# Drainage contractors in Richmond Hill

9 drainage contractors near Richmond Hill, ranked by the strength of independent public evidence. Trust Score is used when available, drawing on reviews, credential evidence and registry data from named public sources, cross-checked wherever more than one source covers a business. No ads, no paid placement. Grouped by main trade first, then businesses that also offer this trade, with possibly closed businesses last. Highest Trust Score first within each group. All 9 are listed below, ranked by evidence.

| Contractor | Location | Trust Score | Rating | Reviews | Named sources | Listed under |
| --- | --- | --- | --- | --- | --- | --- |
| [Stone Crew Landscaping Inc.](https://ca.mytrustedtraders.com/traders/stone-crew-landscaping-inc) | Richmond Hill | 55/100 | 5.0/5 | 26 | HomeStars | Also offer this trade |
| [FP Plumbing](https://ca.mytrustedtraders.com/traders/fp-plumbing) | Richmond Hill | 43/100 | 5.0/5 | 61 | HomeStars | Also offer this trade |
| [DVerse](https://ca.mytrustedtraders.com/traders/dverse) | Richmond Hill | 40/100 | 5.0/5 | 15 | HomeStars | Also offer this trade |
| [Plumbing Gta](https://ca.mytrustedtraders.com/traders/plumbing-gta) | Richmond Hill | 32/100 | 5.0/5 | 10 | HomeStars | Also offer this trade |
| [Work Done Pro](https://ca.mytrustedtraders.com/traders/work-done-pro) | Richmond Hill | 28/100 | 5.0/5 | 8 | HomeStars | Also offer this trade |
| [Truecast Concrete](https://ca.mytrustedtraders.com/traders/truecast-concrete) | Richmond Hill | 25/100 | 5.0/5 | 3 | HomeStars | Also offer this trade |
| [Umbrella Waterproofing, Drains And Plumbing Solutions](https://ca.mytrustedtraders.com/traders/umbrella-waterproofing-drains-and-plumbing-solutio) | Richmond Hill | Not shown | 5.0/5 | 192 | HomeStars | Also offer this trade |
| [J.A. Plumbing](https://ca.mytrustedtraders.com/traders/ja-plumbing) | Richmond Hill | Not shown | 5.0/5 | 57 | HomeStars | Also offer this trade |
| [Hessam Kolbari](https://ca.mytrustedtraders.com/traders/hessam-kolbari) | Richmond Hill | Not shown | 5.0/5 | 29 | HomeStars | Also offer this trade |

Each contractor's full public evidence is at its profile URL (append `/md` for a Markdown version). See all drainage contractors in Canada at `https://ca.mytrustedtraders.com/find/drainage-contractor`.

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Source: MyTrustedTraders. https://ca.mytrustedtraders.com/find/drainage-contractor/richmond-hill
Real public evidence only: every figure traces to a named source, and figures are cross-checked wherever more than one independent source covers the same business. If a source does not carry a field, it is not shown.