33 plumbers across Niagara and Hamilton — 9 in St. Catharines, 5 in Niagara Falls, 4 in Lincoln, 3 in West Lincoln (including two Smithville shops), plus one Hamilton pin. No Pelham plumber is in the file. Ask for a C of Q on the Skilled Trades Ontario public register before anyone opens a wall.
Names and addresses come from public sources: the 2022 Niagara Employment Inventory, City of Hamilton open data (licensed garages), and OpenStreetMap. Phones and websites appear only when those sources already had them; a listing is not a licence — check STO, ESA, or TSSA yourself when the trade requires it. Featured placements are labelled advertising ($29/mo or $249/year), not rankings. Full detail.
Check a plumber’s C of Q on the Skilled Trades Ontario public register
Smithville / West Lincoln: best plumber in Smithville, ON · Smithville listings
Advertising disclosure: this Plumbing across Niagara and Hamilton list puts labelled Featured placements first. Other shops stay in sourced name order. Featured is $29 CAD/month or $249/year — not an editorial ranking. Full disclosure · Request Featured on this list
Plumbing · Niagara Falls
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Beamsville
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Smithville
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
Guide: best plumber in Smithville
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Plumbing · Welland
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · St. Catharines
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Thorold
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · St. Catharines
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Welland
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Niagara Falls
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · St. Catharines
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · St. Catharines
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Beamsville
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Fort Erie
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · St. Catharines
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · St. Catharines
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · St. Catharines
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · St. Catharines
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Thorold
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Fort Erie
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Fort Erie
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · West Lincoln
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
Guide: best plumber in Smithville
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Plumbing · Niagara Falls
johntheplumber.ca/niagara-falls
Hours: Monday–Friday Open 24 hours
Source: OpenStreetMap · Last checked
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Plumbing · Hamilton
Hours: Monday–Sunday 7:30 a.m.–11 p.m.
Source: OpenStreetMap · Last checked
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Plumbing · Beamsville
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Wainfleet
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Grimsby
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Niagara Falls
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · St. Catharines
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Smithville
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
Guide: best plumber in Smithville
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Plumbing · Lincoln
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Niagara Falls
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Port Colborne
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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Plumbing · Niagara-on-the-Lake
Phone not published in the source inventory.
Source: Niagara Employment Inventory (2022) · Last checked
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