Clogged toilet
Most toilet clogs clear with a proper plunger and correct technique. Knowing which ones won't saves you an unnecessary call.
Free to call. We route you to an independent licensed plumber in your area — PlumbLinker does not perform plumbing work.
If it's overflowing right now
- Don't flush again. That's the instinct and it's exactly wrong.
- Take the lid off the tank and push the flapper down — the rubber seal at the bottom. This stops water entering the bowl immediately.
- Close the shutoff valve on the wall behind the toilet, turning clockwise.
- Wait a few minutes. The level often drops on its own as water seeps past the blockage, which makes plunging far less messy.
Plunging properly
Most people use the wrong plunger. A cup plunger — the flat red one — is for sinks. Toilets need a flange plunger, with the soft extension that folds out to seal the drain opening.
- Run the plunger under hot water for a minute to soften the rubber and improve the seal.
- Insert it at an angle so the cup fills with water rather than trapping air — you're moving water, not air.
- Seat the flange into the drain opening and press down slowly on the first stroke to avoid splashing.
- Then pump firmly fifteen to twenty times, keeping the seal intact throughout.
- Pull off sharply on the last stroke. Repeat two or three cycles before giving up.
A toilet (closet) auger is about $25 at any hardware store and clears most of what a plunger can't. Do not use a straight drain snake in a toilet — it will scratch or crack the porcelain, and now you have a $400 problem instead of a $15 one.
When it isn't the toilet
Some signs mean the toilet is fine and the problem is downstream:
- More than one toilet in the house is affected
- Flushing makes a nearby tub or shower gurgle or fill
- A basement floor drain backs up when you flush
- The clog returns within days of being cleared
- Water backs up rather than draining slowly
Any of these points to the branch or main line rather than the fixture. See sewer backup and stop using water in the house until it's checked.
What a plumber charges
| Job | Typical cost |
|---|---|
| Auger a clogged toilet | $150–$300 |
| Pull and reset the toilet to clear an obstruction | $250–$500 |
| Remove a lodged object (toy, toothbrush, phone) | $250–$600 |
| Replace a toilet | $400–$900 installed |
| Main line clearing | $300–$800 |
“Flushable” wipes, which do not break down; paper towels and tissues, which aren't designed to; feminine hygiene products; dental floss, which catches and builds a net; and small objects, especially in homes with toddlers. Older low-flow toilets from the 1990s also clog far more readily than modern ones and are worth replacing.
Frequently asked questions
How do I stop a toilet from overflowing?
Open the tank and push the flapper down to stop water entering the bowl, then close the shutoff valve on the wall behind the toilet. Don't flush again.
Is a clogged toilet an emergency?
Only if it's the sole toilet in the home, if it's overflowing and you can't stop it, or if other fixtures are affected too — which means a main line problem. A single clogged toilet in a two-bathroom house can wait for morning.
Will a plunger always work?
It clears most soft blockages — paper and waste. It won't clear a solid object, and it won't help at all if the actual blockage is in the main line. If two or three proper attempts with a flange plunger fail, move on to an auger or call.
Can I pour hot water down a clogged toilet?
Hot — not boiling — water with a little dish soap sometimes helps a soft clog by lubricating it. Boiling water can crack porcelain and soften the wax ring seal. Not worth the risk.
Plumbing emergency right now?
One call routes you to an available licensed plumber in your area. Free to call, 24 hours a day.
Call (888) 876-3092PlumbLinker is a referral service. We connect you with independent licensed plumbers — we do not perform plumbing work ourselves.