Manage water around your foundation
Drainage and Soil Stabilization
Schedule a review of runoff, grading, erosion, and soil movement. Book Now
Manage water around your foundation
Schedule a review of runoff, grading, erosion, and soil movement. Book Now
Foundation performance is closely connected to the soil that supports it. In North Texas, clay-rich soil can expand when wet and shrink during dry periods. Problems become more likely when one area stays saturated while another dries out, or when runoff erodes soil near the structure. Drainage and soil stabilization work aims to create more controlled conditions around the foundation.
Plano Foundation Repair reviews roof runoff, grading, low spots, downspout discharge, surface flow, erosion, hardscape, irrigation, vegetation, and visible soil separation. Depending on the property, improvements may include redirecting water, adding collection and discharge systems, rebuilding grades, protecting exposed soil, or stabilizing localized weak areas.
There is no single drainage system that fits every lot. A solution must account for the direction water enters, where it collects, how it can be carried away, neighboring elevations, discharge restrictions, soil type, landscaping, and the structure's foundation.
Large roof areas can release substantial water near the foundation. Gutters, downspouts, extensions, splash control, and underground conveyance may be used to move water to an appropriate discharge point. Surface grading should also encourage water to travel away from the structure without creating erosion or sending water onto neighboring property.
Where natural slope is limited, area drains, catch basins, channel drains, swales, or pumped systems may be considered. The design should include maintenance access and a reliable outlet. A drain without a workable discharge location may simply move the problem a few feet.
Localized soil loss, soft areas, poorly compacted fill, or repeated washout can reduce support near foundations, walks, patios, and drainage structures. Stabilization may include replacement and compaction, controlled fill, erosion protection, or specialized treatment depending on the condition.
The goal is not to keep soil constantly wet. It is to reduce extreme, uneven changes and prevent concentrated water from damaging the site. Irrigation practices, landscaping, and seasonal maintenance may be part of that plan.
Low or negatively sloped areas can be reshaped where practical to move surface water away from the foundation.
Roof runoff can be redirected using extensions or buried conveyance to a suitable discharge area.
Catch basins, area drains, channel drains, or related systems may be used where water repeatedly collects.
Shallow graded channels can guide water across the property while reducing ponding near the structure.
Washed-out soil and vulnerable flow areas can be rebuilt and protected against future runoff.
Weak, loose, or poorly compacted areas may be treated or rebuilt to improve support and reduce continued settlement.
Support points stop movement that has already happened. Water management is what keeps the next round from starting, and it is usually the cheaper half of the job.
The clay here does not damage a structure by being wet or by being dry. It does damage by being wet in one place and dry in another at the same time. Everything below is aimed at the same goal: keeping moisture around the perimeter as even as the seasons allow.
The ground should fall away from the structure roughly six inches over the first ten feet. Flat or reverse grade sends roof runoff straight back against the edge, and it is the most common problem found on a walk-around.
A downspout emptying at the corner concentrates the entire roof plane into one spot. Carrying that discharge five to ten feet out, above ground or buried, is the cheapest meaningful improvement available.
A gravel-filled trench with perforated pipe, wrapped in filter fabric and sloped to daylight, intercepts water moving through the soil. Suited to a yard that stays saturated, not to surface puddles.
Catch basins set in low spots and tied to solid pipe carry standing water off the lot. The right answer when water pools on the surface rather than sitting in the soil.
A vertical barrier set between a large tree and the structure keeps roots from drawing moisture out of the soil on that side. Far preferable to removing a mature tree, which creates its own heave problem.
A hose set 18 to 24 inches out from the edge, run briefly on a regular schedule through dry spells, keeps soil moisture steady. Consistency matters more than volume.
Two mistakes account for most of the drainage work that fails. The first is a French drain installed where the problem was surface water, which does very little because the water never reaches the pipe. The second is a drain with no real fall and nowhere to discharge, which simply relocates a puddle. Before agreeing to trenching, ask where the water will exit and what the slope is along the run. If nobody can answer that clearly, the design is not finished.
Removing a large tree near the house deserves its own caution. The soil that tree has been drying out for years will rehydrate once the roots stop drawing from it, and the resulting heave can lift a corner and cause as much damage as the settlement you were trying to prevent. A root barrier is usually the safer intervention.
| Service | Estimated Cost | Average |
|---|---|---|
| Downspout and minor runoff correction | $500–$2,500 | $1,500 |
| Grading and erosion repair | $1,500–$7,500 | $4,500 |
| Surface drainage system | $3,000–$15,000+ | $9,000 |
| Localized soil stabilization | $2,500–$20,000+ | $11,250 |
Costs vary with excavation, system length, discharge location, utility conflicts, soil removal, fill material, access, landscaping restoration, pumps, permits, and the complexity of moving water safely.
We consider how water affects soil support around the structure rather than treating drainage as a purely cosmetic yard issue.
A drainage system needs a practical discharge location that does not create new problems elsewhere.
Roof runoff, grading, patios, walks, fences, landscaping, and neighboring elevations are reviewed together.
We discuss cleaning, inspection, vegetation, sediment, pumps, and other upkeep needed to keep the system working.
Yes, and it is a common approach where soil beside the structure stays saturated. The trench is kept a short distance out from the edge rather than tight against it, sloped consistently toward a discharge point, and wrapped in filter fabric so soil does not clog the gravel. Where the problem is surface pooling instead, a surface drain does more for less money.
Commonly $2,000 to $5,000 installed, depending on depth, soil, and how difficult the discharge point is to reach. Runs that cross hardscape, require boring under a driveway, or need a pump because there is no gravity outlet sit above that range. Simpler regrading and downspout work often runs $500 to $2,000.
Installing one where the water is on the surface rather than in the soil, running the trench with too little fall, omitting filter fabric so the gravel silts up, and having no clear discharge point so the water simply reappears elsewhere. Ask where the water exits before agreeing to any trenching.
A properly built one with filter fabric and clean gravel typically performs well for twenty to thirty years. Systems installed without fabric, or in silty soil with no filtration, can clog within a few years. Keeping the outlet clear and unobstructed is most of the maintenance it needs.
Start with the cheaper options, because they often solve it. Regrading so the ground falls away from the structure, extending downspouts well clear of the corners, and adding catch basins in low spots address most water problems on a typical lot. A French drain is the right answer specifically when water is moving through saturated soil rather than sitting on top of it.
A common target is about six inches of fall across the first ten feet, roughly a five percent grade. Getting the first few feet right matters most. Where a fence, a neighboring lot, or a slab patio makes that impossible, a drain that intercepts the water becomes the practical substitute.
They do where a large tree sits close to the structure and is drawing moisture unevenly from one side. A vertical barrier installed between the tree and the house limits root growth in that direction so the soil beside the perimeter stays closer to the moisture level everywhere else. It is generally a better option than removing a mature tree.
Sometimes, if the movement is recent and modest and a single obvious water problem is driving it. Correcting that and keeping moisture steady can be enough. Where a section has already settled meaningfully, drainage work protects the repair but does not lift what has dropped. An elevation survey is what tells you which situation you are in.
Water collecting near the foundation is easier to address before erosion and soil movement become more severe.
Quick, simple, and no obligation
We ask where water enters, where it collects, how long it remains, and what changes occur after storms.
The team reviews roof discharge, slopes, low areas, hardscape, erosion, soil exposure, vegetation, and possible outlets.
We consider whether moisture differences, erosion, or saturated areas may be influencing structural movement.
The plan may combine grading, collection, conveyance, discharge, erosion protection, and soil work.
Excavation, piping, basins, grading, fill, and protective materials are installed according to the approved scope.
We explain expected water movement, maintenance needs, and conditions to monitor during future storms.