Sump Pump Replacement in Mount Pleasant, SC
Protect your basement or pit from storm runoff with a sump pump replacement in Mount Pleasant, SC, installed with a new check valve and tested float.
- Fast Pump Replacements
- Lifetime Workmanship Warranty
- Fast Sump Pump Installation
- Quality Brands
Get Your Sump Pump Replaced Today in Mount Pleasant, SC.
We test the new pump with real water before leaving.
Expert Sump Pump Replacement Services in Mount Pleasant, SC
KBN Plumbing replaces sump pumps in homes with basements, below-grade rooms and yard drainage pits. We match pump horsepower and switch type to your pit size and discharge height, then install a new check valve and test the cycle.
Our expertise includes:
- Replacement of pedestal, submersible and battery-backup units.
- Ensuring proper discharge and drainage connections.
- Battery Backup System Installation

Additional Plumbing Replacement Services in Mount Pleasant, SC
When repairs are no longer enough, our replacement services in Mount Pleasant, SC deliver modern, efficient equipment installed right.

Customers
Why Choose KBN Plumbing for Sump Pump Replacement in Mount Pleasant, SC?
Our expertise means your new sump pump is installed correctly, maximizing its lifespan and protecting your home for years to come.
- Foundation Protection, Proper sump pump function prevents hydrostatic pressure from compromising your home's foundation, especially in expansive soils.
- Peace of Mind, Knowing your home is protected by a new, efficient sump pump offers invaluable peace of mind, especially during storm season.
- Proper Sizing, We match pump capacity to pit volume and discharge height.
Citywide Coverage
We replace sump pumps throughout Mount Pleasant, including homes with basements, commercial elevator pits and yard drainage basins. We handle tight crawlspaces and outdoor pits alike.
Experienced Team
Our plumbing team brings broad experience to every sump pump replacement and understands the requirements for South Carolina homes. We are trained on the latest pump technologies and installation techniques for reliable performance.
Safety-First Approach
KBN Plumbing prioritizes the safety of your home and family during sump pump replacement. We use proper electrical connections and discharge line routing, and we make sure all components meet industry standards for safe operation.
Trusted Certified Mount Pleasant Plumbing Services Professionals
At KBN Plumbing, we take pride in providing licensed, certified plumbing services throughout Mount Pleasant, SC. Backed by recognized industry credentials, our experienced plumbers combine technical skill with genuine customer care. Whether it is repair, installation, or maintenance, we follow strict safety and quality standards to deliver long-lasting results you can trust.
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PHCC Plumbing Contractor Recognition
Better Business Bureau (BBB) Accreditation
Angi Certified Pro
ISO 9001 Quality Management CertificationDurable Sump Pump Replacement Services in Mount Pleasant, SC
Commercial Pit Pump Replacement in Mount Pleasant
Commercial buildings often have elevator pits, parking garage drains and mechanical room sumps. These require pumps rated for higher flow and sometimes oil-sensing controls. We replace commercial pumps and alarms to meet code and insurance requirements. Duplex systems with alternating pumps provide a backup. We schedule work to avoid disrupting operations.

Submersible Sump Pump Replacement in Mount Pleasant
Submersible sump pumps are popular in Mount Pleasant for their quiet operation and ability to sit fully submerged in the sump pit. When replacing a submersible pump, we carefully remove the old unit, clean the pit and install a new, properly sized pump. We make sure the check valve and discharge piping are correctly connected to prevent backflow and improve efficiency. That is key for handling heavy rainfall.
Pedestal Sump Pump Replacement in Mount Pleasant, SC
Pedestal sump pumps have their motor mounted above the sump pit, making them easier to access for maintenance and often more long-lasting. We provide expert pedestal sump pump replacement in Mount Pleasant, SC, with proper alignment and secure mounting. This type is often preferred in shallower pits or where noise is not a primary concern, offering a robust solution for flood prevention.
Commercial Sump Pump Replacement in Mount Pleasant
Businesses in Mount Pleasant also rely on dependable sump pump systems to protect their commercial properties. We provide specialized commercial sump pump replacement services, handling larger, more complex systems designed for industrial or multi-unit buildings. Our team keeps disruption to your operations low while installing a robust pump capable of handling higher volumes of water.
Float Switch and Check Valve Replacement in Mount Pleasant
Many sump pump failures start with a stuck float switch or a leaking check valve. A failed check valve lets water flow back into the pit and causes the pump to short cycle. We install new check valves with every pump replacement and verify the switch moves without binding. Vertical float switches work well in tight pits. Tethered floats work best in larger pits.
Sump Pump Basin and Pit Replacement in Mount Pleasant, SC
Sometimes it is not just the pump that needs replacing, since the sump basin or pit itself may be cracked, damaged or too small. KBN Plumbing offers sump pump basin and pit replacement in Mount Pleasant, SC so your entire system functions as it should. A properly sized and intact pit is essential for the efficient operation and longevity of your new sump pump.
Wayne Sump Pump Replacement in Mount Pleasant
Wayne sump pumps offer a range of efficient models, from entry-level to professional-grade. If your Wayne sump pump is failing, KBN Plumbing provides prompt Wayne sump pump replacement in Mount Pleasant. We make sure the new pump is correctly installed with proper discharge and check valve components, restoring your home's flood protection fast and efficiently.

Combination Sump Pump System Replacement in Mount Pleasant, SC
For added protection, many homeowners in Mount Pleasant choose a combination sump pump system, which pairs a primary electric pump with a battery backup pump in one unit. This keeps the system running even if the power fails or the primary pump malfunctions. KBN Plumbing can replace your existing combination system or install a new one, evaluating your needs for groundwater management. We make sure the components are well matched for strong performance and longevity.
Sump Pump Replacement Near Me in Mount Pleasant, SC
When you search for sump pump replacement near me in Mount Pleasant, SC, you want a local company that understands the challenges of the area. KBN Plumbing is rooted in the community, providing fast, reliable service right to your doorstep. We know the local soil conditions and groundwater levels that affect sump pump performance.
When you need sump pump replacement near me, a quick response can save your basement. KBN Plumbing serves Mount Pleasant with plumbers who stock common pump sizes. We can usually replace a failed pump the same day.
KBN Plumbing at a Glance
- Fully licensed plumbing team covering Mount Pleasant, SC
- 24/7 emergency service with same-day scheduling
- Upfront, flat-rate pricing before work begins
- 4.8-star rated by 596+ South Carolina customers
Mount Pleasant Map
Mount Pleasant Information
- Population
- 95,232
- Area codes
- 843/443/803
- Service area
- Mount Pleasant and communities within 40 miles
- Nearby
- Charleston, North Charleston, Goose Creek, Summerville
Clay that swells when wet and shrinks in dry spells can shift buried sewer lines over time, leading to sags, separated joints and root intrusion. A reliable sump pump helps protect homes in Mount Pleasant, SC from the hydrostatic pressure and foundation issues that groundwater can cause.
Expert Services
Trust our professionals for reliable KBN Plumbing solutions in Mount Pleasant, SC.
Our Specialized Plumbing Services in Mount Pleasant, SC
At KBN Plumbing, we provide a complete range of plumbing services across Mount Pleasant, SC. From leak detection to full system installations, our team ensures fast, precise, and affordable service for both residential and commercial properties. Explore our core services below:
How Our Sump Pump Replacement Service Works in Mount Pleasant, SC
Here is how we replace and test your new pump.
Request a Quote
Call (864) 588-3813 to schedule an appointment for a sump pump assessment. Our team will discuss your needs and provide a transparent quote.
On-Site Assessment
Our plumber will inspect your existing sump pump, pit and drainage system to find the best replacement solution for your Mount Pleasant home.
Professional Installation
We carefully remove the old pump and install your new sump pump, making sure all plumbing and electrical connections are secure and up to code.
Frequently Asked Questions About Sump Pump Replacement in Mount Pleasant
The cost of a sump pump replacement in Mount Pleasant, SC can range from $500 to $1,500, depending on the type of pump, its horsepower and the complexity of the installation. Factors like needing a new sump pit, major re-piping or adding a battery backup system can influence the final price. We provide transparent, upfront quotes after assessing your needs.
A battery backup sump pump system is a secondary pump powered by a battery, designed to activate automatically if your primary sump pump loses power during an outage or fails. This is critical for maintaining flood protection during power outages caused by severe weather.
Most standard sump pump replacements can be completed within 2 to 4 hours. More complex installations, such as those requiring new pit excavation or extensive discharge line work, might take longer, up to a full day.
Key signs include the pump not turning on, unusual noises such as grinding or rattling, running continuously, visible rust or corrosion, or an age over 7 to 10 years. Any of these could indicate coming failure and a need for replacement.
It depends on the home. Homes with basements, below-grade rooms, high groundwater or drainage pits usually do. Hurricanes and tropical storms bring heavy rain to South Carolina, and flooded streets can push water back up through floor drains and low sewer connections.
While it might seem like a simple task, sump pump replacement involves electrical connections, proper plumbing and making sure the pump is correctly sized and installed to prevent future flooding. DIY replacement can lead to improper operation, electrical hazards or system failure. It is best to hire a professional plumber for a safe and effective installation.
It is recommended to test your sump pump at least every three months, and especially before and after rainy seasons. To test, simply pour a bucket of water into the sump pit. The pump should activate, drain the water and then shut off automatically. If it does not, it is time for a professional inspection.
Yes, in addition to replacement, we offer sump pump maintenance services to keep your system ready. Regular maintenance, including cleaning the pit, checking the float switch and inspecting the discharge line, can extend the life of your pump and prevent unexpected failures. This is especially important for homes in Mount Pleasant that rely heavily on their sump pumps.
What People Are Saying About Our Plumbing Experts?

Robert G.
The trenchless sewer replacement saved our front yard. They walked us through the camera inspection footage first so we knew exactly what we were paying for.
Sewer Line Replacement · Goose Creek, SC
Mark T.
When our office needed drain cleaning, KBN Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · Mount Pleasant, SC
Patricia H.
We had a slab leak that two other companies could not find. KBN Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Goose Creek, SC
Daniel K.
A pipe burst at 11 pm and they actually answered. The plumber showed up within the hour, shut everything down, and had us back to normal the next morning. Could not ask for more.
Emergency Plumbing · Hilton Head Island, SC
Emily R.
I called KBN Plumbing for plumbing repair, and the technician was fast, polite, and thorough. They explained the problem clearly and fixed it the same day. I will definitely hire them again. Highly recommended!
Plumbing Repair · North Charleston, SC
Sofia M.
Two new toilets installed in one visit, no mess left behind, and the tech even adjusted a faucet he noticed was dripping. Fair pricing and really friendly.
Toilet Installation · Bluffton, SC













