Hear from Our Customers
A dry basement in a Narberth home is not a small thing. It is the difference between a usable, protected space and a slow-moving problem that quietly eats into the value of a home worth well over $700,000. When the water stops coming in, the mold stops forming, the musty smell disappears, and the structural risk drops significantly. That is what a proper waterproofing job actually delivers.
Most of the homes in Narberth were built between the late 1800s and the 1930s. Those foundations — stone, brick, early poured concrete — have been taking on Philadelphia-area rainfall for close to a century. The original mortar joints break down over time, drainage systems fail, and the clay-heavy soils in Montgomery County expand and contract with every wet season, pushing steadily against foundation walls. That pressure does not stop on its own.
When you live in a place as walkable and tight-knit as Narberth, you also have to think about drainage dynamics. With virtually no open land to absorb runoff, stormwater moves fast through the borough. Your neighbor’s grading affects your foundation. A blocked storm drain on Haverford Avenue in October can mean water in your basement by November. Getting ahead of that is not overcaution — it is just smart homeownership for this specific place.
We have been working in Montgomery County for over twenty years. That includes the Victorian row houses off Montgomery Avenue in Narberth, the Craftsman bungalows in Narbrook Park, and the twins and Capes that fill out the streets between downtown and the train station. This is not a service area we recently added to a map — it is a region we know from the ground up.
What separates us from the franchise waterproofing companies that show up in your search results is the scope of what we actually do. We are a fully licensed, bonded, and insured contractor — and we are also a Certified Lead Inspector and Risk Assessor operating in full EPA and HUD compliance. In a borough where the overwhelming majority of homes predate 1978, that credential is not a footnote. It is a direct protection for your family when waterproofing work requires disturbing old painted surfaces.
You get a free estimate, a straight answer, and a contractor who has seen the inside of enough Narberth basements to know what is actually going on — and what needs to be done about it.
It starts with the free estimate. We come out, look at your basement, and tell you what we are actually dealing with — whether that is hydrostatic pressure cracking your foundation walls, failed drainage around your perimeter, a sump pump that has not been reliable in years, or moisture wicking through a century-old stone foundation. We do not run a sales pitch. We tell you what we found.
From there, the scope of work depends on what your home needs. Interior waterproofing — drainage channels, sump pump installation, crack injection — is the right call for many Narberth homes and typically does not require a permit. Structural repairs, exterior excavation, or wall anchoring for bowing foundation walls are a different story. As a fully licensed contractor, we handle permit coordination with Narberth Borough when the scope requires it, so you are not left navigating that on your own.
Because so many homes here were built before 1978, we also assess for lead paint before any demolition work begins. If there is a lead concern, we address it as part of the job — not as a separate project you have to schedule with someone else. HEPA filtration runs throughout the work to protect your home and everyone in it. When we are done, you will know exactly what was done, why it was done, and what to expect going forward.
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Most waterproofing companies do one thing. They install a drainage system, hand you a warranty, and leave. If you have mold behind the wall, lead paint on the foundation, or a structural crack that needs addressing before waterproofing can even be effective — that is someone else’s problem. We are built differently. Testing, remediation, demolition, and waterproofing all happen under one roof, with one accountable contractor.
For Narberth homeowners specifically, this matters more than it might in a newer development. The homes here are old, layered, and complicated. A wet basement in a Narbrook Park bungalow or a Victorian on the north side of the borough is rarely just a wet basement. There is often mold present, often a lead paint concern, and often a foundation that needs more than a sump pump to be genuinely protected. We handle all of it — and we do it with state-of-the-art equipment and HEPA filtration that keeps your home clean throughout the process.
If you are in the middle of a real estate transaction and a home inspection flagged a moisture issue, we can move quickly. If you have had a recurring wet basement problem for years and just want it resolved properly, we can do that too. Cash discounts are available, and there is no obligation attached to the estimate. Call us at any hour — we answer.
The short answer is age and soil. Most homes in Narberth were built between the late 1800s and the 1930s, which means their foundations predate modern waterproofing standards by decades. Stone and brick foundations from that era rely on mortar joints that degrade over time, and once those joints start breaking down, water finds a way in. The original drainage systems — where they still exist — are often undersized or completely failed after 80 to 130 years of use.
The soil conditions in Montgomery County make this worse. Clay-heavy soil expands when it gets wet and contracts when it dries out. That cycle puts constant, shifting pressure on your foundation walls — and it never really stops. Add in the fact that Narberth is essentially 100% impervious surface with almost no open land to absorb stormwater, and runoff concentrates quickly. Your foundation is absorbing a lot more pressure than a home in a lower-density area would face. These are not random problems — they are predictable outcomes of this specific place and its specific housing stock.
The range is wide because the scope varies significantly from home to home. A straightforward interior waterproofing job — drainage channel installation, sump pump, and crack injection — might run between $3,000 and $8,000 for a typical Narberth home. More involved work, like exterior excavation, wall anchoring for a bowing foundation, or structural repairs on a century-old stone foundation, can push into the $10,000 to $20,000 range or higher depending on what is found once work begins.
What affects cost most in this area is the age and type of foundation. A 1920s Narbrook Park bungalow with a stone foundation is a different job than a 1950s Cape Cod with a poured concrete wall. If lead paint is present — which it is in most pre-1978 homes here — and demolition is required, that adds to the scope. The free estimate from us gives you a clear, specific number before you commit to anything. No vague ranges, no pressure — just an honest assessment of what your home actually needs.
It depends on what the work involves. Interior waterproofing — things like installing a perimeter drainage system, replacing or adding a sump pump, or injecting cracks in the foundation wall — generally does not require a permit in most Pennsylvania municipalities, including Narberth Borough. These are considered maintenance-level repairs that fall below the threshold of the Pennsylvania Uniform Construction Code’s permit requirements.
Structural work is a different matter. If your foundation walls are bowing or cracking in a way that requires anchoring, piering, or significant masonry repair, that typically does require a building permit from Narberth Borough. The same applies to exterior excavation work. As a fully licensed contractor, we handle permit coordination when the scope requires it — you do not have to figure that out on your own. If you are unsure whether your specific situation requires a permit, the free estimate visit is the right place to start that conversation.
Yes, meaningfully. Homes from that era — including the Craftsman bungalows in Narbrook Park and the Victorian-era row houses throughout Narberth — were built with stone or brick foundations and early poured concrete, not the modern reinforced concrete walls you find in post-war construction. That changes both the diagnosis and the approach. Stone foundations, for example, are porous by nature and often require a different treatment than crack injection alone. The mortar between the stones may need to be repointed before any waterproofing membrane or drainage system can be effective.
There is also the lead paint question. If your home was built before 1978 — which covers virtually all of Narberth’s housing stock — there is a meaningful likelihood that lead-based paint is present on foundation walls and surrounding surfaces. Any waterproofing work that involves grinding, demolition, or disturbing those surfaces needs to be handled by a lead-certified contractor. We are a Certified Lead Inspector and Risk Assessor, which means we assess for lead before work begins and handle it properly if it is present — rather than creating a hazard in the process of fixing a different problem.
More often than not, yes. Water intrusion and mold go together, especially in basements that have been dealing with moisture for years without a proper fix. In the Philadelphia area, where summers are humid and basements in older homes tend to run cool, you can have active mold growth even in a basement that does not visibly flood — just chronic dampness and condensation are enough. By the time most homeowners notice a musty smell or visible growth, the mold has usually been present for a while.
This is one of the reasons the one-stop model we operate matters for Narberth homes specifically. If we find mold during a waterproofing assessment — and we often do — we do not refer you to a separate company and leave you to coordinate the scheduling. Remediation is part of what we do. We address the mold, address the source of the moisture, and waterproof the space so the conditions that allowed mold to grow in the first place no longer exist. That is a complete fix, not a partial one.
It means straightforward savings with no strings attached. Cash payment reduces administrative overhead on our end — no processing fees, no delayed settlements, simpler bookkeeping. We pass that savings directly to you. For Narberth homeowners managing a repair that can run several thousand dollars, a cash discount is a real number, not a token gesture.
It also reflects how we operate generally. This is not a franchise with a corporate pricing structure and a sales team working on commission. We are a contractor that has been doing this work in Montgomery County for twenty years, built on repeat business and referrals. Keeping transactions simple and transparent is part of how we work. If you prefer to pay by other means, that is completely fine — the discount is an option, not a condition. Either way, the estimate is free, the pricing is honest, and there is no pressure attached to any of it.
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