Homeowner tips
What Should I Ask Before a Big Plumbing Job in My Toronto Home?
Before a repipe, water heater swap, or renovation-scale plumbing job, ask what gets opened up, how long it takes, how surprises are billed, and whether you'll have water and heat during the work.
# What Should I Ask Before a Big Plumbing Job in My Toronto Home?
Before any big plumbing job — a water heater swap, a full repipe, a basement waterproofing tie-in, or a renovation that touches the drain and supply lines — ask what exactly will be opened up, how long the work will take, what the price covers if something unexpected turns up behind a wall, and what happens to your water and heat while the work is underway. Those four questions tell you more about how a job will actually go than the price on the quote.
A "big job" is different from a same-day repair. It usually means multiple visits, permits in some cases, and real disruption to your home — no water for a stretch, drywall opened, maybe a day without heat in winter. Older Toronto housing stock (century homes in Riverdale and the Junction, 1960s bungalows in Scarborough and Etobicoke) often hides surprises once a wall or floor comes up, so the questions below are less about catching a bad plumber and more about making sure you and the plumber are picturing the same job.
What exactly is being opened up, and what gets put back?
A big job almost always means cutting into drywall, flooring, or a ceiling to reach pipes that were never meant to be seen again. Ask specifically which surfaces will be opened, whether the plumber patches them back to drywall-ready or finished, and whether patching, painting, or tile work is included in the quote or is on you to arrange separately. This is the single biggest source of "I thought that was included" disputes on renovation-adjacent plumbing work.
How long will the job realistically take, and in how many visits?
Some jobs — like a tank water heater swap — are same-day. Others, like repiping an older semi-detached home's galvanized supply lines, can run several days spread across a couple of weeks once rough-in, inspection, and finishing are factored in. Ask for a realistic range, not just a best-case number, and ask whether the crew works straight through or in stages with gaps while other trades (drywall, electrical) catch up.
What happens if something unexpected turns up once the walls are open?
This is the question that protects your budget the most. Older homes sometimes hide a second layer of galvanized pipe, unpermitted past work, or rot that wasn't visible before demolition started. Ask how the plumber handles a surprise: do they stop and quote the extra work before proceeding, or is there an agreed hourly rate for anything beyond the original scope? A contractor who can answer this clearly, in plain terms, before the job starts is one who has done this kind of work before.
Will I have water, heat, or hot water during the work?
For anything touching the main line or water heater, ask directly whether water will be shut off for the whole job or only during specific windows, and whether there's hot water available at night if the job spans more than one day. If you have young kids, pets, or work from home, this changes how you plan the week, not just whether the job is a hassle.
Do I need a permit, and who's pulling it?
Permit requirements depend on the scope of the work and the municipality, and they can change, so this is worth confirming directly with the contractor and, where relevant, the city rather than assuming either way. For general background on what kinds of work typically need a permit in Toronto, the city's own building permit pages are the most current source. What you want from the plumber is a straight answer about whether this particular job needs one and who is responsible for pulling it.
Frequently asked questions
Should I get more than one quote for a big plumbing job? For anything beyond a simple repair, yes — comparing two or three quotes helps you see whether the scope, timeline, and price are in the same ballpark, and it often surfaces questions you hadn't thought to ask.
Does GetFixHero handle large jobs like repiping or basement plumbing tie-ins? Yes — homeowners can request a plumber for large jobs the same way as smaller repairs, and the plumber will walk through scope and timeline with you before starting.
Is a verbal quote enough for a big job, or should I get it in writing? Get it in writing. A written quote that lists what's included, what happens with surprises, and a rough timeline is worth far more than a verbal estimate once the walls are open.
Big plumbing jobs go smoother when the questions get asked up front, not halfway through demolition. — request a plumber or message us on Facebook. Free for homeowners, care of GetFixHero.
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