South Carolina licenses residential plumbing contractors through LLR as a Residential Specialty Plumbing license, listed as RBP. Charleston's Permit Center requires a city business license and the state credential, and plumbing is its own permit. In flood zones AE and VE, plumbing repair is not on the exempt list. Ask for the RBP number and who submits the plumbing permit. This page shows which Charleston plumbers AI assistants named most often across answers RecommendRadar ran and stored, how often each appeared, and the sources those answers cited. A frequent mention isn't a diagnosis. Compare the written price with the license.
3 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
What is an RBP license?
It is the Residential Specialty Plumbing license from LLR's Residential Builders Commission. Commercial plumbing over the residential limits is a different board.
Who permits plumbing work in Charleston?
The City of Charleston Permit Center. The contractor needs a city business license and a South Carolina license. Flood-zone properties have fewer exemptions.
Which Charleston plumbers did AI name most?
Purpose Plumbing (2 of 3), Rooter Man Plumbing (2 of 3), Blitch Plumbing (1 of 3), Blue Collars (1 of 3), Dial Plumbing (1 of 3), Get Rite Plumbing (1 of 3), Kessler Plumbing (1 of 3), Mr Rooter Plumbing of Greater Charleston (1 of 3), Plumb Pro+ (1 of 3), T-Flow (1 of 3)
How this page works
Every name, count, and source on this page comes from answers RecommendRadar ran and stored for the best plumber in Charleston, SC. Nothing is added or edited by hand. These stored answers came from Perplexity. Sample: 3 stored answers from the last 45 days, refreshed October 28, 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.