--- title: Plumbers in Honolulu: costs and the proof to ask for | LocalProof url: https://thelocalproof.com/guides/plumbers-cost-honolulu/ updated: 2026-11-01 --- Skip to content [Local **Proof**](https://thelocalproof.com/) Proof of real work, with the source and date. [For businesses](https://thelocalproof.com/claim/) - [Plumbers in Honolulu](https://thelocalproof.com/honolulu/plumbers/) - [Guide](https://thelocalproof.com/guides/plumbers-cost-honolulu/) - [What counts as proof](https://thelocalproof.com/what-counts-as-proof/) - [Corrections](https://thelocalproof.com/corrections/) - [How we make money](https://thelocalproof.com/how-we-make-money/) 1. [Home](https://thelocalproof.com/) 2. [Hawaii](https://thelocalproof.com/hawaii/) 3. [Honolulu](https://thelocalproof.com/honolulu/) 4. [Plumbers](https://thelocalproof.com/honolulu/plumbers/) 5. Cost guide Guide Plumbers · Honolulu Updated Nov 1, 2026 # Plumbers in Honolulu: costs and the proof to ask for The same evidence we look for on every LocalProof profile, written so you can look it up yourself. All of it is free and public. ## The proof to look up 1. ### Look up their permits Search the company name on the county or city permit portal. Recent permits that closed with a passed inspection are the clearest proof of real work. Ask about it: no permits for work that normally needs one, or many left open. 2. ### Read reviews by date, not by average Look at the last three months on two sites. A steady flow over years says more than a high score. Ask about it: a burst of reviews in one week, or none for a year. 3. ### Match the license to the contract The license holder on the state lookup should be the company on your contract. Ask about it: a license in another company's name. 4. ### Ask for two recent job addresses Match them to permits, or ask to speak to those customers. Photos alone don't show whose work it was. 5. ### Ask who pulls your permit The contractor should pull it in its own name, not yours. Ask about it: “It's quicker if you pull it yourself.” 6. ### Tie payments to inspections Pay in stages that follow the work and its inspections, and get lien releases before the final payment. Many gaps have a plain explanation. Ask in writing and look for an answer you can check. ## Already looked up for you The [plumbers in Honolulu](https://thelocalproof.com/honolulu/plumbers/) list shows the 5 with the most proof of work, out of 5 on file. Public record · Honolulu ## What the public record says about Honolulu People per square mile 5,639 [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) · 2025 Land area 60.6 sq mi [U.S. Census Bureau, 2025 Gazetteer files](https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html) · 2025 Honolulu residents 341,868 [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) · July 1, 2025 Population change since 2020 -2.6% from 350,993 (April 2020 base) [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) · 2020–2025 Questions ## More questions How is the top 5 ranking of plumbers in Honolulu calculated? Each business gets a score from its rating, review volume, recent reviews, years in business, profile completeness and record checks. The highest scores make the list. 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. [Local **Proof**](https://thelocalproof.com/) Proof that a business actually does the work: permits, review history and public records, each with its source and date. What a business only claims is labelled as a claim. ## Directory - [All proof lists](https://thelocalproof.com/) - [Request quotes](https://thelocalproof.com/quote/) ## Proof - [What counts as proof](https://thelocalproof.com/what-counts-as-proof/) - [Corrections](https://thelocalproof.com/corrections/) - [About LocalProof](https://thelocalproof.com/about/) - [Contact](https://thelocalproof.com/contact/) - [Data sources](https://thelocalproof.com/data-sources/) - [Privacy](https://thelocalproof.com/privacy/) - [Terms](https://thelocalproof.com/terms/) ## Businesses - [Claim a profile or add proof](https://thelocalproof.com/claim/) - [Report an error](https://thelocalproof.com/corrections/) - [How we make money](https://thelocalproof.com/how-we-make-money/) **How we make money.** Businesses can pay for profile tools and lead notifications, and may pay when you send them a quote request. Money can't add a permit, change a date or move a business up a list. Sponsored placements are labelled. © 2026 LocalProof · [About](https://thelocalproof.com/about/) · [Contact](https://thelocalproof.com/contact/) · [Privacy](https://thelocalproof.com/privacy/) · Every fact is shown as of the date beside it