French Drain Installation in New Jersey

If water comes in where your basement floor meets the wall after every heavy rain, the fix is usually an interior French drain. It catches water before it reaches your floor and sends it to a sump pump that pumps it out of the house.

Effective Basement Solutions has installed French drains across New Jersey for over 20 years — with our own crews, never subcontractors, and a 30-year transferable warranty. Call or text 1-800-957-0075 for a free estimate.

Signs You Need a French Drain

  • Water along the bottom edge of your basement walls after rain
  • Puddles or damp spots on the basement floor
  • White, chalky residue on the walls (efflorescence)
  • A musty smell, mold, or rising humidity
  • A sump pump that runs constantly — or no sump pump at all

Not sure? We’ll inspect your basement for free and tell you honestly what it needs.

Built Right the First Time

Proper slope to the pump

Every trench is graded so water flows to the sump pit instead of sitting in the pipe. A drain without the right pitch holds water and clogs — it’s one of the most common mistakes we fix.

Clean washed stone

The pipe is bedded in clean, washed stone so water moves freely into the drain and the system stays clear for decades.

Drainage board and sump pump

Wall drainage board guides water from the walls down into the drain, and a sealed sump pit and pump send it out of the house, away from your foundation.

Why Homeowners Choose Us

Our own crews, owner on the phone

No subcontractors, ever. When you call, you talk with Franco, the owner — the same company that quotes your job installs it.

30-year transferable warranty

Every French drain we install is covered by our 30-year transferable warranty. If you sell your home, the warranty goes with it.

Licensed, insured, 20+ years

NJ Home Improvement Contractor license #13VH06363800. Over 20 years waterproofing New Jersey basements, with 90 Google reviews from local homeowners.

How We Install Your French Drain

  1. Free inspection. We find where the water is coming in and measure the run.
  2. Floor cut. We cut and remove the concrete along the inside of your foundation walls.
  3. Trench and stone. We dig the trench and bed it in clean, washed stone.
  4. Perforated pipe. The pipe is laid with the right slope so water flows to the pump.
  5. Drainage board. Wall drainage board sends water from the walls down into the drain.
  6. Sump pit and pump. We install a sealed sump pit and pump that discharges away from the house.
  7. New concrete and cleanup. We pour new concrete over the system and leave your basement clean.

A typical basement takes about 4 days from start to finish.

How a French Drain Works

A French drain is a perforated pipe in a bed of washed stone, installed below your basement floor along the walls. Water that would push through the floor-wall joint flows into the pipe instead, runs to a sump pit, and is pumped out of the house.

Interior vs. Exterior French Drains

Most New Jersey basements leak where the floor meets the wall. An interior French drain stops that at the source, and it doesn’t require digging up your yard or landscaping. An exterior drain is dug outside along the foundation — bigger and more disruptive — so we only recommend it when your situation calls for it. We’ll tell you honestly which one you need.

Interior French Drain

Installed under the floor along the inside of your foundation walls. It catches water at the floor-wall joint and carries it to a sump pump. The most common and cost-effective fix for wet NJ basements, and your yard is never touched.

Exterior French Drain

Installed in a trench along the outside of the foundation to catch water before it reaches the walls. Recommended only for specific situations, because it means excavating around the house. We’ll explain if it’s right for you.

Real Job Example: Springfield, NJ

60 feet of interior French drain with wall drainage board, a new sump pit, a Zoeller M53 sump pump, and a downspout connection — completed in October 2026 and covered by our 30-year transferable warranty.

Areas We Serve

We install French drains across Union, Essex, Morris, Somerset, Middlesex, and Bergen counties, including Clark, Westfield, Cranford, Summit, Livingston, Millburn, Short Hills, Madison, and Morristown. See all service areas.

French Drain FAQ

Can a French drain be installed inside the basement?

Yes. Interior French drains are the most common fix for wet basements in New Jersey, and they don’t disturb your yard or landscaping.

How long does French drain installation take?

About 4 days for a typical basement, from the first floor cut to the final concrete and cleanup.

Do I need a sump pump with a French drain?

Yes. The drain carries water to a sump pit, and the sump pump moves it out of the house and away from your foundation.

How long does a French drain last?

A properly installed system lasts for decades. Every French drain we install is covered by our 30-year transferable warranty.

Will installation make a mess?

We contain the dust as we work and do a full cleanup when we finish.

How much does a French drain cost?

Every basement is different, so we give you a free written estimate after we see it. Call or text 1-800-957-0075.

Get Your Free French Drain Estimate

Call or text 1-800-957-0075, or send us a message. You’ll talk with Franco directly, and you’ll get a written estimate with no pressure.