Plumbing Repairs in Hamilton

Licensed and insured plumbers fixing leaks, clogs, running toilets, and no-hot-water issues across Hamilton, Ancaster, Dundas, Stoney Creek, Binbrook, Grimsby, Caledonia, and Burlington. Same-day repairs with a written installed scope—no surprises.

Plumber repair toilet flapper and chain inside the tank.
  • Same-day service
  • Licensed & insured
  • 200+ local reviews
Our services

What We Repair Today

Child and his father washing lemons

Why Hamilton Homeowners Choose Greg’s

  • Same-day service across Hamilton & area
  • Licensed & insured in Ontario
  • Thorough diagnostics with clear options
  • Hundreds of local 5-star reviews
Company Van - Greg's Plumbing & Heating - Commercial Plumbing, Residential Plumbing, Plumbing Repairs

Quick Checks Before You Call

Slow drain

Run water at a second fixture

Turn on a nearby sink or tub. If only one drain is slow, it is likely a single-fixture clog. If multiple drains gurgle or a floor drain rises, the main line is restricted.

clogged sink

Try a hand auger or a plunger

Use a cup plunger for sinks or a flange plunger for toilets, or a 3–6 ft hand auger. Do not pour chemical cleaners. They can damage finishes and make safe service harder.

runnin Toilet

Check the toilet flapper and fill valve

If the toilet runs or has a weak flush, make sure the flapper seals and the fill valve is not stuck. Adjust the chain and water level if needed.

No hot water

Verify water heater power or pilot

Confirm the breaker or switch is on for electric. For gas, check the pilot or ignition status. Make sure the temperature and pressure relief valve is not discharging.

fixture leak

ISOLATE THE FIXTURE SUPPLY

Turn the small valve under the sink or behind the toilet fully clockwise to shut water to that one fixture only. If the valve is seized or starts dripping, don’t force it.

main shut-off

Know your main shut-off

Locate the home’s main water valve beside the meter. If a leak worsens, close it to stop the flow. Follow our “How to shut off the main water valve” guide

What to Expect

FAQ – HAMILTON PLUMBERS

A repair brings an existing fixture, pipe, or line back to proper working order—leaks, clogs, running toilets, no hot water, noisy pipes, or backups. Installation is adding or replacing equipment like a new toilet, faucet, or water heater. We handle both for Hamilton homes.

Yes. We provide same-day service across Hamilton, Ancaster, Dundas, Stoney Creek, Binbrook, Grimsby, Burlington, Caledonia, and nearby areas. Call 905-928-6831 or book online and we’ll confirm an arrival window by text.

We diagnose first, then provide a written installed scope with a clear price before work starts—no hourly surprises. Where useful we include options, such as repair vs. replace, so you can choose what fits your home and budget.

We recommend a camera when clogs repeat, multiple fixtures gurgle, or we suspect roots, cracks, or a belly in the line. The camera confirms the fix and helps prevent the same issue from returning.

Check the flapper seal and the fill valve height, and make sure the chain is not too tight. If the toilet still runs or the flush stays weak, we can replace the worn parts the same day.

Usually, yes. If more than one fixture backs up or a floor drain rises, the main sewer is often restricted. Avoid chemical cleaners and running more water; we’ll clear the line and verify with a camera if needed.

We use targeted diagnostics: fixture-by-fixture isolation, dye tests, acoustic listening, and meter checks. Once located, we present repair options that protect finishes and stop waste fast.

Yes. Our licensed and insured plumbers complete repairs to Ontario code, handle permits when required, and warranty our workmanship. You’ll have everything in writing on your invoice.