Emergency Plumber in Hamilton

Need urgent plumbing help in Hamilton? Greg’s Plumbing & Heating responds to burst pipes, active leaks, sewer backups, overflowing toilets and leaking water heaters. We first help stop the damage, then diagnose the cause and explain the repair options before work starts.

Not an emergency? View our regular plumbing services.

Greg’s Plumbing and Heating van parked near a residential building

Emergency Plumbing in Hamilton: What to Do Right Now

Do these quick safety steps first, then call. We’ll confirm a short arrival window and guide you on what to do until we arrive.

Step 1

SHUT OFF YOUR MAIN WATER VALVE

Turn off the main water valve near the meter. If you cannot find it, shut off the nearest fixture valve you can access. Move towels and valuables away from the affected area.

Step 2

Electrical safety near water

If water is near outlets, appliances, or the electrical panel, do not step into standing water. Switch off the breaker to that area only if it is safe. If unsure, wait and call.

Step 3

Document, then contain

Take 3 to 5 clear photos or a short video for insurance. Use buckets, towels, and a temporary wrap if possible. Do not use chemical drain cleaners or run more fixtures during a sewer backup.

Step 4

CALL AN EMERGENCY PLUMBER

Call 905-928-6831 or Book Online. Tell us what is happening, where the water is coming from, and whether any drains are backing up. We will confirm your next steps and an arrival window.

What Counts as a Plumbing Emergency in Hamilton?

If water is spreading, sewage is involved, or your plumbing system cannot be safely used, it is an emergency. Call now and we will help you triage the next move.

No water or very low pressure

Sudden loss of water can signal a supply issue, failed valve, or a serious leak.

Toilet overflow that will not stop

Shutoff valve not working, water keeps refilling, overflow risk, or signs of a main line problem.

Water heater leaking

Pooling under the tank, pressure relief discharge, or moisture around fittings that worsens quickly.

Burst pipe or active leak

Water is flowing and cannot be contained, ceiling stains growing, dripping through fixtures, or water is running behind a wall.

Sewer backup or floor drain backup

Sewage smell, gurgling, multiple drains backing up, water rising from a basement floor drain.

Frozen pipes in winter

No flow at one or more fixtures, frost on exposed piping, or bulging sections that may burst as they thaw.

Emergency Plumbing Service Areas

We provide emergency plumbing service across Hamilton and nearby communities, with same-day appointments when availability allows.

Hamilton, Ancaster, Stoney Creek, Dundas, Grimsby, Caledonia, and Binbrook.

WHEN TO CALL THE CITY OR GAS UTILITY INSTEAD

Some emergencies need the City, gas utility, or emergency services before a plumber. Here’s who to call based on where the problem starts.

Suspected gas leak

Smell gas or suspect a leak near a furnace, boiler, water heater, or gas line? Leave the area and contact your gas utility or emergency services first.

Plumbing problem

For burst pipes, active leaks, sewer backups, overflowing fixtures, or leaking water heaters inside your property, call Greg’s for plumbing help.

Possible municipal sewer or water-main issue

If multiple neighbouring properties are affected or the problem appears to be outside the property line, municipal assistance may be required.

What to Expect When You Call for Emergency Plumbing

Emergency Plumbing Resources for Hamilton Homeowners

Fixing clogged sink with plunger

Leak Triage and Water Pressure Checker

Answer a few questions and get the safest next step for active leaks and pressure issues.

2 pipes with shuoff valves and 2 signs saying main shuttoff valve

How to shut off your main water valve in Hamilton

Find the valve fast and stop water damage before it spreads.

basement sewer backup flooding the floor

Sewer Backup First Hour Checklist

What to do immediately, what not to do, and when to call for emergency clearing.

FAQ — Emergency Plumbing in Hamilton

Yes. Greg’s Plumbing & Heating provides 24/7 emergency plumbing help in Hamilton for urgent problems such as burst pipes, active leaks, sewer backups and overflowing fixtures. Call 905-928-6831 and we’ll confirm availability and your expected arrival window.

Response time depends on your location and the emergency calls already in progress. When you call, we’ll ask a few questions about the problem, provide immediate safety guidance and confirm the earliest available arrival window.

A plumbing problem is usually an emergency when water is actively causing damage, sewage is backing up, a fixture cannot be safely used, or you cannot stop the flow of water. Burst pipes, major leaks, sewer backups, overflowing toilets and leaking water heaters can all require urgent attention.

Shut off your main water valve as quickly as you safely can. Keep people away from standing water near electrical outlets or appliances, then call for emergency plumbing help. If safe, move valuables away from the affected area while you wait.

Yes. Sewage backing up through a floor drain, toilet, tub or basement drain should be treated as an emergency. Stop using water in the home, keep people and pets away from the affected area and call for help. If neighbouring properties are also affected, the City of Hamilton may need to investigate.

No. Avoid adding chemical drain cleaners when a drain is completely blocked or sewage is backing up. The chemicals may remain trapped in the line and create an additional hazard when the drain is inspected or cleared.

Close the toilet’s shutoff valve if you can reach it safely and do not flush again. If the toilet keeps filling, water is backing up elsewhere, or the shutoff valve does not work, call for plumbing help. Multiple backed-up fixtures can indicate a larger drain or sewer-line problem.

Call a plumber when the flooding appears to come from a burst or leaking pipe, sewer or floor-drain backup, overflowing fixture, water heater, or failed plumbing connection. If several nearby properties are affected or the problem appears to originate beyond your property line, contact the City of Hamilton as well.