(905) 555-0198 Get a Quote
Licensed & insured  ·  Est. 1998

Water flowing, heat running — guaranteed.

Mainline Mechanical keeps homes and businesses across the GTA running. Fast repairs, honest quotes, and a licensed technician at your door — often the same day you call.

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4,300+ satisfied clients ★★★★★ Trusted across Mississauga, Oakville & Burlington
Mainline technician in work uniform servicing a wall-mounted control panel
Bright modern kitchen with newly plumbed sink and fixtures
Plumber kneeling to repair pipework beneath a sink cabinet
24/7Emergency call-out, every day of the year
What We Do

One crew for every pipe, drain, and boiler.

From a dripping tap to a full mechanical retrofit — licensed plumbers and gasfitters, one accountable team, upfront pricing before we lift a wrench.

Technician opening a wall to repair and replace supply pipework

Repairs & Repiping

Leaks, corroded lines, low pressure. We diagnose the real cause and replace only what needs replacing.

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Technician servicing a residential water heater

Water Heaters & Boilers

Tank, tankless, and hydronic. Supply, install, service, and annual safety checks — gas or electric.

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Renovated open-plan living and kitchen space after a full remodel

Bath & Kitchen Remodels

Rough-in to finish. We plumb your renovation to code and coordinate cleanly with your trades.

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Emergency
Exposed supply pipes and meter running along a brick wall

Burst? Flooding? Call now.

Live dispatch 24/7. A licensed tech rolls the moment you call — no answering-machine, no waiting until morning.

(905) 555-0198
New stainless faucet and sink installed, sealed and leak-tested

Fixtures & Fittings

Faucets, toilets, vanities, and shower valves — supplied and set clean, sealed, and leak-tested.

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Technician working a joint during a heating service call

Heating & Comfort

Radiant, forced-air support, and seasonal tune-ups. Keep the whole home warm and running efficiently.

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Mainline plumber working carefully under a sink in a customer's home
27YEARS IN THE TRADE
Why Mainline

The plumber your neighbours already trust.

Upfront, flat pricing

You approve the number before we start. No surprise line-items, no hourly meter running against you.

Licensed & insured

Every tech is ticketed, background-checked, and covered. The work is warrantied in writing.

Same-day response

Most calls answered and dispatched inside the same day — because a leak doesn't wait for a slot.

Clean, respectful crews

Drop cloths down, boots covered, mess gone. We treat your home like it's ours.

27 years in the trade — family-run since 1998, and still answering our own phone.

Recent Jobs

Work we'd put our name on.

A few of the projects our crews wrapped across the GTA this season.

Finished ensuite bathroom after a full repipe
Oakville

Full ensuite repipe

Swapped failing galvanized for PEX and pressure-balanced the shower — done in a single day.

Compact wall-mounted water heater installed above a sink
Mississauga

Tankless conversion

Retired a leaking 50-gallon tank for a wall-mounted tankless unit — endless hot water, half the footprint.

Modern kitchen interior after new supply and drain lines were run
Burlington

Kitchen rough-in

Relocated supply and drain for an island sink during a full reno — on schedule, inspection passed first pass.

Get Started

Straight answer, fair price — today.

Tell us what's going on and we'll get a licensed technician booked. Emergencies jump the queue — just call the line below.

Call or text, 24/7(905) 555-0198

Request your quote

We'll reply within the hour during business days.

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