Used to break loose the supply line, angle stop, and tank bolts. A proper pipe wrench gives us the leverage to remove fittings that have been in place for 30 years without rounding them off.
Toilet Replacement charleston SC done right the first time
When your toilet rocks, runs, or backs up no matter how often you plunge it, toilet replacement charleston SC homeowners trust starts with a real diagnosis, not a guess.
Serving charleston and nearby areas.
How big is the toilet job?
Flange repair
Cracked or low flange fixed before the new toilet goes down.
- 1. Straight swap Old toilet out, flange sound, new toilet set and sealed.
- 2. Flange repair Cracked or low flange fixed before the new toilet goes down.
- 3. Floor repair Soft subfloor patched, then new toilet set level and sealed.
Drag the needle to compareTouch and drag the needle
- 30Services from one local team
- 20Areas served around charleston
- Flange firstWe check the flange before setting
- Level setNo rocking, no wobble, sealed tight
What our toilet replacement service includes
Every toilet replacement we do in Charleston includes the parts and labor to remove the old toilet, inspect and prep the flange, set the new toilet, and test it before…
Work order
Toilet Replacement- Old toilet removal: We shut off the water, drain the tank and bowl, disconnect the supply line, and lift the old toilet out. We set it on a drop cloth and load it on the truck for disposal. You do not have to move it, haul it, or schedule a bulk pickup.
- Flange inspection and prep: With the old toilet out, we check the flange for cracks, rust, and height relative to the finished floor. We scrape off the old wax, clean the flange surface, and replace the closet bolts. If the flange needs repair, we quote it before we proceed.
- New wax ring and hardware: Every install gets a fresh wax ring or waxless seal, new closet bolts, and a new supply line. We do not reuse old hardware. That is the difference between a toilet that stays sealed for 20 years and one that starts weeping at the base in 18 months.
- New toilet set and sealed: We set the new bowl on the flange, tighten the closet bolts evenly, and check level in both directions. The tank goes on, the fill valve and flapper get connected, and the supply line gets tightened with Teflon tape on the threads. No rocking, no wobble.
- Full test and cleanup: We turn the water on, flush the toilet four or five times, and check for leaks at the supply, tank bolts, and base. We adjust the water level and chain, then wipe down the bowl and floor. You get a walkthrough before we leave.
- Old toilet hauled away: The old toilet goes on the truck with us. No curbside pile, no trip to the landfill, no rental truck. We take it and dispose of it properly. That is included in every toilet replacement job we run in Charleston.
What the first visit covers
First visit
We pull the old toilet, inspect the flange and shutoff valve, and set the new one level and sealed.
Toilet replacement at your home
We handle toilet swaps in houses, condos, and rentals across Charleston.
Running toilet
Wasting water and driving up the bill.
Rocking base
Usually a cracked or rusted flange underneath.
Recurring clogs
Old bowl with a narrow, scaled trapway.
Comfort height upgrade
Higher seat, easier to get on and off.
Toilet replacement at your business
We work around your hours so your restrooms stay open.
Restaurants
High-traffic restrooms need fixtures that hold up.
Offices
Standard and comfort height models for staff and visitors.
Retail spaces
Fast swaps scheduled before opening or after close.
What toilet replacement charleston SC actually involves
A toilet that runs, rocks, or clogs every week is not something to live with. We pull the old one, fix what is under it, and set a new one that stays sealed and level.
Toilet replacement charleston SC is the removal of an old or failing toilet and the installation of a new one, including a fresh wax ring, closet bolts, supply line, and a sealed, level set on the flange. We shut off the water, drain the tank and bowl, cut or disconnect the supply, and lift the old unit out. Then we inspect the flange for cracks or rot, check the shutoff valve, and set the new toilet square and tight. A standard swap takes two to four hours.
Most calls we run in Charleston County start the same way: a toilet that runs every 20 minutes, a tank that sweats through humid summers, or a bowl that rocks because the flange rusted out under a 1970s tile floor. If you have been searching toilet replacement near me charleston SC and getting nothing but big-box installers, we do the full job, including the flange repair most homeowners never see coming. We also handle new toilet installation charleston SC for renovations and additions.
- What it is
- Old toilet out, new one set level and sealed.
- When it helps
- Running, rocking, cracked, or clogging every week.
- What you get
- New toilet set, tested, old one hauled away.
How our toilet replacement process works
Every job follows the same five steps, whether it is a single powder-room toilet in Ansonborough or three units in a Mount Pleasant rental.
Tools and methods we use on every job
Each method answers a different question. Together they leave very little to guess.
We run a camera down the drain line when a toilet clogs repeatedly. It shows us whether the problem is the toilet or the pipe. That determines whether you need a replacement or a drain cleaning.
Used to clear grease, scale, and root intrusion from drain lines before we set a new toilet. If the line is blocked, a new toilet will not fix the problem. We clear the line first.
Used when we need to replace a corroded supply stub-out or run new PEX to the shutoff. We cut out the old pipe and crimp a new connection in minutes instead of soldering.
Used for copper pipe repairs when the existing supply line is copper. We sweat a new fitting onto the stub-out so the shutoff valve sits solid and does not weep.
When Charleston homeowners call us for a new toilet
A homeowner in Wagener Terrace has a 1985 toilet that runs every 20 minutes and has already been repaired twice this year.
We pull the old toilet, check the flange and shutoff valve, and set a new 1.28 GPF comfort height model.
HomesA rental property owner in North Charleston has a tenant reporting a toilet that backs up into the tub every few weeks.
We camera the drain line first to rule out a blockage or root intrusion.
BusinessesA homeowner on James Island is remodeling a hall bathroom and wants a new toilet that matches the new tile and vanity.
We coordinate with the tile work so the flange sits at the right height relative to the finished floor.
HomesAn older homeowner in Harleston Village needs a toilet that is easier to get on and off after a knee replacement.
We install a comfort height toilet, which sits about 3 inches higher than the old one.
Homes
How toilet replacement runs in Charleston
Charleston has a mix of housing stock that changes what a toilet replacement looks like from one street to the next. On the Peninsula, many homes were built before 1950 and still have cast-iron flanges that have rusted down to a thin ring.
Downtown Charleston
Historic homes on the Peninsula often have cast-iron flanges and heart-pine subfloors. We check both before setting a new toilet, and we patch soft wood if we find it.
West Ashley
Mostly 1960s to 1990s ranches with PVC flanges. The shutoff valves are usually original and often need replacing when we do a toilet swap.
James Island
Hard water is common here, which scales up fill valves and flappers fast. We recommend a water softener when we see heavy mineral buildup.
- Downtown Charleston
- West Ashley
- James Island
- Mount Pleasant
- North Charleston
From problem to finished result.
Slide to compare the photo with an illustrative inspection view. It is generated from the photo, not a measurement.
PhotoRunning toilet in a 1985 West Ashley ranch
Before: The homeowner had a 1985 toilet that ran every 20 minutes and had been repaired twice in the past year. The flange was intact but the shutoff valve was seized and weeping.
After: We replaced the angle stop, set a new 1.28 GPF comfort height toilet, and hauled the old one away. The job took about three hours. The running stopped immediately, and the homeowner's next water bill dropped back to normal.
Cracked flange in a 1920s Harleston Village home
Before: The toilet rocked every time someone sat on it, and the homeowner had noticed staining on the ceiling below. The cast-iron flange was cracked and the subfloor around it was soft. Two previous plumbers had shimmed the toilet instead of fixing the flange.
After: We pulled the toilet, cut out the cracked flange, and installed a new PVC flange with a repair ring. We patched the soft subfloor, then set a new elongated toilet level and sealed. The rocking stopped and the ceiling stain has not returned.
Recurring clogs in a Mount Pleasant rental
Before: A property manager had a tenant reporting clogs every two weeks. The toilet was a builder-grade model from 2016 with a narrow trapway. Drain cleaning helped for a few weeks, then the clogs came back. The drain line was clear on camera.
After: We replaced the builder-grade toilet with a 1.28 GPF model with a fully glazed 2-inch trapway. The clogs stopped. The property manager has not had a drain call at that unit in over a year, and the tenant renewed the lease.
Toilet problems we fix every week in Charleston
Most of the calls we run are not glamorous. They are running toilets, rocking bases, and bowls that clog every other day.
Toilet runs constantly and water bill spikes
It also wears out the fill valve faster, so the problem gets worse, not better, if you ignore it.
Toilet rocks or leaks at the base
A rocking toilet usually means a broken flange or a rotted subfloor.
Toilet clogs every week no matter what
Recurring clogs usually mean the toilet itself is the problem, not your habits. Older bowls with scaled-up siphon jets and narrow trapways cannot move waste efficiently.
Toilet is cracked or leaking from the tank
A cracked tank or bowl cannot be repaired. It will keep leaking, and a hairline crack can give way completely without warning, flooding the bathroom floor.
Toilet sits too low and is hard to use
Standard-height toilets sit about 15 inches off the floor.
Why homeowners upgrade their toilets
A new toilet is one of the cheapest upgrades you can make in a Charleston home.
Lower water bills
A 1.28 GPF high-efficiency toilet replacement charleston homeowners choose can cut flush volume by more than half compared to a 3.
End recurring clogs
Older bowls with worn siphon jets and mineral buildup clog constantly, especially in homes on James Island and West Ashley with hard water.
Stop hidden leaks
A running toilet can waste 200 gallons a day, and a failed wax ring can rot a subfloor for months before you smell it.
Comfort height and better fit
Comfort height toilet installation charleston SC is one of our most requested upgrades, especially for older adults and anyone with knee or hip issues.
What you get on the job
Clear records you can keep and share.
Flange findings
What we saw under the old toilet.
Install photos
Pictures of the flange and set before close-up.
Model details
Make, model, and flush volume of the new toilet.
16 years of Charleston toilet work
Charleston Harborline Plumbing has been setting toilets in Charleston County since 2010.
Flange condition
We check for cracks, rust, and height relative to the finished floor.
Shutoff valve
We turn it and watch for weeping or seizing before we connect.
Flush volume
We read the fill and flush settings and adjust to the model spec.
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 customers say
Our upstairs toilet had been rocking for months and I kept putting it off. Charleston Harborline came out on a Tuesday morning, pulled the old one, and found the flange was cracked. They repaired it and set a new comfort height Kohler in about three hours. No more rocking, no more running at night. Worth every penny.
We live in a 1920s house on the Peninsula and the bathroom floor is not level. Two other plumbers told us they would just shim it. Charleston Harborline actually fixed the flange and set the toilet square. It has been six months and not a drop of water at the base. They also hauled the old toilet away.
I manage six rental units and had two toilets fail in the same week. They got both replaced on the same day and sent me photos of the flange work before they closed it up. Tenants were happy, I did not have to chase anybody. I have used them three times since.
Frequently Asked Questions
Short answers for the first few minutes. The team can cover the rest.
Still have a question?
Describe what you are seeing and we will point you to the right next step.
(854) 226-6111A basic builder-grade model with a standard flange sits at the low end. Comfort height models, elongated bowls, and jobs that need flange repair or a new shutoff valve land higher. We give you the number before we start.
A standard swap takes two to four hours from arrival to cleanup. If the flange is broken or the subfloor needs patching, add another hour or two. We schedule most jobs as a single visit and do not leave a toilet half-installed overnight. You will have a working toilet before we pull out of the driveway.
Yes. We hold same-day slots open every weekday and can usually get to you within a few hours of your call. If you have a toilet that will not flush, is leaking at the base, or has backed up into the tub, call us first. We will tell you on the phone whether it is a same-day job or a next-morning job.
For most Charleston homes, a 1.28 GPF comfort height elongated toilet from Kohler, American Standard, or Delta is the right call. It uses less water, sits higher, and has a wider trapway that clogs less. If you are in a historic downtown home with a tight bathroom, a round-front model may fit better. We can walk you through the options on site.
Other services we handle
Other services from the same team.
- Shower and Tub InstallationWe install new shower valves, tubs, and surrounds. We handle the plumbing rough-in and connect the drain.
- Shower and Tub RepairWe repair leaking shower valves, clogged tub drains, and broken diverter spouts.
- Sink Installation and RepairWe install kitchen and bathroom sinks, including undermount and farmhouse styles.
Ready for toilet replacement charleston SC?
(854) 226-6111Upfront pricing, old toilet hauled away, and a new one set level and sealed. One call and it is done.
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.