Sump Pump Replacement in Charleston, SC
Sump pump humming but not pumping? We provide sump pump replacement in Charleston, SC for basements, below-grade garages and yard pits.
- Long-Lasting Installations
- Battery Backup Options
- Upfront Pricing
- Expert Local Plumbers
Professional Sump Pump Replacement in Charleston, SC.
Do not wait for a flood to replace your failing sump pump, call KBN Plumbing now.
Reliable Sump Pump Replacement Services Across Charleston, SC
KBN Plumbing handles submersible and pedestal sump pump replacements, plus battery backup systems. We inspect the pit, float clearance and discharge line so the new pump runs reliably during heavy storms.
Our expertise includes:
- Correct sizing and installation of new sump pumps.
- Replacement of pedestal, submersible and battery-backup units.
- Confirming proper discharge and drainage connections.

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

Customers
Why Choose KBN Plumbing for Sump Pump Replacement in Charleston, SC?
Choosing the right plumbing partner for sump pump replacement makes all the difference in avoiding future headaches. We focus on long-term solutions, not just quick fixes, for our Charleston customers.
- Tested Operation, We fill the pit and verify the pump cycles correctly before we leave.
- Prevent Flooding, A new sump pump protects your basement and foundation from water damage caused by heavy rainfall.
- Foundation Protection, Proper sump pump function prevents hydrostatic pressure from damaging your home's foundation, especially in expansive soils.
Citywide Coverage
KBN Plumbing proudly serves every neighborhood and community within Charleston for all sump pump replacement needs. Whether you are in an older part of town or a new subdivision, our plumbers are always local.
Experienced Team
Our plumbers know the difference between sump, effluent and sewage ejector pumps and pick the right one for each job. They also understand float switch types and common failure points.
Safety-First Approach
Safety and code compliance are paramount in every sump pump replacement project. We make sure all electrical connections are safe and up to current South Carolina building codes, preventing hazards.
Trusted Certified Charleston Plumbing Services Professionals
At KBN Plumbing, we take pride in providing certified plumbing services throughout Charleston, 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 Charleston, SC
Combination Sump Pump System Replacement in Charleston, SC
For maximum protection, many homeowners in Charleston 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 quits. 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.

Battery Backup Sump Pump Installation in Charleston
Power outages during severe storms can leave a primary sump pump useless, leading to basement flooding. A battery backup sump pump offers important protection during these times. We install and replace complete battery backup systems, including dedicated marine-grade batteries and smart charging units. Our team helps you select a system with enough run-time to protect your Charleston home through extended power interruptions. That gives you peace of mind when the lights go out.
Commercial Sump Pump Replacement in Charleston
Businesses in Charleston 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 minimal while installing a robust pump capable of handling higher volumes of water.
Commercial Pit Pump Replacement in Charleston
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.
Sump Pump Basin and Pit Replacement in Charleston, SC
Sometimes it is not just the pump that needs replacing, since the sump basin or pit itself might be cracked, damaged or too small. KBN Plumbing offers sump pump basin and pit replacement in Charleston, 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.
Float Switch and Check Valve Replacement in Charleston
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 freely. Vertical float switches work well in tight pits. Tethered floats work best in larger pits.
Submersible Sump Pump Replacement in Charleston
Submersible sump pumps are popular in Charleston 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, appropriately sized pump. We make sure the check valve and discharge piping are correctly connected to prevent backflow and maximize efficiency. That is crucial for handling heavy rainfall.

Pedestal Sump Pump Replacement in Charleston, SC
Pedestal sump pumps have their motor mounted above the sump pit, making them easier to access for maintenance and often more durable. We provide professional pedestal sump pump replacement in Charleston, 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.
Sump Pump Replacement Near Me in Charleston, SC
When you need sump pump replacement near me, a quick response can save your basement. KBN Plumbing serves Charleston with plumbers who stock common pump sizes. We can often replace a failed pump the same day.
When you search for sump pump replacement near me in Charleston, SC, KBN Plumbing is your local expert. We know the water drainage and soil conditions that affect homes in the area, providing tailored solutions.
KBN Plumbing at a Glance
- Fully licensed plumbing team covering Charleston, SC
- Same-day appointments and 24/7 emergency response
- Upfront, flat-rate pricing before work begins
- 4.8-star rated by 596+ South Carolina customers
Charleston Map
Charleston Information
- Population
- 155,369
- Area codes
- 843/443/803
- Service area
- Charleston and communities within 40 miles
- Nearby
- Mount Pleasant, North Charleston, Goose Creek, Summerville
Sudden heavy storms can overwhelm basements and drainage pits in Charleston, SC, so a reliable sump pump is key protection for homes with below-grade space.
Expert Services
Trust our professionals for reliable KBN Plumbing solutions in Charleston, SC.
Our Specialized Plumbing Services in Charleston, SC
At KBN Plumbing, we provide a complete range of plumbing services across Charleston, 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 Process Works in Charleston, SC
At KBN Plumbing, our sump pump replacement process is simple and designed for efficiency, with little disruption to your Charleston home.
Request a Quote
Call (864) 588-3813 or fill out our online form to schedule your sump pump assessment. We will discuss your needs and provide a detailed, upfront quote for the replacement.
Expert Assessment
Our licensed plumber will visit your Charleston home to evaluate your current sump pump, identify the cause of failure and recommend the right replacement options for your property.
Professional Installation
We carefully remove the old unit, prepare the sump pit and install your new sump pump, making sure all connections and discharge lines are correctly configured according to local Charleston codes.
Frequently Asked Questions About Sump Pump Replacement in Charleston
A standard sump pump replacement usually costs $500 to $1,200 installed. Battery backup systems usually add $800 to $1,800. Sewage ejector pumps generally cost $1,200 to $2,500.
Most sump pumps last 7 to 10 years. Pumps that sit idle for long periods can fail earlier due to stuck switches.
Most sump pump replacements take one to two hours. Battery backups or new discharge lines take a bit longer.
It is a good idea 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.
Simple replacements typically do not require permits. New discharge lines or electrical work may, depending on your city.
While it may seem straightforward, professional sump pump replacement is strongly recommended. It involves electrical connections, proper plumbing for the discharge line, and making sure the pump is correctly sized and installed to prevent future flooding and comply with local Charleston codes.
Manufacturer warranties usually range from 3 to 5 years. We also offer a labor warranty.
To maintain your new sump pump, regularly check the pit for debris, test the pump monthly by pouring water into the pit, and make sure the discharge pipe is clear. An annual professional inspection by KBN Plumbing can also help lengthen its lifespan.
What People Are Saying About Our Plumbing Experts?

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
James P.
Our commercial plumbing system had a leak under the sink, and KBN Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Charleston, SC
Laura S.
I scheduled a water heater replacement, and the team made the process smooth and affordable. The new unit works perfectly, and they cleaned up after completing the job.
Water Heater Replacement · Mount Pleasant, 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 · Mount Pleasant, SC
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 · Charleston, 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 · Hilton Head Island, SC













