WatertightHub
Houston, TX

French Drain Installation Cost in Houston

$1,500 – $5,800

Average french drain installation cost in Houston · avg $3,650

  • Updated 2026
  • 12 local pros
  • Based on local project data
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At a glance · Houston
Typical timeline
1–2 days
Permit
Usually required · ~$170
Local soil
expansive clay
Freeze-thaw cycles
16 / yr
Local pros
12 available

French Drain Installation cost in Houston, TX

Perimeter drainage that channels groundwater away from the foundation before it gets in. Below is how it compares with related foundation and drainage work in Houston.

Service in HoustonLowAverageHigh
Basement Waterproofing$2,300$4,700$7,050
Foundation Repair$2,200$5,050$7,850
Crawl Space Encapsulation$3,000$5,400$7,750
French Drain InstallationThis page$1,500$3,650$5,800
Sump Pump Installation$650$1,400$2,150

Ranges reflect local labor and expansive clay soil conditions. Your quote depends on square footage, access, and severity.

What affects the cost in Houston

Annual rainfall
33"
Freeze-thaw cycles / yr
16
Frost depth
7"

The expansive clay beneath Houston expands and contracts with the seasons, prying open cracks that let groundwater into basements and crawl spaces.

Permits in Houston

Exterior drainage and structural repairs are permitted work here; interior sealing and sump-pump installs frequently are not.

Issuing authority: City of Houston Building Department · typical fee ~$170

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French Drain Installation in Houston: FAQ

How much does french drain installation cost in Houston?+

In Houston, french drain installation typically runs $1,500–$5,800, averaging about $3,650. The expansive clay soil and 16 freeze-thaw cycles a year are the biggest local price drivers.

Do I need a permit for french drain installation in Houston?+

Exterior drainage and structural repairs are permitted work here; interior sealing and sump-pump installs frequently are not. Permits are handled by City of Houston Building Department, with a typical fee around $170.

Is french drain installation worth it in Houston?+

With 33" of annual rainfall and a 7" frost depth, untreated water intrusion in Houston tends to worsen each freeze-thaw season, so most homeowners find addressing it early is far cheaper than structural repair later.