We diagnose the actual water source before we quote anything — no guessing, no upsell, just a plan sized to your basement.

We've seen enough Fairfax, SC basements to know that a wet spot in one corner rarely tells the whole story. Before we recommend drain tile or a sump upgrade, we trace the water back to where it's actually entering, not just where you noticed it.
We're bonded and insured for both residential and light commercial basement work across Fairfax, SC.
Our Fairfax, SC crews are staffed locally, so a wet basement call doesn't sit in a national queue for a week.
You get one written number before drilling starts, covering drain tile, sump basin, and discharge line.
Thermal imaging helps us confirm whether a stain is active moisture or an old, already-fixed leak.

Every Fairfax, SC Basement Waterproofing job starts with an inspection, not a generic package — here's what that typically includes.
The core fix for most Fairfax, SC basements: a perimeter drain cut into the slab edge, tied to a sump basin, that intercepts water before it reaches the floor.
Every drain tile system needs a properly sized sump pump — we calculate basin size and pump horsepower from your square footage and local water table depth.
Vertical wall cracks get epoxy or polyurethane injection depending on whether they're still actively weeping.
We install membrane on masonry walls before any insulation or framing goes up, so moisture never gets a chance to reach finished materials.
Window wells that hold water after a storm are a direct pressure point against the glass and frame — we add gravel beds and drain lines tied into the main system.

You describe what you're seeing — a wet spot, a musty smell, standing water — and we get a rough read on urgency before dispatching anyone.
We also check exterior grading and downspouts, since a lot of basement leaks start outside, not inside.
You'll see drain tile footage, sump specs, and labor broken out separately, not one vague lump-sum number.
You'll get warranty paperwork and a walkthrough of how the system works so you know what to expect going forward.

"We'd patched a basement crack twice ourselves before calling. The interior drain tile system actually fixed it instead of just hiding it again."
— Fairfax Homeowner
"Sump basin was undersized from the last owner's DIY job. They resized it and we haven't had a drop since."
— Fairfax Customer
"Appreciated that the estimate matched the final invoice exactly — no surprise add-ons once the floor was already open."
— Fairfax Homeowner
"Installed a battery backup sump pump for us right before a big storm season — glad we did it when we did."
— Fairfax Customer
Every Fairfax, SC quote is itemized in writing so you can see exactly what drives the total.
We keep the cut as narrow as possible and clean up debris before leaving the site.
Larger basements or those needing extensive crack repair can take a bit longer — we'll give you a realistic timeline in the written quote.
If the crack is actively weeping or part of a larger drainage issue, we'll recommend a full system instead of a spot fix.
Coverage depends on your policy and the cause of the water intrusion — we can document conditions for a claim, but approval is up to your insurer.
Warranty terms are often transferable if you sell the property later.
We install interior drain tile and sump systems throughout Fairfax and the surrounding Fairfax, SC service area, including the zip codes listed below.



Zip codes we serve in Fairfax, SC: 29827
Call now for a free inspection and a flat-rate quote before anything gets worse.
Call +1-866-476-1348© SGP Waterproofing. All rights reserved.