Home Repair Decoded

Sump Pump Installation Cost in Hawaii

$490 – $2,000We estimate sump pump installation in Hawaii at $490 to $2,000 for a new pump in a basement or crawlspace pit. The national estimate is $450 to $1,850. Hawaii plumber pay is 22% above the national median, ranking 12 of 51.
Part of the jobLowHigh
Parts and materials (our assumption)$300$1,000
Labor hours (our assumption)26
Billed labor rate per hour$94$169
Estimated total$490$2,000

Our estimate, not a quote. Billed rate is the Hawaii median wage from BLS (2025, $37.53 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 Hawaii

Hawaii's Board of Electricians and Plumbers issues plumber licenses. Even when a county does not require a plumbing permit, the work may still have to be performed by a licensed plumber.

Compared with neighboring states

StateMedian wageLowHigh
California$35.01$480$1,950

Other plumber jobs in Hawaii

Sump Pump Installation cost in every state · Hawaii 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.