WatertightHub
Plymouth, MN

Basement Waterproofing Cost in Plymouth

$2,400 – $7,200

Average basement waterproofing cost in Plymouth · avg $4,800

  • Updated 2026
  • 12 local pros
  • Based on local project data
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At a glance · Plymouth
Typical timeline
1–3 days
Permit
Usually required · ~$160
Local soil
glacial till and clay
Freeze-thaw cycles
42 / yr
Local pros
12 available

Basement Waterproofing cost in Plymouth, MN

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 Plymouth.

Service in PlymouthLowAverageHigh
Basement WaterproofingThis page$2,400$4,800$7,200
Foundation Repair$2,300$5,150$8,000
Crawl Space Encapsulation$3,150$5,550$7,900
French Drain Installation$1,600$3,800$5,950
Sump Pump Installation$700$1,450$2,200

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

What affects the cost in Plymouth

Annual rainfall
31"
Freeze-thaw cycles / yr
42
Frost depth
54"

Plymouth's dense glacial till drains slowly and holds water against foundation walls, and roughly 42 freeze-thaw cycles a year work existing cracks wider each winter.

Permits in Plymouth

Structural foundation work and exterior excavation require a permit; interior waterproofing and minor crack sealing usually do not.

Issuing authority: City of Plymouth Department of Buildings · typical fee ~$160

Get matched with basement waterproofing pros in Plymouth

12 established basement waterproofing companies serve the Plymouth area. Tell us about your project and compare free quotes, no obligation.

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Basement Waterproofing in Plymouth: FAQ

How much does basement waterproofing cost in Plymouth?+

In Plymouth, basement waterproofing typically runs $2,400–$7,200, averaging about $4,800. The glacial till and clay soil and 42 freeze-thaw cycles a year are the biggest local price drivers.

Do I need a permit for basement waterproofing in Plymouth?+

Structural foundation work and exterior excavation require a permit; interior waterproofing and minor crack sealing usually do not. Permits are handled by City of Plymouth Department of Buildings, with a typical fee around $160.

Is basement waterproofing worth it in Plymouth?+

With 31" of annual rainfall and a 54" frost depth, untreated water intrusion in Plymouth tends to worsen each freeze-thaw season, so most homeowners find addressing it early is far cheaper than structural repair later.