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Frederick, MD

French Drain Installation Cost in Frederick

$1,750 – $6,550

Average french drain installation cost in Frederick · avg $4,150

  • Updated 2026
  • 12 local pros
  • Based on local project data
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At a glance · Frederick
Typical timeline
1–2 days
Permit
Usually required · ~$190
Local soil
clay and Piedmont soil
Freeze-thaw cycles
54 / yr
Local pros
12 available

French Drain Installation cost in Frederick, MD

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 Frederick.

Service in FrederickLowAverageHigh
Basement Waterproofing$2,650$5,300$7,950
Foundation Repair$2,550$5,700$8,800
Crawl Space Encapsulation$3,450$6,100$8,700
French Drain InstallationThis page$1,750$4,150$6,550
Sump Pump Installation$750$1,600$2,400

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

What affects the cost in Frederick

Annual rainfall
44"
Freeze-thaw cycles / yr
54
Frost depth
30"

The tight soils under Frederick shed water poorly, so hydrostatic pressure builds against basement walls after every heavy rain and thaw.

Permits in Frederick

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

Issuing authority: City of Frederick Building Department · typical fee ~$190

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French Drain Installation in Frederick: FAQ

How much does french drain installation cost in Frederick?+

In Frederick, french drain installation typically runs $1,750–$6,550, averaging about $4,150. The clay and Piedmont soil soil and 54 freeze-thaw cycles a year are the biggest local price drivers.

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

Exterior drainage and structural repairs are permitted work here; interior sealing and sump-pump installs frequently are not. Permits are handled by City of Frederick Building Department, with a typical fee around $190.

Is french drain installation worth it in Frederick?+

With 44" of annual rainfall and a 30" frost depth, untreated water intrusion in Frederick tends to worsen each freeze-thaw season, so most homeowners find addressing it early is far cheaper than structural repair later.