--- title: Plumbers in Honolulu: Cost Guide | OpenBook Local url: https://theopenbooklocal.com/guides/plumbers-cost-honolulu/ updated: 2026-11-01 --- Skip to content [OpenBook *Local*](https://theopenbooklocal.com/) More useful information before you make the call. - [Home](https://theopenbooklocal.com/) - [Honolulu](https://theopenbooklocal.com/honolulu/) - [Plumbers](https://theopenbooklocal.com/honolulu/plumbers/) - [Cost guide](https://theopenbooklocal.com/guides/plumbers-cost-honolulu/) - [Methodology](https://theopenbooklocal.com/methodology/) - [For businesses](https://theopenbooklocal.com/claim/) 1. [Home](https://theopenbooklocal.com/) 2. [Hawaii](https://theopenbooklocal.com/hawaii/) 3. [Honolulu](https://theopenbooklocal.com/honolulu/) 4. [Plumbers](https://theopenbooklocal.com/honolulu/plumbers/) 5. [Cost guide](https://theopenbooklocal.com/guides/plumbers-cost-honolulu/) Guide · Before you sign # Plumbers in Honolulu: Cost Guide to Prices, Deposits and Warranties What plumbers cost in Honolulu, what the 5 businesses in our report actually disclose about prices and terms, and the public facts and questions that belong in every quote. - Updated **November 1, 2026** - [The full Honolulu report](https://theopenbooklocal.com/honolulu/plumbers/) - [Methodology](https://theopenbooklocal.com/methodology/) Contents 1. What businesses disclose 2. Local facts 3. Checklist ## Section 1 What Honolulu businesses disclose From the 5 businesses in our [Honolulu report](https://theopenbooklocal.com/honolulu/plumbers/). The terms that matter most when something goes wrong are often the ones shared least. Price and contract terms on file for plumbers in Honolulu | Term | Disclosed by | What we've seen | |---|---|---| | Typical price range | 0 of 5 | Not provided | | Deposit | 0 of 5 | Not provided | | Payment schedule | 0 of 5 | Not provided | | Warranty | 0 of 5 | Not provided | | Change-order pricing | 0 of 5 | Not provided | | Cancellation terms | 0 of 5 | Not provided | | Financing | 0 of 5 | Not provided | | Estimate policy | 0 of 5 | Not provided | ## Public data Local facts: the rules and figures behind a Honolulu quote Your contract should match the local rules. These are the official sources. Local facts for plumbers in Honolulu | Fact | Figure | Period | Source | |---|---|---|---| | People per square mile | 5,639 | 2025 | [Calculated from U.S. Census Bureau 2025 estimates and Gazetteer land area](https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html) | | Land area | 60.6 sq mi | 2025 | [U.S. Census Bureau, 2025 Gazetteer files](https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html) | | Honolulu residents | 341,868 | July 1, 2025 | [U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025)](https://www.census.gov/data/tables/time-series/demo/popest/2020s-total-cities-and-towns.html) | | Population change since 2020 | -2.6% (from 350,993 (April 2020 base)) | 2020–2025 | [U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025)](https://www.census.gov/data/tables/time-series/demo/popest/2020s-total-cities-and-towns.html) | Figures from public sources. Sample figures show what our live public-data feed will fill in; they are not real counts. ## Section 2 Checklist before you sign 1. **An itemised written price.** Permits, materials, equipment, disposal and cleanup each on their own line. 2. **The deposit and payment stages in writing.** Each payment tied to finished work you can see. 3. **How changes are priced.** Fixed written price per change, or cost plus a stated markup. 4. **The warranty document.** What it covers, for how long, and whether it transfers. 5. **License and insurance.** Check the license on the state lookup; get the insurance certificate from the insurer. 6. **Cancellation and delays.** What you get back if you cancel, and what happens if the start date slips. [Compare 5 plumbers in Honolulu](https://theopenbooklocal.com/honolulu/plumbers/) ## Section 3 Frequently asked questions Which plumbers in Honolulu are included here? Every active business with enough public data is listed, so you can compare them on the same fields. 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. [OpenBook *Local*](https://theopenbooklocal.com/) Information sheets on local businesses. Every field shows where it came from, and anything a business hasn't told us is marked Not provided instead of being filled in. ## Browse - [All reports](https://theopenbooklocal.com/) - [Plumbers in Honolulu](https://theopenbooklocal.com/honolulu/plumbers/) - [Request quotes](https://theopenbooklocal.com/quote/) ## How we work - [About OpenBook Local](https://theopenbooklocal.com/about/) - [Methodology](https://theopenbooklocal.com/methodology/) - [Corrections](https://theopenbooklocal.com/corrections/) - [How we make money](https://theopenbooklocal.com/how-we-make-money/) - [Data sources](https://theopenbooklocal.com/data-sources/) - [Privacy](https://theopenbooklocal.com/privacy/) - [Terms](https://theopenbooklocal.com/terms/) - [Contact us](https://theopenbooklocal.com/contact/) ## Businesses - [Claim your sheet](https://theopenbooklocal.com/claim/) - [Supply information](https://theopenbooklocal.com/claim/#supply) - [Correct a sheet](https://theopenbooklocal.com/corrections/) Sheets are rechecked at least every 90 days. 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