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Plano, TX

French Drain Installation Cost in Plano

$1,450 – $5,650

Average french drain installation cost in Plano · avg $3,550

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

French Drain Installation cost in Plano, 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 Plano.

Service in PlanoLowAverageHigh
Basement Waterproofing$2,200$4,550$6,850
Foundation Repair$2,100$4,850$7,600
Crawl Space Encapsulation$2,900$5,200$7,500
French Drain InstallationThis page$1,450$3,550$5,650
Sump Pump Installation$600$1,350$2,050

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

What affects the cost in Plano

Annual rainfall
32"
Freeze-thaw cycles / yr
22
Frost depth
6"

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

Permits in Plano

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

Issuing authority: City of Plano Building & Zoning Department · typical fee ~$170

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French Drain Installation in Plano: FAQ

How much does french drain installation cost in Plano?+

In Plano, french drain installation typically runs $1,450–$5,650, averaging about $3,550. The expansive clay soil and 22 freeze-thaw cycles a year are the biggest local price drivers.

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

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

Is french drain installation worth it in Plano?+

With 32" of annual rainfall and a 6" frost depth, untreated water intrusion in Plano tends to worsen each freeze-thaw season, so most homeowners find addressing it early is far cheaper than structural repair later.