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Edison, NJ

French Drain Installation Cost in Edison

$1,800 – $7,650

Average french drain installation cost in Edison · avg $4,750

  • Updated 2026
  • 12 local pros
  • Based on local project data
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At a glance · Edison
Typical timeline
1–2 days
Permit
Usually required · ~$210
Local soil
clay and coastal-plain soil
Freeze-thaw cycles
53 / yr
Local pros
12 available

French Drain Installation cost in Edison, NJ

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 Edison.

Service in EdisonLowAverageHigh
Basement Waterproofing$2,800$6,050$9,300
Foundation Repair$2,650$6,500$10,350
Crawl Space Encapsulation$3,650$6,950$10,200
French Drain InstallationThis page$1,800$4,750$7,650
Sump Pump Installation$800$1,800$2,800

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

What affects the cost in Edison

Annual rainfall
48"
Freeze-thaw cycles / yr
53
Frost depth
36"

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

Permits in Edison

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

Issuing authority: City of Edison Building & Zoning Department · typical fee ~$210

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French Drain Installation in Edison: FAQ

How much does french drain installation cost in Edison?+

In Edison, french drain installation typically runs $1,800–$7,650, averaging about $4,750. The clay and coastal-plain soil soil and 53 freeze-thaw cycles a year are the biggest local price drivers.

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

Exterior drainage and structural repairs are permitted work here; interior sealing and sump-pump installs frequently are not. Permits are handled by City of Edison Building & Zoning Department, with a typical fee around $210.

Is french drain installation worth it in Edison?+

With 48" of annual rainfall and a 36" frost depth, untreated water intrusion in Edison tends to worsen each freeze-thaw season, so most homeowners find addressing it early is far cheaper than structural repair later.