French Drain & Interior Drainage Installation in Scranton, PA

When a basement leaks every spring — a puddle along the same wall, water beading at the floor joint, damp carpet after every hard rain — the problem isn’t the rain. It’s hydrostatic pressure: water in Scranton’s clay-heavy soil pressing against your foundation with nowhere to go. Sealants and paint can’t hold that back. Drainage can.

An interior perimeter drain (the modern evolution of the French drain) is the workhorse solution for chronically wet basements across Lackawanna County. It captures water at the point of entry — the joint where floor meets wall — and channels it to a sump pump before it ever reaches your floor.

Call for a free inspection and written estimate.

How an Interior Drainage System Works

1. A channel is opened in the concrete floor around the basement perimeter (full or partial, depending on where water enters).
2. Perforated drain pipe is set in washed stone below floor level, pitched toward a sump basin.
3. A wall-flange or vapor barrier detail directs wall seepage — common with Scranton’s stone and block foundations — down into the drain instead of onto the floor.
4. The floor is re-concreted, leaving a clean finished surface.
5. Collected water discharges through a properly sized sump pump.

Result: water is intercepted below the slab and removed automatically. Most systems carry a lifetime-of-the-structure warranty.

Interior vs. Exterior French Drains

Interior perimeter drains are the standard recommendation for existing Scranton homes: no excavation around a 100-year-old foundation, no destroyed landscaping, installable year-round (a real consideration when the fix can’t wait for a NEPA winter to end), and typically half the cost of exterior work.

Exterior French drains and footer drains make sense in specific cases — new construction, homes already being excavated for wall repair, or yard drainage problems where water needs interception before it reaches the house. Curtain drains uphill of a home on a slope (common in Clarks Summit and the hillier parts of the county) fall in this category.

An honest inspection tells you which one your situation actually calls for — and it’s usually the less expensive answer.

What It Costs

Interior perimeter drainage in the Scranton market typically runs $50–$90 per linear foot, which puts most full-perimeter systems with a sump pump at $4,000–$10,000 and partial-wall systems at $2,000–$5,000. Exterior excavated systems generally run 1.5–2× that. Every project starts with a free written, itemized estimate.

It’s a real investment — and it’s also the fix that ends the cycle of shop-vac weekends, ruined storage, and mold worries for good. A warrantied drainage system is a documented asset when you sell, in a market where buyers’ inspectors flag basement moisture on a large share of older Scranton homes.

Signs You Need Interior Drainage

• Water enters at the floor-wall joint during rain or snowmelt
• Seepage along one or more full walls (not a single crack)
• Recurring dampness despite gutter and grading fixes
• Efflorescence (white mineral residue) low on the walls
• A sump pump that exists but water still reaches the floor first

If water enters through a single isolated crack, injection may be all you need — that’s a few hundred dollars, not thousands, and the inspection will say so. See foundation repair for those options.

Serving Scranton and All of Lackawanna County

Green Ridge, Hyde Park, South Side, West Scranton, the Hill Section, Minooka, North Scranton — plus Dunmore, Clarks Summit, Dickson City, Moosic, Old Forge, Taylor, Throop, and Olyphant.

📞 Call today — free inspection, honest recommendation, written estimate.

Frequently Asked Questions