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Pricing guide

How Much Does a French Drain Cost in Pennsylvania?

Most residential french drain projects in the Hershey and Harrisburg area run between $3,000 and $12,000. The range is wide because no two water problems are the same. Here's what actually drives the number, so you can walk into your estimate knowing what to expect.

What you can expect to pay

  • Yard / surface french drain: roughly $3,000โ€“$6,000 for a typical run to fix standing water or a soggy low spot.
  • Exterior foundation french drain: roughly $6,000โ€“$12,000+ depending on depth, length, and access for excavation.
  • Interior basement french drain + sump: roughly $5,000โ€“$12,000 depending on perimeter length and finishes that have to be worked around.

These are planning ranges, not a quote. The only honest price comes from looking at your home.

What drives the price

  • Length and depth of the run, the single biggest factor
  • Interior vs. exterior, exterior means excavation, interior means cutting and restoring slab
  • Discharge, to daylight is cheapest; a sump pit or dry well adds cost
  • Access, tight lots and obstacles (decks, landscaping, finished space) add labor
  • Soil and water table, the clay and high-water-table ground common across the Lebanon Valley can mean more work

Why the cheapest quote usually isn't

The french drains we get called to rip out and replace were almost always the cheap ones, installed without filter fabric, with dirty stone, or at a slope that doesn't drain. They fail in a few years and you pay twice. A drain built right lasts 20 to 30 years. Pay once.

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Tell us about the water problem. We respond same day.

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Questions

Cost questions

How much does a french drain cost in Pennsylvania?

Most residential french drain projects in the Hershey and Harrisburg area run between $3,000 and $12,000, depending on length, depth, whether it is interior or exterior, and how the water is being discharged. Simple yard drains sit at the low end; full basement perimeter systems with a sump pump sit higher. We give a firm price after a free on-site look, never a vague phone quote.

How long does a french drain last?

A correctly installed french drain with proper filter fabric and clean stone typically lasts 20 to 30 years or more. The failures we get called to fix are almost always from drains installed without fabric, with the wrong stone, or at the wrong slope. Done right, it is a one-time fix.

Interior or exterior french drain, which do I need?

It depends on your home and lot. Exterior drains intercept water before it reaches the foundation and are ideal when there is room to excavate. Interior drains are the practical choice for finished basements, tight urban lots, or homes where outside digging is not feasible. We walk your property and recommend the one that actually solves the problem, not the one that is easiest for us.

Do you offer free estimates?

Yes. Every estimate is free and done in person so the price is real. We look at your grade, your foundation, and where the water is actually coming from before quoting anything.

Are you licensed and insured?

Yes. We carry full liability insurance and operate as a registered Pennsylvania home improvement contractor. Proof is available on request before any work begins.

Call (717) 884-0481Free Estimate