We stop water from getting into your basement for good. Permanent solutions — not temporary fixes.
I'm Ready For A Free Quote
Thank You For Your Submission!
A team member will be reaching out to you shortly.
If you notice any of these, water is already finding a way in. Each one points to a different failure, and basement waterproofing starts with knowing which one you have. A wet basement rarely has one cause. Most homes show two or three of these signs at once, and a proper waterproofing plan treats them together instead of one at a time.
Puddles or a thin layer of water after a storm means water is pushing through your foundation. It won't stop on its own — every rain makes it worse. Standing water on the floor means the soil outside is saturated and pressure is pushing moisture through the slab joint. Windows and wall joints are common entry points too. Until the water around the foundation has somewhere to drain, the basement will keep taking on water every time it rains. Moisture that enters at the slab joint spreads through the basement.
That white, chalky buildup is called efflorescence. It's minerals left behind when water pushes through concrete and evaporates. It means moisture is moving through your walls constantly. Efflorescence on basement walls marks the exact path the water is taking through the masonry. Sealing the surface hides the stain and leaves the water inside the wall. Waterproofing has to relieve the pressure in the soil outside, or the salt deposits come back on the same basement walls within a season.
That damp, earthy odor is moisture feeding mold you may not even see yet. It spreads through the house and affects the air your family breathes every day. A musty basement is a moisture problem before it is an air quality problem. Getting the space dry is what stops the smell from coming back. Dehumidifiers treat the symptom, while waterproofing removes the water that feeds it, and a dry basement holds its air quality on its own. Moisture in a basement moves upward into the rooms above, so basement waterproofing protects more than the basement itself.
A crack in a poured or block wall gives water a direct path inside. Small cracks grow — freeze-thaw cycles and water pressure widen them every season. Cracks in a foundation wall need repair before any waterproofing system goes in. Otherwise the new system is managing water that should have been stopped at the wall. Foundation repairs and waterproofing are usually done together for this reason, because sealing a moving crack on its own does not last. Foundation repairs of this kind are routine, and the waterproofing goes in after the wall is sound.
Water gets into basements because the soil around your foundation holds moisture. When it rains or the snow melts, that moisture pushes against your walls and floor. Concrete is porous — it can't hold water back forever. That's the problem. And paint, sealant, or patching cement from the hardware store won't solve it. Those products trap water behind the surface. The pressure stays. The damage continues. Saturated soil holds water against the foundation long after the rain stops. That is why basement waterproofing works on drainage and pressure instead of coatings. The aim is to prevent water from building up against the wall in the first place. Grading and gutters help, but they do not change the soil pressure and moisture load against a foundation wall.
An interior French drain catches water at the point where your wall meets the floor — the most common entry point. We cut a narrow channel along the perimeter, install a perforated drain pipe in a gravel bed, and route it to a sump pump pit. Water that enters gets collected and pumped out before it ever reaches your floor. This is the most effective and affordable systemic fix for basements with hydrostatic pressure or a high water table. Interior drainage moves that water to a sump pump instead of letting it collect under the floor. Most basement waterproofing systems in older homes are built around this, because it works without tearing up the yard. The sump pump carries the water out, and a second pump is added where the basement takes on volume fast. Interior work like this is the most common waterproofing service we install. Installation of an interior system rarely disturbs the basement walls or anything stored against them.
Exterior waterproofing stops water before it touches the inside of your home. We excavate down to the foundation footer, clean the wall, apply a waterproof membrane and drainage board, and install a new footer drain. This protects the wall itself from water damage and deterioration. It's more involved than interior work, but it addresses the source directly. Sealing the outside of the wall stops water before it reaches the masonry. Exterior work costs more up front because of the excavation, but it keeps the wall itself dry. It is the more thorough repair where the foundation is accessible, and it is the only approach that keeps the soil load off the basement wall entirely. Work from outside lasts as long as the foundation does, provided the soil is backfilled correctly.
For isolated cracks in poured concrete walls, we inject epoxy or polyurethane resin directly into the crack. The material fills the full thickness of the wall and seals it from the inside out. Epoxy bonds the crack structurally. Polyurethane stays flexible for walls that still shift slightly. One crack doesn't always mean a full system — but left alone, one crack becomes the start of a bigger problem. Injection fills the crack through the full thickness of the cement wall, so the repair is structural and not cosmetic. Left alone, a single crack turns into a much larger repair. Most crack repairs take a few hours and cost a fraction of a full waterproofing system, which is why we check every basement wall before quoting anything bigger. Crack repairs are the least expensive basement waterproofing we do.
Our Process
We check your entire basement — walls, floor, joints, cracks, and existing systems. Then we walk the outside to look at grading, gutters, and drainage. We explain what we find in plain language so you understand the problem before we talk about solutions. The inspection is free and there is no charge for a written quote. We look at how the basement is built, what the water is doing, and which service actually fits. That means checking the walls, the floor joint, the soil grade outside, and any waterproofing that is already in place. We do this before quoting any waterproofing service, on every basement.
Every basement is different. We give you a written proposal with the exact scope of work, materials, timeline, and cost. No vague estimates. No surprises. You know exactly what you're paying for before we start. The proposal lists the scope, the cost, and the timeline in plain language. You can compare it against any other basement waterproofing quote line by line. Every part of the waterproofing system is named, so you know what you are buying and what the installation involves. The moisture readings and wall measurements from the inspection are included.
Our crew installs your system — whether it's an interior drain, exterior membrane, crack injection, or a combination. We protect your space, communicate throughout the job, and clean up when we're done. Installation follows the plan you approved, and the crew uses the same method on every job. They protect the floor and keep the basement usable while the work runs. A typical interior installation is finished in a day or two, and the basement is back in service before the crew leaves. Most of the installation happens along the basement walls, out of the way of anything stored.
We walk you through everything we installed, show you how the system works, and hand you your warranty documentation. You'll know exactly what was done, how to maintain it, and what's covered. We show you how to keep the system working and what to watch for. Most owners need about ten minutes, and the basement stays dry from there. If the sump pump ever needs service, the warranty covers it, and a dry basement is the whole point of the work. Service calls after that are rare.
We tell you what your basement needs — and what it doesn't. If a crack injection fixes the problem, we're not going to sell you a full perimeter system. If the issue is your gutters dumping water at the foundation, we'll tell you that before we quote anything else. Straight answers. No pressure. No games. We are basement waterproofing contractors, not a sales operation. If a smaller repair solves it, that is the repair we quote. Plenty of jobs turn out to be minor repairs rather than a full waterproofing system, and we will tell you when that is the case.
Every proposal is in writing with a clear scope, cost, and timeline. We don't give ballpark numbers or verbal estimates that change later. The price on your proposal is the price you pay. We also offer financing options that make it possible to protect your home without draining your savings in one hit. A written price protects you from the change orders a cheaper waterproofing company uses to make up the difference. Compare our number against other basement waterproofing companies and the scope will be easier to see. The cost of a waterproofing system depends on the size of the basement and the work involved, not on what a salesperson thinks you will pay. Two basement waterproofing quotes are worth getting on any job this size.
Basement waterproofing isn't something you should have to think about twice. Our systems are built to manage water permanently — through heavy rain seasons, snowmelt, and high water tables. We back that with a warranty that's specific, in writing, and transferable if you sell your home. The system is built to run for decades without attention. That is the point of basement waterproofing done properly, and it is why the basement stays dry. A sump pump gets checked once a year and the rest of the system takes care of itself.
Get My Free Quote
It depends on how many walls are affected, what's causing the water, and which system your basement needs. A single crack repair is far less than a full perimeter drain system. We provide a detailed written proposal after inspecting your basement so you know the exact cost before any work begins. We also offer financing to make it manageable. Any waterproofing contractor who quotes a price before seeing the basement is guessing. Basement waterproofing cost depends on the wall, the water, and how easy the access is. A single wall in a dry basement is a small job, while a full interior system around a wet foundation costs considerably more. A dry basement and waterproof walls are the measure of whether the work succeeded.
They solve different problems. Interior systems manage water that's already entered — they catch it and route it to a sump pump before it reaches your floor. Exterior systems stop water at the foundation wall before it gets inside. Some basements need one, some need both. We'll tell you which one fits your situation during the inspection. Interior systems cost less and go in faster. Exterior work costs more and disturbs the yard, but it keeps water out of the wall entirely. Many homes need some of both, and the inspection tells us which walls need work from outside and which can be handled from the interior. Both approaches protect the same foundation.
In most cases, no. Standard homeowner's insurance covers sudden events like a burst pipe — not gradual water intrusion or groundwater seepage. That's why fixing the problem early matters. The longer you wait, the more expensive the damage gets, and none of it is covered. Insurance treats gradual water as a maintenance issue, which is why most owners pay for waterproofing themselves. The longer it waits, the more the repair costs. A waterproofing system is cheaper than the finish work and stored belongings a wet basement ruins. Waterproofing removes the moisture source instead of managing it.
A crack injection can be done in a few hours. An interior French drain along one or two walls typically takes one to two days. A full perimeter system with a sump pump runs two to three days. Exterior waterproofing takes longer because of excavation. We give you a clear timeline in your proposal. Sump pumps are set on the first day of the job. Exterior work depends on how much of the foundation has to be dug out, and a large exterior job on a wet foundation can run most of a week.
Waterproof paint and sealants from the hardware store don't stop water — they trap it behind the surface. The pressure keeps building and the coating eventually fails. Real waterproofing means managing the water with a drainage system, not trying to block it. The concrete in your foundation is porous by nature. A professional system gives water a controlled path out so it never reaches your living space. Brush-on products trap moisture in the masonry and let it keep moving. Penetrating sealants slow water down but do not relieve the pressure behind it, which is why DIY waterproof coatings keep failing. A DIY sealer on a basement wall can look fine for a season, then the same wall is damp again, because sealants do not move water and waterproofing is a drainage problem. A waterproof coating cannot fix soil pressure, and no basement waterproofing product sold in a store will either.
Bros Basement Waterproofing serves homeowners across 13 locations in 8 states. Find your local team below.