Bathroom & Kitchen Plumbing Remodel in Ontario
Bathroom and kitchen remodels are where plumbing work gets complicated. This isn't a leaky faucet call, it's moving supply lines and drains to fit a new layout, tying into existing stacks, coordinating with tile and cabinet installers, and making sure everything passes inspection before the walls close up. The 63 businesses in this category handle jobs like relocating a tub or shower drain, installing a new kitchen island sink that needs a fresh drain run, converting a tub to a walk-in shower, swapping in a gas or tankless water heater during a kitchen upgrade, and running new supply lines for double vanities or pot fillers.
Because remodel plumbing touches the structure of the house, the stakes are higher than a repair call. A buyer should ask whether the plumber pulls permits and handles inspections directly, how they sequence work with other trades (framers, tilers, electricians), whether they warranty rough-in work separately from finish fixtures, and if they've done the specific job before, like relocating a drain stack or venting a new island sink. Get a written scope that separates rough-in, fixture installation, and any drywall or patch work, since that's where scope disputes usually start.
Our scoring weighs verified license and insurance status, how consistently a company shows up in customer feedback for remodel-specific work (not just repairs), responsiveness, and whether pricing is transparent before work starts. See the full ranked guide to Ontario plumbers for the complete list, and check our methodology page for exactly how we build these scores.
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All bathroom & kitchen plumbing remodel, ranked by score and relevance
We found 144 businesses offering bathroom & kitchen plumbing remodel; 142 met the criteria for the scored directory. The order weighs each business's overall score by how much of its reviewed work is bathroom & kitchen plumbing remodel, so a lower-scored specialist can rank above a higher-scored generalist. Filter and sort below, or open the full map view.
Enquiries submitted through this site's contact forms may be passed to partner providers who can carry out the work, and the site may receive a referral fee. Rankings and scores are determined only by the site's published method and are not affected by referral fees.
Common questions about bathroom & kitchen plumbing remodel
- How much does a bathroom or kitchen plumbing remodel cost in Ontario?
- Simple fixture swaps (new sink, toilet, or faucet) typically run a few hundred dollars in labor. Moving a drain or supply line to a new location, which requires opening walls or floors, usually pushes costs into the low thousands once you add permit fees and patching. Full rough-in relocations for a gut renovation can run higher, so get itemized quotes rather than a single lump sum.
- How often does bathroom or kitchen plumbing need to be replaced?
- Supply lines and drains in older Ontario homes (galvanized steel or older copper) often get upgraded during a remodel even if they're not failing yet, since it's much cheaper to redo them while walls are already open. If pipes are in good shape and you're not changing the layout, a remodel may only need new fixtures and connections rather than a full rough-in redo.
- What should I expect during the rough-in stage of a remodel?
- The plumber runs new supply and drain lines to match the updated layout, caps or removes old lines, and schedules a rough-in inspection before insulation and drywall go up. Expect some dust and cut-open walls or floors during this phase, and confirm with your contractor who handles the patch and paint afterward.
- How do I judge the quality of a remodel plumber before hiring?
- Ask for photos or references from similar remodel jobs (not just repairs), confirm they pull permits themselves rather than asking you to, and check that quotes separate rough-in labor, fixtures, and any drywall or tile patching. A plumber who asks detailed questions about your layout and venting before quoting is usually more reliable than one who gives a price over the phone.
Guides to choosing bathroom & kitchen plumbing remodel
- Bathroom and kitchen remodel plumbing: what to expect and how to plan it
How plumbing fits into a bathroom or kitchen remodel, from planning through inspection, and the sequencing mistakes that cause the most delays.