Toilet Repair & Installation in Phoenix & Scottsdale, priced before we start.
The toilet hasn’t changed its basic idea in more than a century, and that is its best feature. A tank holds a few gallons. A rubber flapper holds the water in. Lift the flapper and the water drops into the bowl fast enough to start a siphon through the trapway, which pulls the bowl empty. A fill valve refills the tank and shuts off at a set level, and an overflow tube stands by in case it doesn’t. There is nothing in there you can’t see with the lid off.
Hard water gets into all of it. Scale builds on the flush valve seat until the flapper can’t seal against it. It crusts the fill valve so it shuts off late or not at all. It narrows the small rim holes and the siphon jet at the bottom of the bowl, so the flush weakens a little every year and nobody can say exactly when it started. Flapper rubber stiffens and warps. The toilet keeps working. It just works worse, and more expensively.
The failure that costs real money is the one out of sight: the seal at the floor. A toilet sits on a wax ring pressed onto a flange that connects to the drain, and on a slab that flange is set in the concrete. When the toilet rocks, even slightly, the wax deforms and stops sealing, and every flush pushes a little water under the base. It goes into the grout, under the tile, and sometimes into the wall behind. By the time the floor stains, it has been happening for a while.
Three checks cover most of it. Put a few drops of food coloring in the tank and wait 20 minutes without flushing; color in the bowl means a leaking flapper. Grip the bowl and try to rock it; any movement means the seal is suspect. Then look at the water level in the tank. If it’s trickling into the overflow tube, the fill valve isn’t shutting off. A silently running toilet can add more to a bill than people expect, and the hidden leak cost calculator shows how much.
Nearly everything inside the tank can be replaced for less than a new toilet, and that’s what we recommend first. Replacement makes sense when the porcelain is cracked, when the toilet predates 1994 and uses 3.5 gallons or more a flush, when parts for an odd design are gone, or when you’ve cleared the same clog four times this year. A modern 1.28-gallon toilet with a well-designed trapway uses far less water, and the good ones clear the bowl as well as the old ones ever did.
Six ways a toilet asks for help
Phantom flushes
The tank refills for a few seconds when nobody has touched it. Water is leaking past the flapper into the bowl and the fill valve is making up the difference. It’s the single most common toilet repair.
The handle has to be jiggled
The chain is tangled, too long, or caught under the flapper, or the handle arm has corroded. Often you can fix it yourself: adjust the chain so it has about a half inch of slack.
It rocks when you sit down
Movement breaks the wax seal even before anything leaks. If the seal is still intact, snugging the floor bolts may help. If the toilet has been moving for a while, it has to come up and go back down on a new ring.
Water at the base after a flush
Either the floor seal has failed or the tank-to-bowl gasket is leaking and running down the outside. Dry everything, flush, and watch with a flashlight. Where the water appears first is where it’s coming from.
Weak flush, or two to clear the bowl
Scale in the rim holes and siphon jet, or a partial clog in the trapway. If more than one toilet is sluggish, the trouble is farther down the line and drain cleaning is the right call.
A gurgle when the tub or washer drains
Air forced back through the toilet trap points to a blockage in the main line, not the toilet. A camera inspection shows whether it’s roots, a sag, or a collapsed section.
Fix it or replace it: how we decide
- 01
Lid off, water off
Most of the diagnosis happens right there. We check the flapper seal, the fill valve’s shutoff height, the flush valve seat, and the tank bolts, then rock-test the bowl.
- 02
A photo of every failed part
The warped flapper, the scaled seat, the rusted bolt. You see it, you get a flat price, and the price doesn’t move after you’ve agreed to it.
- 03
Standard parts, correctly sized
Flappers, fill valves, flush valves, and wax rings are carried on the truck. The size has to match the toilet: a 2-inch flapper on a 3-inch flush valve will never seal, no matter how new it is.
- 04
When the toilet comes up
We check the flange for cracks and for height (new tile often leaves it sitting too low), fit a fresh wax ring or an extended seal where needed, and set the bowl level on new bolts. A cracked flange is repaired before anything goes back on top of it.
- 05
Replacement, if it earns it
The old toilet comes out, the new one goes down on a fresh seal and supply line, and we run several flushes before we leave.
What you’ll pay
A flat price, given before any parts go in
Toilet repairs sit among the smaller plumbing jobs, and the price reflects the part and the time. What moves it: whether the fix is inside the tank or requires pulling the toilet, the condition of the flange underneath, whether the shutoff valve behind it needs replacing as well, and, for a new toilet, the model you choose. After-hours calls cost more than daytime ones, and you hear that before you decide.
Financing is available on larger jobsLift the lid and a toilet shows you exactly what’s wrong, which is more than the rest of the house will do. For everything else, here are the warning signs worth a call.
Toilets: questions we get asked
Straight answers, the same ones we give on the phone.
