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Drainage Systems & Leaky Basements by Design Exteriors
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Drainage Systems & Leaky Basements

Solve drainage problems and leaky basements at the landscape level.

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A leaky basement or a soggy backyard almost always has its root cause outside the house — grading, downspouts, saturated soil, or missing sub-surface drainage.

We troubleshoot and correct drainage problems as part of landscape work: regrading, downspout extensions, French drains, area drains, catch basins, and swales sized to Denver's storm events and soils. On persistent leaky-basement projects we coordinate with waterproofing contractors so the exterior fix supports the interior fix.

Every drainage system is designed so it looks like landscape — inlets tucked into planting beds, discharge points that read intentional, and grades that slope away from the house without looking engineered.

  • French drains and sub-surface drainage
  • Area drains and catch basins
  • Downspout extensions and dry wells
  • Regrading around foundations
  • Swales and surface drainage

Start your drainage systems & leaky basements project