We push a camera down main lines to see exactly what is blocking flow, whether that is roots, scale, or a collapsed section, before deciding on a repair method.
Commercial Plumbing in charleston that keeps your doors open
Commercial Plumbing in charleston is built around one goal: keeping your business running. When a grease line backs up at 6 p.m. or a water heater quits before the lunch rush, our business plumbing services in charleston get you back online fast.
Serving charleston and nearby areas.
How big is the job?
System section
A water heater, backflow assembly, or a run of pipe that needs repair or replacement.
- 1. Single fixture One faucet, toilet, or drain line acting up; usually handled in one visit.
- 2. System section A water heater, backflow assembly, or a run of pipe that needs repair or replacement.
- 3. Whole property Repipes, sewer replacement, or multi-fixture projects planned in writing first.
Drag the needle to compareTouch and drag the needle
- 30Services from one local team
- 20Areas served around charleston
- Camera firstWe look inside the line before quoting
- Flat quoteYou approve the price before work starts
What our commercial plumbing service covers
Our standard commercial plumbing visit covers diagnosis, repair, and testing of the fixtures and lines on your property.

Work order
Commercial Plumbing- Full system diagnosis: We inspect supply lines, drains, fixtures, and the water heater, then run a sewer camera or leak detection camera where the symptoms point. You get a written finding and flat price before any repair begins.
- Fixture and line repair: Faucets, toilets, sinks, supply lines, and drain lines get repaired or replaced with parts matched to your existing system. We stock common Moen, Delta, and Kohler parts so most fixes finish in one visit.
- Water heater service: Repairs, replacements, and maintenance on Rheem, Bradford White, and A.O. Smith commercial units. We flush tanks, replace anode rods and elements, and confirm temperature and pressure relief valves are working.
- Backflow testing and tagging: Commercial backflow assemblies get tested, tagged, and documented per code. We file the results so your property stays compliant with Charleston County requirements and your water service is never interrupted.
- Drain and sewer clearing: Grease, roots, and scale get cleared with a drain snake or hydro jetter, then verified with a sewer camera. You get before-and-after footage so you know the line is actually clean.
- Gas line and appliance work: Gas line installation, repair, and leak detection with pressure testing on every job. We connect commercial appliances and confirm they fire correctly before signing off.
What the first visit covers
First visit
We walk the property, inspect the affected lines and fixtures, camera what needs it, and leave you with a written finding and flat price.
Commercial plumbing at homes
Home office restroom
Running toilets and dripping faucets fixed in one visit.
Rental property lines
Sewer and drain issues cleared before tenant complaints escalate.
Home water heater
Repair or replacement sized to actual household demand.
Gas appliance hookup
New gas lines run and pressure-tested for home equipment.

Commercial plumbing at businesses
Restaurants, offices, retail, and multi-tenant properties scheduled around your operating hours.
Restaurant kitchens
Grease line jetting and water heater service before opening.
Office buildings
Restroom and breakroom repairs with tenant disruption kept low.
Retail centers
Main sewer line work scheduled after store hours.
What Commercial Plumbing in charleston actually involves
Commercial plumbing done right keeps your doors open and your staff working. We diagnose with a camera, quote flat, and test every repair before we leave. That is how a one-visit fix stays a one-visit fix.
The work covers supply lines, backflow prevention, grease interceptors, commercial water heaters, and the drain stacks that carry waste away from every sink, toilet, and floor drain on the property.
Charleston's older building stock makes this harder than it sounds. Downtown properties in Harleston Village and Cannonborough-Elliotborough often run original cast iron drain lines that have been patched for decades. Add humid Lowcountry summers, tree root intrusion in the peninsula's live oak canopy, and high tourist-season demand, and a small drip becomes a closed dining room. That is why a commercial plumber charleston SC business owners call should know the building, not just the pipe.

- When it helps
- Backups, leaks, no hot water, or failing fixtures disrupting operations.
- What you get
- A written finding, flat price, and tested repair before we leave.
How a commercial plumbing job runs
You get a clear sequence from first call to final walkthrough.
Tools and methods we use
Each method answers a different question. Together they leave very little to guess.
High-pressure water scours grease and roots off the pipe wall, restoring full diameter without the gouging a mechanical cutter can leave on older cast iron.
Pinpoints hidden leaks under slabs and behind walls so we open only the section that needs repair, saving flooring and downtime.
Standard hand tools for fixture work and smaller drain clogs. Most single-fixture repairs are handled with these before we bring in heavier equipment.
Used for PEX tubing connections on repipes and new installs. Crimp rings are checked with a gauge so every joint holds pressure.
When Charleston businesses call us
A Mount Pleasant restaurant loses hot water before the Friday dinner rush and cannot run the dish machine.
We dispatch a crew with common water heater parts on the truck, diagnose the element or thermostat failure, and repair or replace…
BusinessesA Downtown Charleston office building has two restrooms with running toilets and a dripping breakroom faucet.
We replace the flappers, fill valves, and faucet cartridge in a single visit, and check the shutoff valves while we are in…
BusinessesA West Ashley retail center has a slow main sewer line that backs up into a floor drain every few months.
We camera the line, find the root intrusion or scale buildup, hydro jet the pipe, and recommend a spot repair if the…
BusinessesA North Charleston brewery needs a new gas line run for a larger brewhouse and a tankless water heater install.
We size the gas line, pull the permit, run and pressure-test the line, then install a Navien tankless unit with proper venting.
Businesses
How commercial plumbing runs in charleston
Charleston's building stock splits into two problems. Downtown and the Peninsula have century-old structures with original cast iron drain lines, galvanized supply pipes, and slab foundations that hide leaks until they surface.
French Quarter
Restaurant density is high and grease line maintenance is constant. We schedule jetting before opening so kitchens are never offline during service.
Harleston Village
Many buildings still run original cast iron drains. Camera inspection before any repair is standard here because pipe condition varies block to block.
Daniel Island
Newer commercial construction with PEX and CPVC systems. Water heater maintenance and backflow testing are the most common calls.

- French Quarter
- Harleston Village
- Daniel Island
- West Ashley
From problem to finished result.
Slide to compare the photo with an illustrative inspection view. It is generated from the photo, not a measurement.
PhotoFrench Quarter restaurant grease line cleared
Before: A 60-seat restaurant had a kitchen drain backing up nightly. The line had not been jetted in over two years, and grease had reduced the pipe to a fraction of its diameter.
After: We hydro jetted the line to bare pipe, camera-verified full flow, and set up quarterly maintenance. The restaurant has not had a backup in 14 months of full service.
West Ashley office building slab leak repaired
Before: A two-story office building had a rising water bill and a warm spot on the ground-floor slab. The leak was under a tenant's carpeted office space.
After: We located the leak with a camera, opened a 2-foot section of slab, repaired the copper line, and pressure-tested it. The tenant was back in the office the same day.
North Charleston brewery gas line and tankless install
Before: A brewery expanding its brewhouse needed a larger gas line and a tankless water heater to keep up with cleaning demand. The existing line was undersized.
After: We ran a new gas line sized for the brewhouse load, pressure-tested it, and installed a Navien tankless unit with proper venting. The inspection passed on the first visit.
Commercial plumbing problems we solve in charleston
Most calls we get fall into a handful of categories. Here are the ones Charleston businesses deal with most, and how we handle each.
Grease-clogged kitchen drain lines
A backed-up kitchen drain shuts down dishwashing and prep, and can flood the floor with wastewater during a full service.
Root intrusion in main sewer lines
Live oak roots on the Peninsula find every joint in older sewer lines. Slow drains turn into full backups, and backups turn into health-code closures.
Failed commercial water heaters
No hot water means no dishwashing, no handwashing, and in some cases a failed health inspection. Restaurants and salons cannot operate without it.
Hidden slab and wall leaks
A slab leak under a retail floor wastes water, damages flooring, and can force a partial closure while it is located and repaired.
Backflow assembly failures
An untested or failed backflow assembly can trigger a citation and, in worst cases, a water service shutdown by the utility.
Why businesses hire us for commercial plumbing
Every hour your water is off, you are losing revenue.
Downtime kept to a minimum
A single clogged drain can shut a kitchen for a full service.
Code-correct from the start
Backflow assemblies get tested and tagged, and gas work is pressure-tested before we sign off.
One crew for the whole property
Restrooms, breakroom sinks, water heaters, gas lines, and sewer laterals all fall under one commercial plumbing contractor charleston property managers can call.
Maintenance that prevents the 2 a.m. call
Our commercial plumbing maintenance charleston program includes annual water heater flushing, grease interceptor service, and camera inspections of main lines.
What you receive on the job
Clear records you can keep and share.
Written finding
What we inspected and what the camera showed.
Flat price quote
The number you approve before work begins.
Job photos
Before and after images for your building file.
16 years working Charleston commercial systems
Charleston Harborline Plumbing has served Charleston County businesses since 2010.

Sewer camera footage
Shows pipe condition, blockages, and root intrusion inside the line.
Pressure gauge reading
Confirms gas and water lines hold pressure after repair.
Water heater data plate
Tells us tank size, age, and whether repair or replacement makes sense.
Is your area covered?
Type your ZIP code or town to check. If you do not see yours, ask us.
charleston ZIP codes
- 29414
- 29424
- 29425
- 29455
- 29405
- 29407
- 29401
- 29403
- 29409
- 29492
- 29412
- 29402
- 29413
- 29417
Towns we serve.
Based in charleston and covering the places around it. Pick one for local details.
What Charleston businesses say
Our kitchen drain backed up on a Friday night with a full house. Charleston Harborline had a crew here in under an hour, jetted the grease line, and camera-checked it before they left. We were back to full service before the dinner rush ended. They now handle our quarterly maintenance.
We manage six commercial buildings and had a slab leak in one of them. They located it with a camera, opened only the section that needed it, and had it repaired and pressure-tested in a day. The photo documentation they sent made my owner report easy for once.
Two restrooms were down with running toilets and a failed shutoff valve. They replaced the fill valves and wax rings, swapped the valve, and tested everything in about three hours. Flat price quoted upfront, no surprises on the invoice.
Frequently Asked Questions
Short answers for the first few minutes. The team can cover the rest.
Describe what you are seeing and we will point you to the right next step.
(854) 226-6111Emergency and after-hours calls carry a higher rate. We quote flat pricing before work begins so you can approve it first.
Yes. Restaurant plumbing services charleston kitchens need include grease interceptor cleaning, hydro jetting of kitchen drain lines, commercial water heater repair, and backflow testing. We schedule most restaurant work before opening or after close so your dining room stays open and your staff is not tripping over us.
We work with restaurants, retail storefronts, office buildings, medical suites, salons, breweries, hotels, and multi-tenant properties across Charleston County. That includes office plumbing services charleston SC managers need for restrooms and breakrooms, plus gas line and water heater work for larger commercial kitchens and laundry rooms.
Then check whether they know your building type. A commercial plumber near me charleston SC search returns plenty of names, but local experience with Charleston's older drain systems is what separates a one-visit fix from a repeat problem.
Get Commercial Plumbing in charleston handled today
(854) 226-6111We serve businesses across Charleston County and answer the phone day or night.
Contact Charleston Harborline Plumbing
Call us at (854) 226-6111 or email [email protected]. Our office is located at 123 Meeting Street, Charleston, SC 29401. We look forward to helping you.






