Cost guideHonolulu · Plumbers
Plumbers Costs in Honolulu
Ask these five questions before you hire
Prices vary with the job. The fastest way to a fair number is to ask every business the same questions and compare the answers.
What does a typical project cost?
Prices on websites are rare and rarely comparable. We ask for the range clients actually paid in the last 12 months, and what that range includes.
How long does a typical project take?
A schedule tells you how a business plans. We ask for the time from signed contract to finished job, and what most often makes it late.
What should homeowners prepare before asking for a quote?
A better first conversation gets you a firmer price. We ask what saves the most time and money before anyone visits.
What kind of work do you specialize in?
Most businesses say they do everything. We ask what they do most and best, and what they turn down.
What expensive mistake do homeowners commonly make?
Businesses see the same mistakes again and again. We ask for the one that costs their clients the most.
See how Honolulu businesses answer
5 local plumbers businesses, the same five questions, side by side.
Honolulu facts from public records
Public figures and rules that affect what the job costs and how long it takes.
People per square mile
5,639
Source: Calculated from U.S. Census Bureau 2025 estimates and Gazetteer land area · 2025
Land area
60.6 sq mi
Source: U.S. Census Bureau, 2025 Gazetteer files · 2025
Honolulu residents
341,868
Source: U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025) · July 1, 2025
Population change since 2020
-2.6%
from 350,993 (April 2020 base)
Source: U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025) · 2020–2025
Figures from public sources, checked November 1, 2026. Facts marked “Sample figure” illustrate what our data pipeline will fill in from the named source; they are not real counts.
Cost questions, answered
How did the editors choose these plumbers in Honolulu?
Editors shortlist businesses with strong ratings and enough reviews, check their records, and choose the final picks against the published criteria. We compared 5 plumbers for Honolulu. Paid placements never change the order.
Which of these plumbers in Honolulu has the best reviews?
Roto-Rooter Plumbing & Water Cleanup has a 4.8 rating from 1058 (2021) (2021) public reviews, the highest on this page.
Are these plumbers licensed?
5 of the 5 businesses here had their state license checked against public records. Each profile shows the source and the date of the check.
How many quotes should I get for plumbers in Honolulu?
Get at least three. Use the quote form on this page: only the businesses you tick receive your request.