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Plymouth, MN

French Drain Installation Cost in Plymouth

$1,600$5,950

Average french drain installation cost in Plymouth · avg $3,800

  • Updated 2026
  • 12 local pros
  • Based on local project data
At a glance · Plymouth
Typical timeline
1–2 days
Permit
Usually required · ~$160
Local soil
glacial till and clay
Freeze-thaw cycles
42 / yr
Local pros
12 available

French Drain Installation cost in Plymouth, MN

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 Plymouth.

Service in PlymouthLowAverageHigh
Basement Waterproofing$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 InstallationThis page$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

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French Drain Installation in Plymouth: FAQ

How much does french drain installation cost in Plymouth?+

In Plymouth, french drain installation typically runs $1,600–$5,950, averaging about $3,800. 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 french drain installation 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 french drain installation 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.