How much does it cost to replace a bathtub faucet in Markham?

Hi there — Chris here, your general contractor. From the photo you sent, this is a classic wall-mounted two-handle tub faucet with a leaking diverter.

To make sure we handle it right, here's the single scope item I see:

1. Bathtub Faucet Repair or Replacement (Plumbing trade)

Because it's just this one plumbing item, we need to settle a few things — repair vs. replace, how your place is laid out, and what's behind the wall so a plumber knows how they'll get at it.

A few questions to sharpen the picture:

Question: What's your postal code, so we can confirm local context, permits, and pricing?

Question: Would you rather repair the existing faucet (swapping the diverter/cartridge parts) or replace the whole faucet assembly?

• Attempt repair on existing faucet
• Replace the entire faucet assembly

Question: Is there an access panel or closet on the far side of the wall behind the faucet, or is it a solid wall?

• Yes, there is an access panel or closet behind the wall
• No, it is a solid wall with no rear access
• I don't know

Question: What kind of property is this?

• Detached Single-Family House
• Condo or Apartment
• Townhouse

Question: Roughly what year was the home built?

• Before 1990
• 1990 or later

Question: If you're replacing the faucet, will you provide the new one yourself, or should the contractor supply a standard replacement?

• I will supply the new faucet
• Contractor should supply a standard replacement
• I'm not replacing the faucet (only repairing)

Photos that would help

To confirm the setup and price it accurately, please share:

• A close-up of the faucet from below and from the side — this helps spot brand markings or the exact wall connection style.
• A shot of the access panel or the wall directly behind the tub faucet (often in a nearby closet, hallway, or bedroom), if there is one.
• A wide shot of the whole bathtub/shower enclosure.

Your project estimate

Project summary

The client wants a full swap of a leaking wall-mounted two-handle tub faucet with an integrated diverter spout in a condo. With no rear access through the solid wall, everything is done from the front (tub side), assuming the existing wall supply nipples and threads are still sound and reusable. A standard faucet is contractor-supplied, and a licensed plumber coordinates any needed water shutoff with the condo corporation/building management.

Estimate range

$920 - $1,450 This is a starting ballpark, not a final price.

Estimated work

Item	Details	Range
Tub Protection & Workspace Prep	Cover the bathtub and the surrounding tiled area with heavy-duty drop cloths and padding to guard against scratches or impact during demo and install.	$52 - $86
Water Shutoff & Building Coordination	Work with condo management to isolate the water riser and shut the suite's main supply, then drain the lines so the faucet can come off.	$95 - $165
Remove Existing Faucet Body	Carefully disconnect and remove the existing wall-mounted two-handle faucet body from the supply nipples behind the wall, keeping the copper threads intact.	$71 - $145
Thread Prep & Inspection	Clean and re-tape the existing threaded supply connections and confirm they're sound enough for the new install.	$52 - $86
Fit the New Faucet Assembly	Provide and install a new contractor-supplied standard wall-mount two-handle tub faucet with integrated diverter onto the prepped connections.	$340 - $560
Pressure Test & Commissioning	Restore water pressure, check every connection for small leaks, and confirm flow and proper diverter operation.	$52 - $86
Seal the Wall Flanges	Run a fresh bead of premium mildew-resistant silicone around the decorative wall flanges where they meet the existing tile.	$72 - $115
Cleanup & Disposal	Tidy the workspace, pack out tools, and dispose of the old faucet assembly and packaging.	$120 - $220

Cost summary

Category	Range
Materials	$300 - $450
Labour	$620 - $1,000
Total	$920 - $1,450

What is included

• Protect the tub surface and the surrounding work area.
• Shut the water off, either at the in-suite main valve or by arranging a building-wide shutdown with condo management.
• Carefully disconnect and pull the old wall-mount faucet body off the supply nipples coming through the tile, without damaging the threads.
• Prep the existing threaded supply connections, checking their integrity and cleaning the threads.
• Fit the new contractor-supplied standard wall-mount two-handle tub faucet with integrated diverter.
• Turn the water back on, pressure-test all connections for leaks, and confirm the diverter and flow work properly.
• Run a bead of clean, mildew-resistant silicone around the wall flanges where they meet the tile to keep water out.
• Clean up the workspace and dispose of the old faucet assembly.

Possible add-ons

These items are not included in the estimate range above. They may change after an on-site review.

Item	Trade	Possible range	What would confirm it
Remove tile, replace damaged in-wall plumbing threads/nipples, and re-tile the affected area if the existing supply pipes are compromised.	Plumber	$1,200 - $1,800	The threaded water supply connections behind the tile are corroded, stripped, or leaking once the old faucet comes off, forcing in-wall access.
Arrange a municipal street-side water shutoff if the condo's building zone valves can't fully isolate the supply.	Plumber	$325 - $525	The condo building's main isolation valve weeps by, so line pressure won't drop enough to safely take the faucet apart.

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You can keep chatting to ask questions or adjust the project — and when you're ready, a real professional will confirm the details and discuss final pricing with you, typically after seeing the space in person.

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