Plumbing in South Carolina is licensed, not just registered with the city. Residential plumbing is a licensed specialty under the Residential Builders Commission. Commercial plumbing is a mechanical classification on a Contractor's Licensing Board license. Both are checked on LLR. Greenville still requires a permit for the work. Ask which credential will be on that permit before you book. This page shows which Greenville plumbers AI assistants named most often across answers RecommendRadar ran and stored, how often each appeared, and the sources those answers cited. Visibility to AI isn't the same as good work, so ask for the license number and confirm it.
6 snapshot runs from the last 45 days named a business. This page is indexed after 3 such runs. Names that differ by case, punctuation, a leading The, a practice suffix, or a shortened firm name are combined.
Before you contact anyone on this list
- Ask which license covers this job and match it to the price.
- Ask who will pull the building permit.
- Get a written quote before work starts.
FAQ
Does a Greenville plumber need a state license?
Yes. Residential plumbing is a Residential Builders Commission specialty. Commercial plumbing is a Contractor's Licensing Board classification. Look it up on LLR.
Who permits plumbing work in Greenville?
The city or county. Ask which license number will be on the permit.
Which Greenville plumbers did AI name most?
GS Plumbing (6 of 6), JB Plumbing Services (4 of 6), Mr Rooter Plumbing of Greenville (4 of 6), Tom-Plumber (4 of 6), Corley Plumbing Air Electric (1 of 6), Dipple Plumbing Electrical Heating & Air (1 of 6), Duckett Plumbing (1 of 6), Ken's Plumbing (1 of 6), Mastermind Plumbing (1 of 6), Waldrop Plumbing (1 of 6)
How this page works
Every name, count, and source on this page comes from answers RecommendRadar ran and stored for the best plumber in Greenville, SC. Nothing is added or edited by hand. These stored answers came from Perplexity and ChatGPT. Sample: 6 stored answers from the last 45 days, refreshed October 25, 2026. AI answers vary with wording, time, location, and engine, so this is a dated sample of what those engines said, not an endorsement or a ranking of quality.