Toilet repair for the one that runs all night
Running, blocked, rocking or leaking at the base. Most toilet faults are an hour of a plumber and a part that costs very little.
- Typically $110–$350 per toilet
- 1–2 hours
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What toilet repair usually costs
$110–$350 per toilet
Cistern internals sit at the low end; pulling the pan for a new wax seal at the high end. New toilet installation is typically $150–$450 in labour.
A typical US range to plan around, not a quote — every professional on Task Masters sets and publishes their own price, and you see it before you book.
What a toilet repair job normally includes
- Diagnosing the fault — fill valve, flapper, flush valve or seal
- Replacing cistern internals and stopping a running toilet
- Re-seating the pan with a new wax ring where it leaks at the base
- Clearing a blocked pan and checking the line beyond it
- Testing several full flush cycles before leaving
About toilet repair
Most toilet problems come down to a handful of parts inside the cistern — a flapper, a fill valve, a flush valve — or to the wax seal underneath it. None of them is expensive; the value is in a plumber knowing which one has failed on sight, and in a leak at the base being dealt with before it damages the floor beneath.
A typical toilet repair runs $110 to $350 depending on which part has gone. Replacing the internals of a running cistern is at the low end. Pulling the pan to fit a new wax ring — the fix for a toilet that leaks at the base or rocks when you sit on it — is at the top of it, because the toilet has to come off and go back on properly. Installing a whole new toilet you have bought is usually $150 to $450 in labour. A toilet that has been running for months is worth fixing on cost alone: a leaking flapper can waste hundreds of gallons a day silently.
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Questions about toilet repair
My toilet runs intermittently for a few seconds. Is that a problem?
Yes — that is a "phantom flush", and it means water is leaking past the flapper from the cistern into the pan. It is one of the cheapest parts in the house to replace and one of the largest silent water wasters, so it is worth doing.
There is water on the floor around the base. What is that?
Usually a failed wax seal, sometimes a cracked pan or a loose supply connection. Do not leave it: water tracking under the flooring damages the subfloor, and by the time it shows elsewhere the repair is much larger than a seal.
The toilet rocks slightly. Does that matter?
It does. Movement breaks the wax seal underneath, which is what leads to the leak above. It is normally fixed by re-seating the pan and shimming it level, done at the same time as a new seal.
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