What causes a toilet to keep running in Newmarket homes?

Most running toilets come down to one of three things: a flapper seal that's warped or no longer seating properly, a fill valve that's cycling because the water level isn't being maintained, or a flush valve seat that's corroded and won't hold a seal regardless of what the flapper does. York Region's moderately hard water accelerates the buildup of calcium deposits on tank components, which can affect how the flapper and fill valve operate over time. Our plumbers test each component individually, replace only what has failed, and confirm that the tank is filling and seating correctly before leaving.

Why is my toilet leaking at the base?

Water pooling at the base of a toilet almost always means the wax ring has failed. The wax ring seals the joint between the toilet horn and the floor flange, and when that seal breaks, every flush pushes a small amount of water under the base. Left too long, the subfloor softens, and the flange itself can corrode. In Newmarket homes with tile floors or older bathroom additions, a discoloured grout line or soft spot near the base is usually the first visible sign. We pull the toilet, check the flange condition, and set a new wax ring sized for the correct floor thickness. If the flange has corroded through or cracked, we repair it before resetting the toilet.

My toilet is clogged. Could it be a sign of a bigger plumbing problem?

A one-time clog usually isn't. But a toilet that clogs every few weeks despite normal household use is worth looking at more carefully. Recurring clogs often point to a partial obstruction in the branch drain below the toilet, a venting issue that slows drain velocity and allows solids to catch, or roots entering a clay sewer lateral. In older Newmarket homes, all three are plausible depending on the infrastructure. A sewer camera inspection is the most accurate way to see exactly what's happening in the line without guesswork. We run the camera, mark the location of any obstruction, and give you a straight answer on whether it's an isolated clog or something that needs further repair down the line.

Does toilet repair in Newmarket require a building permit?

Replacing a toilet in the same location doesn't require a permit in the City of Newmarket or anywhere in York Region. Swapping out a fill valve, wax ring, flapper seal, or supply line is maintenance work, and permits aren't required for that either. A permit is needed when a new toilet is being added in a location that doesn't currently have rough-in plumbing, or when drain or vent work is being modified to accommodate a new fixture. Our plumbers will tell you upfront if a permit applies to your specific project before any work begins.

What other plumbing services do you offer in Newmarket and York Region?

Beyond toilet repair and toilet installation , our team handles the full range of residential plumbing needs. We perform drain cleaning and clogged-drain repairs , diagnose and fix leaking pipes, repair and replace water heaters, and service sewer lines from camera inspection through full replacement. For homes with older poly-B supply lines, we do poly-B pipe replacement using copper or PEX. We also handle frozen pipe repair in the winter months, backwater valve installation , sewage ejector pump installation , and septic system repairs for properties in East Gwillimbury , Uxbridge , and the rural areas of York Region.

How do I get a quote for toilet repair in Newmarket?

Our plumbers come to your home, assess the problem in person, and provide a written price quote before any work starts. That's how flat-rate pricing works: you know the cost upfront, with no surprises once the job is done. There's no call-out fee for the visit. You only pay if you accept the quote and we do the work. Request an estimate online or call our 24/7 line. A live person answers every call, including evenings, weekends, and holidays.

Toilet Repair in Newmarket: Fast, Reliable Service Since 1995

York Region's Local Plumbing Team for Toilet Repair, Replacement & More

A toilet that runs, wobbles at the base, or refuses to flush properly isn’t just annoying. Over time, a faulty fill valve with a worn flapper seal can waste hundreds of litres of water per day, adding real money to your water bill. Our Newmarket plumber at Mr. Rooter Plumbing has been diagnosing and repairing toilets across the York Region since 1995. We've seen every failure mode these fixtures can throw at homeowners. We arrive with the parts, give you the price before any work begins, and back everything with the Done Right Promise^®.

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Common Issues We Fix: Toilet Repair in Newmarket

That constant running sound means water is escaping the tank before the next flush. Nine times out of ten, the flapper seal has cracked or warped and no longer forms a watertight seal against the flush valve seat. When it leaks slowly, the fill valve kicks in periodically to top up the tank, which is the sound you hear in a quiet house at 2 AM. If the fill valve itself has failed, it may run continuously or cycle erratically. Both parts are inexpensive, but the right diagnosis matters. A fill valve swap won't fix a cracked flush valve seat, and replacing just the flapper won't solve a supply line pressure problem. Our plumbers check the full tank mechanism, confirm the root cause, and replace only what needs replacing.
A toilet that rocks when you sit on it has usually lost its wax ring seal. That ring sits between the toilet base and the floor flange, compresses when the toilet is set and bolted, and creates the watertight connection between your toilet and the drain pipe below. When the flange corrodes, the floor shifts, or the original wax seal was set improperly, the toilet starts to move. Movement breaks the seal further. Once sewage can bypass the wax ring, water damage and odours follow quickly. In Newmarket homes with older ceramic tile or hardwood near the bathroom, a soft or discoloured floor around the toilet base is usually the first sign. We pull the toilet, inspect the flange condition, replace the wax ring with the correct-height seal for your floor thickness, and reset the toilet level. If the flange itself is cracked or has corroded through, we repair or replace it before the toilet goes back down.
A toilet that clogs repeatedly usually isn't a flushing problem. Most of the time, it points to a partial blockage farther down the drain line, a venting issue that affects drain velocity, or a toilet bowl where the rim jets have scaled over, reducing flush pressure. York Region's water hardness falls in the moderately hard range, and mineral deposits can close off the small holes around the bowl rim over two to five years. We clear the visible blockage, run a quick inspection of the drain line, and confirm whether the issue is isolated to the toilet or part of a wider sewer backup pattern in the home.

Toilet Replacement and Full Plumbing Services in Newmarket

Sometimes repair is the right call. Sometimes it isn't. A toilet with a cracked tank or base, a bowl with worn enamel that repeatedly catches waste, or a unit that's been repaired three times in two years is usually better off being replaced. We carry a range of replacement options, including water-saving toilet models certified to the current low-consumption standards, and we'll recommend the right fit for your rough-in dimension and floor flange height before we order anything.

Toilet repair is one of the most common calls we run in Newmarket, Aurora, East Gwillimbury, and Uxbridge, but it's rarely the only plumbing concern in the home. Our licensed and insured plumbers handle the full range of residential plumbing services across York Region:

Drain cleaning and drain snaking for kitchen, bathroom, and laundry drains
Clogged drain repair and drain repair and replacement
Water heater repair and replacement
Water line repair and installation
Sewer line repair and replacement
Sewer camera inspection for recurring clogs and sewer backup diagnosis
Sewer system backup repair
Frozen pipe repair: a real concern in York Region winters
Backwater valve installation
Sewage ejector pump installation
Poly-B replacement for homes built in the 1980s and early 1990s
Septic system repair and replacement for properties in the rural parts of York Region
Toilet base leak repair and toilet installation

Every job starts with an on-site assessment and a written price quote before any tools are brought out. No overtime charges, ever. A 2 AM emergency call in February costs the same as a Tuesday afternoon appointment.

Why Newmarket Homeowners Choose Mr. Rooter Plumbing

This franchise has been family-owned and locally operated in York Region since 1995. That's nearly three decades of working in Newmarket homes, Aurora properties, and Uxbridge rural builds, and our team knows the plumbing patterns that come with each era of housing stock. Older Newmarket homes built before 1980 often have cast-iron drain stacks and clay sewer laterals. Homes from the 1980s and early 1990s frequently have polybutylene supply lines. Newer builds in East Gwillimbury tend to have modern PVC and PEX systems, but also entail sump pump and backwater valve considerations.

We offer upfront, flat-rate pricing. You see the written price before work begins, with no hidden charges and no overtime markup. For larger projects over $1,000, payment plans and financing options are available, subject to credit approval. All work is backed by the Neighbourly Done Right Promise^®: if the service isn't done right, we make it right.

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Why Newmarket Homeowners Choose Mr. Rooter Plumbing

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Frequently Asked Questions About Toilet Repair in Newmarket

Most running toilets come down to one of three things: a flapper seal that's warped or no longer seating properly, a fill valve that's cycling because the water level isn't being maintained, or a flush valve seat that's corroded and won't hold a seal regardless of what the flapper does. York Region's moderately hard water accelerates the buildup of calcium deposits on tank components, which can affect how the flapper and fill valve operate over time. Our plumbers test each component individually, replace only what has failed, and confirm that the tank is filling and seating correctly before leaving.
Water pooling at the base of a toilet almost always means the wax ring has failed. The wax ring seals the joint between the toilet horn and the floor flange, and when that seal breaks, every flush pushes a small amount of water under the base. Left too long, the subfloor softens, and the flange itself can corrode. In Newmarket homes with tile floors or older bathroom additions, a discoloured grout line or soft spot near the base is usually the first visible sign. We pull the toilet, check the flange condition, and set a new wax ring sized for the correct floor thickness. If the flange has corroded through or cracked, we repair it before resetting the toilet.
A one-time clog usually isn't. But a toilet that clogs every few weeks despite normal household use is worth looking at more carefully. Recurring clogs often point to a partial obstruction in the branch drain below the toilet, a venting issue that slows drain velocity and allows solids to catch, or roots entering a clay sewer lateral. In older Newmarket homes, all three are plausible depending on the infrastructure. A sewer camera inspection is the most accurate way to see exactly what's happening in the line without guesswork. We run the camera, mark the location of any obstruction, and give you a straight answer on whether it's an isolated clog or something that needs further repair down the line.
Replacing a toilet in the same location doesn't require a permit in the City of Newmarket or anywhere in York Region. Swapping out a fill valve, wax ring, flapper seal, or supply line is maintenance work, and permits aren't required for that either. A permit is needed when a new toilet is being added in a location that doesn't currently have rough-in plumbing, or when drain or vent work is being modified to accommodate a new fixture. Our plumbers will tell you upfront if a permit applies to your specific project before any work begins.
Beyond toilet repair and toilet installation, our team handles the full range of residential plumbing needs. We perform drain cleaning and clogged-drain repairs, diagnose and fix leaking pipes, repair and replace water heaters, and service sewer lines from camera inspection through full replacement. For homes with older poly-B supply lines, we do poly-B pipe replacement using copper or PEX. We also handle frozen pipe repair in the winter months, backwater valve installation, sewage ejector pump installation, and septic system repairs for properties in East Gwillimbury, Uxbridge, and the rural areas of York Region.
Our plumbers come to your home, assess the problem in person, and provide a written price quote before any work starts. That's how flat-rate pricing works: you know the cost upfront, with no surprises once the job is done. There's no call-out fee for the visit. You only pay if you accept the quote and we do the work.

Request an estimate online or call our 24/7 line. A live person answers every call, including evenings, weekends, and holidays.

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Residential
Commercial