Home Repair Decoded

Sump Pump Installation Cost in Delaware

$460 – $1,850We estimate sump pump installation in Delaware at $460 to $1,850 for a new pump in a basement or crawlspace pit. The national estimate is $450 to $1,850. Delaware plumber pay is 1% above the national median, ranking 23 of 51.
Part of the jobLowHigh
Parts and materials (our assumption)$300$1,000
Labor hours (our assumption)26
Billed labor rate per hour$78$140
Estimated total$460$1,850

Our estimate, not a quote. Billed rate is the Delaware median wage from BLS (2025, $31.11 an hour) times 2.5 to 4.5 to cover payroll costs, overhead, travel and profit. How we estimate

What our assumptions are based on

ItemSourced figureBasisSource
Labor hours1 – 41 to 3 hours for a replacement (Fixr); about 1 hour for a replacement and 2 to 4 hours for a new installation (Bob Vila).Fixr, Bob Vila

What other publishers report

National figures as published by each source, checked 2026-11-03. Their scope can differ from ours.
PublisherLowHighScope
This Old House$500$4,000New submersible pump and pit. Page dated March 2026.
Fixr$800$2,000New installation with a new pit. Page dated January 2025.
Fixr$350$1,000Replacement. Page dated January 2025.
Bob Vila$1,200$2,500First-time installation, citing Angi. Page dated January 2024.

Who can legally do this in Delaware

The Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners must issue a license for any plumbing work in Delaware.

Check a license with Delaware Division of Professional Regulation, Verify a License

Compared with neighboring states

StateMedian wageLowHigh
Maryland$31.44$460$1,850
New Jersey$37.61$490$2,000
Pennsylvania$32.73$460$1,900

Other plumber jobs in Delaware

Sump Pump Installation cost in every state · Delaware home repair guide

Sources

General information, not professional advice. Conditions, codes and prices vary. Turn off power, gas or water before any work, and hire a licensed professional when in doubt. Cost figures are our estimates, not quotes.