Bullfrog Foundation
Finished basement waterproofing system installation

French Drain Installation

Redirect water before it reaches the wall.

Florida gets 54 inches of rain a year. Sandy soil doesn't absorb it fast enough. Pooling water builds pressure against your foundation. A French drain intercepts it first and routes it away before the damage starts.

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Why Florida homes pool water differently

water

54 inches of rain per year

Florida averages more annual rainfall than Seattle. During rainy season (June through September), afternoon thunderstorms dump 5 to 8 inches per month. The ground saturates fast and stays wet.

landslide

Sandy soil doesn't drain

Florida's sandy soil pools water at the surface rather than absorbing it. Water with nowhere to go runs toward your foundation and builds pressure against the wall over hours and days.

foundation

High water table year-round

Central Florida's water table sits close to the surface even before rain falls. Seasonal rain pushes it higher. Saturated soil exerts hydrostatic pressure against foundation walls, the main cause of water intrusion in Florida homes.

How a French drain works

A French drain is a gravel-filled trench containing a perforated pipe. It collects groundwater and surface water along its path and channels it away from your foundation to a safe exit point: a dry well, a storm drain or low lying area at property edge.

  1. 1

    Site assessment

    We map the water flow on your property — where it enters, where it pools, and where it needs to go. The drain route is planned to intercept water before it reaches the foundation wall.

  2. 2

    Trench and pipe installation

    We dig the trench at the correct gradient, lay a bed of clean gravel, and install perforated pipe wrapped in filter fabric to prevent sediment from clogging the system over time.

  3. 3

    Gravel backfill

    The trench is backfilled with washed gravel and covered with filter fabric before the topsoil goes back. This keeps soil out of the drain channel while allowing water to enter freely.

  4. 4

    Catch basins and downspout tie-ins

    Where needed, we add surface catch basins and connect gutter downspouts directly into the drainage line. Roof runoff is often the largest volume contributor to foundation pooling. Connecting it to the drain solves that at the source.

French drain trench with perforated pipe and gravel being installed

A French drain stops pooling. It doesn't seal the wall.

Drainage specialists install French drains. That's the whole job. The drain routes surface water away, reduces pooling and lowers hydrostatic pressure. What it doesn't do is seal the cracks, mortar gaps or slab joints that water is already pushing through. If those entry points exist, water will still get in during heavy rain.

Bullfrog installs French drains as part of a foundation protection system. The drain handles the volume. The waterproofing seals the entry points. Used together, they cover both sides of the problem. One contractor, one warranty.

waterExterior and interior drain systems
plumbingCatch basin and downspout tie-ins
foundationPaired with foundation waterproofing

Why homeowners choose Bullfrog

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Common questions

Do French drains work in Florida?expand_more
Yes, when designed for Florida's specific conditions. Sandy soil pools water fast and Florida's water table is already high before rainy season starts. A properly designed French drain redirects this water away from your foundation before it builds hydrostatic pressure. Paired with foundation waterproofing, it is one of the most effective flood prevention systems for Central Florida homes.
What are the downsides of a French drain?expand_more
A French drain redirects surface water and reduces hydrostatic pressure. It does not seal foundation cracks or prevent moisture from entering through the wall itself. If your foundation already has gaps or eroded mortar joints, a drain alone will not stop water intrusion. For complete protection, a French drain should be paired with foundation waterproofing.
Do I need a permit to install a French drain in Florida?expand_more
Most residential French drain installations on private property don't require a permit in Florida, as long as the drain doesn't divert water onto neighboring properties or into wetlands. If the installation crosses a property line or affects protected land, a permit is required. Bullfrog will advise you on this before any work starts.
How long does a French drain last?expand_more
A properly installed French drain with filter fabric and clean gravel typically lasts 30 to 40 years. In Florida, root intrusion from nearby trees and sediment buildup are the most common causes of reduced drainage over time. Periodic flushing every few years keeps the system clear. Bullfrog's installations use filter fabric wrap on the pipe to slow sediment ingress.
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"Our backyard flooded every rainy season. Bullfrog ran a French drain along the back wall and tied in the downspouts. First storm after installation — completely clear."
FL

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