars on Google, with 21,887 reviews between them.
- Not every winner sits downtown: Greenwood and Carmel all placed companies on the Indianapolis board.
- However the question was phrased, Benjamin Franklin Plumbing of Indianapolis, Carter's My Plumber and Hamm & Sons Plumbing and 1 more kept coming back — 3 of 4 checks.
Is your company on this list? Say so — for free.
The free embeddable badge shows how many of the Indianapolis checks named you and links straight back to this page — verifiable by anyone, claimable only by companies actually on the list.
Claim your free badgeNot seeing your company here?
The companies listed here are getting the homeowners who ask AI first. See where you stand in about a minute — free.
See if AI recommends youFree check by Fast Digital Marketing, the team behind this benchmark. How it works
Indianapolis questions, answered
Does ChatGPT recommend many plumbers in Indianapolis?
20, out of the 72 we verified — 28% of the Indianapolis cohort. Everyone else went unmentioned across all 4 of our August 2026 checks.
Which plumber does ChatGPT recommend most in Indianapolis?
Benjamin Franklin Plumbing of Indianapolis, Carter's My Plumber and Hamm & Sons Plumbing and 1 more — all of them named in 3 of the 4 checks in the August 2026 run. Equal score, equal billing, listed alphabetically.
Why don't you rank the Indianapolis companies 1, 2, 3?
Because a number one wouldn't hold. Ask ChatGPT the same question again and the top name often changes, while the number of checks that named a company stays about the same. So we publish the count: companies named in the same number of the 4 checks are grouped together and listed alphabetically, because nothing in the measurement separates them.
How was the Indianapolis list generated?
We asked 4 homeowner-style questions, such as "Who is the best plumber in Indianapolis, Indiana?", and logged each company ChatGPT named in response. All the phrasings we used are shown above.
Is a spot on the Indianapolis board for sale?
No. This list is measured, never sold — a company appears only if ChatGPT 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.
When does the Indianapolis list update?
It was measured in August 2026 and gets re-measured every quarter, same method each time. New companies can break in whenever ChatGPT starts naming them.
New to Indianapolis? 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 Indianapolis? 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.