Flooded crawl space with insulated pipes and standing brown water beneath a house

Grading: Fixing the Slope That's Sending Water the Wrong Direction

Every drainage system works better — and some problems disappear entirely — once the ground around your home is actually sloped the right way. When grading is flat, reversed, or has settled toward the foundation over the years (which happens gradually and easily goes unnoticed), water pools right where you least want it, no matter how good your gutters or drains are otherwise.

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How Grading Problems Develop

Homes are typically built with a slight slope away from the foundation, but that grading doesn't always stay put. Soil settles and compacts over years, especially in the backfilled area right around a foundation. Landscaping changes, added mulch beds, or a new patio or walkway can inadvertently create a new low point. In our clay-soil region, repeated wet-dry cycles can also cause soil to settle unevenly over time, gradually flattening or reversing a slope that worked fine when the home was new.

Our Grading Process

We assess the existing slope around your home and identify where it's inadequate, flat, or reversed. Correcting it typically involves adding and compacting fill soil to reestablish a proper slope away from the foundation — generally moving downward for the first several feet before leveling off — and re-establishing landscaping so it doesn't recreate the same problem. Where grading alone can't fully solve a low spot or a larger drainage issue, we combine it with French drains, catch basins, or downspout drainage as part of a complete solution.

Signs Your Grading Needs Correction

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Water visibly pools against your foundation after rain

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The ground near your foundation looks flat or slopes slightly toward the house

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Mulch beds or landscaping create a dam that traps water near the foundation

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A specific area of the yard consistently stays wetter than the rest

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Crawl space or basement moisture concentrated on one particular side of the house

Why Grading Is Often the First Thing to Check

Before installing more involved drainage systems, correcting grading is frequently the most cost-effective first step, since it works with gravity instead of relying on pipes and pumps to do all the work. We evaluate grading as a standard part of every drainage inspection, because a well-graded yard often needs less additional drainage infrastructure than a poorly graded one — which can mean a smaller project and lower cost overall.

Frequently Asked Questions

  • How much slope does my yard actually need near the foundation?

    A common guideline is about a 6-inch drop over the first 10 feet away from the foundation, though the right amount depends on your soil, yard layout, and existing drainage. We assess your specific property during inspection. 

  • Will regrading disturb my landscaping?

    Some adjustment to plant beds, mulch, or edging near the foundation is often necessary to correct grading properly, and we work with you on restoring the area afterward. 

  • Can grading alone fix my water problem, or will I need drains too?

    For mild issues, grading correction alone is sometimes enough. For larger volumes of water or persistent low spots, grading works best combined with French drains or catch basins — we'll recommend the right combination after inspecting your property. 

If the ground around your house isn't sloped the right way, everything downstream of that gets harder to fix. Get a free inspection and find out whether grading is the missing piece. Call (706) 669-0265.