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Trenton, NJ

Sump Pump Installation Cost in Trenton

$800$2,750

Average sump pump installation cost in Trenton · avg $1,800

  • Updated 2026
  • 12 local pros
  • Based on local project data
At a glance · Trenton
Typical timeline
Under 1 day
Permit
Usually required · ~$190
Local soil
clay and coastal-plain soil
Freeze-thaw cycles
54 / yr
Local pros
12 available

Sump Pump Installation cost in Trenton, NJ

Pump systems that evacuate collected water from a basement or crawl space pit. Below is how it compares with related foundation and drainage work in Trenton.

Service in TrentonLowAverageHigh
Basement Waterproofing$2,900$6,050$9,150
Foundation Repair$2,800$6,500$10,150
Crawl Space Encapsulation$3,800$6,900$10,000
French Drain Installation$1,900$4,700$7,500
Sump Pump InstallationThis page$800$1,800$2,750

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 Trenton

Annual rainfall
44"
Freeze-thaw cycles / yr
54
Frost depth
39"

Trenton's clay-heavy soil drains slowly and holds water against foundation walls, steadily forcing moisture through cracks and cold joints.

Permits in Trenton

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

Issuing authority: City of Trenton Building & Zoning Department · typical fee ~$190

Get matched with sump pump installation pros in Trenton

12 established sump pump installation companies serve the Trenton area. Tell us about your project and compare free quotes, no obligation.

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Sump Pump Installation in Trenton: FAQ

How much does sump pump installation cost in Trenton?+

In Trenton, sump pump installation typically runs $800–$2,750, averaging about $1,800. The clay and coastal-plain soil soil and 54 freeze-thaw cycles a year are the biggest local price drivers.

Do I need a permit for sump pump installation in Trenton?+

Structural foundation work and exterior excavation require a permit; interior waterproofing and minor crack sealing usually do not. Permits are handled by City of Trenton Building & Zoning Department, with a typical fee around $190.

Is sump pump installation worth it in Trenton?+

With 44" of annual rainfall and a 39" frost depth, untreated water intrusion in Trenton tends to worsen each freeze-thaw season, so most homeowners find addressing it early is far cheaper than structural repair later.