WatertightHub
Plano, TX

Basement Waterproofing Cost in Plano

$2,200 – $6,850

Average basement waterproofing cost in Plano · avg $4,550

  • Updated 2026
  • 12 local pros
  • Based on local project data
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At a glance · Plano
Typical timeline
1–3 days
Permit
Usually required · ~$170
Local soil
expansive clay
Freeze-thaw cycles
22 / yr
Local pros
12 available

Basement Waterproofing cost in Plano, TX

Interior and exterior systems that stop water seepage through foundation walls and floors. Below is how it compares with related foundation and drainage work in Plano.

Service in PlanoLowAverageHigh
Basement WaterproofingThis page$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 Installation$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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12 established basement waterproofing companies serve the Plano area. Tell us about your project and compare free quotes, no obligation.

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Basement Waterproofing in Plano: FAQ

How much does basement waterproofing cost in Plano?+

In Plano, basement waterproofing typically runs $2,200–$6,850, averaging about $4,550. The expansive clay soil and 22 freeze-thaw cycles a year are the biggest local price drivers.

Do I need a permit for basement waterproofing 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 basement waterproofing 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.