WatertightHub
Newark, NJ

French Drain Installation Cost in Newark

$1,950 – $7,450

Average french drain installation cost in Newark · avg $4,700

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

French Drain Installation cost in Newark, 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 Newark.

Service in NewarkLowAverageHigh
Basement Waterproofing$2,950$6,000$9,050
Foundation Repair$2,850$6,450$10,000
Crawl Space Encapsulation$3,850$6,900$9,900
French Drain InstallationThis page$1,950$4,700$7,450
Sump Pump Installation$850$1,800$2,700

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 Newark

Annual rainfall
44"
Freeze-thaw cycles / yr
59
Frost depth
35"

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

Permits in Newark

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

Issuing authority: City of Newark Building Department · typical fee ~$210

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French Drain Installation in Newark: FAQ

How much does french drain installation cost in Newark?+

In Newark, french drain installation typically runs $1,950–$7,450, averaging about $4,700. The clay and coastal-plain soil soil and 59 freeze-thaw cycles a year are the biggest local price drivers.

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

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

Is french drain installation worth it in Newark?+

With 44" of annual rainfall and a 35" frost depth, untreated water intrusion in Newark tends to worsen each freeze-thaw season, so most homeowners find addressing it early is far cheaper than structural repair later.