What the job looks like, from a clean swap to a floor repair
Match your bathroom to a row. The further down the table, the less the job resembles a simple swap.
| Your situation | What the job involves | Effect on price |
|---|---|---|
| Same-size toilet, sound flange, dry floor | Remove, new wax ring, set, connect supply | Lowest: mostly the fixture |
| Old shutoff valve or braided line is stiff or leaking | Replace valve and supply line | Small add |
| Flange is cracked, rusted, or below the floor | Repair ring or flange replacement | Moderate add |
| Soft or stained floor around the base | Subfloor repair before setting | Larger add, scope varies |
| Moving to a taller bowl or a different rough-in | Check bolt spacing and wall distance | May require a different fixture |
| Second floor or tight bathroom | More labor to carry and set | Labor goes up |
A plumber should confirm rough-in distance before you buy the bowl.
The fixture itself is the biggest line
A one-piece bowl, a two-piece comfort-height bowl, and a wall-hung model sit in very different price tiers. The bowl style also decides how heavy it is and how hard it is to set. Measure the rough-in, the distance from the finished wall to the center of the drain, before you shop.
The tank and its fill valve matter for water use and noise. Look at the flush rating printed on the label, and check whether the model has a name the manufacturer's parts catalog still supports. A cheap model with unavailable parts is a repair headache later.
The parts under the bowl: flange, wax ring, bolts
The flange is the ring that joins the toilet to the drain. If it is cracked, loose, or sunk below the finished floor, a normal wax ring cannot seal, and the toilet leaks sewer water at the base. Adding thick flooring after the flange was set is a common cause.
Wax rings, closet bolts, and a fresh supply line cost little, but skipping them is how leaks start. A rocking toilet is a sign to stop and look, because forcing the bolts down can crack the porcelain.
Setting a toilet yourself: the honest sequence
- 1
Shut off, flush, and sponge dry.
Close the supply valve, flush, and remove the remaining water from the tank and bowl with a sponge.
- 2
Disconnect and lift.
Remove the supply line, pop the bolt caps, take out the nuts, and lift straight up. Stuff a rag in the drain to block gas.
- 3
Inspect the flange and the floor.
Scrape the old wax, check the flange for cracks, and press on the floor for soft spots.
- 4
Set the new bowl on a fresh seal.
Place the wax ring, lower the bowl straight down, and tighten nuts alternately and evenly until it is snug. Do not overtighten.
- 5
Connect, fill, and test.
Reconnect the supply, open the valve slowly, check for leaks, and flush several times. Run a bead of caulk around the base if you like.
When to stop and call a licensed plumber
You can handle the swap in most cases. These signs are your cue to put the wrench down.
- The flange is broken or below the floor.
A repair ring or a new flange is a plumber job in most homes.
- The floor is soft or stained.
Rot or a leaking drain can hide beneath. A new toilet will sit on a problem.
- Sewer gas smell or gurgling.
These can point to a venting or drain problem that a new bowl will not fix.
- The supply valve will not close.
A valve that does not shut leaves you unable to work safely. Close the main water valve and call.
- You are moving the toilet.
Changing the drain location means opening the floor and following code.
Wildwood permits and housing age: what to know locally
City code 500.080 says no plumbing work happens within Wildwood without a permit. An older county flyer hosted on the city's website says a plumbing permit is required to replace or reset sinks and water closets. The flyer dates from 2009 to 2013 and was written for the county and its contracting municipalities, so confirm the current rule with the Wildwood building department before you start.
The 2020-2024 American Community Survey from the US Census Bureau counts 13,391 housing units in Wildwood, and about 65.4 percent were built between 1980 and 1999. Some bathrooms in those homes may still carry their original toilets, supply stops, and flanges. Check the date stamp under the tank lid and replace the shutoff valve with the bowl.
St. Louis County licenses plumbers through its Board of Plumbing Examiners, so you can verify a plumber's license with that office. Ask who pulls the permit before you agree to a price.
Sources: Wildwood city code 500.080, St. Louis County permit flyer hosted by City of Wildwood, US Census ACS 2020-2024, St. Louis County Board of Plumbing Examiners
Installed price versus fixture price
When you compare a plumber's quote against a box-store price, line the numbers up. The fixture is one line, and labor, wax ring, supply line, valve, disposal of the old bowl, and any permit item are the rest. A quote that lists them separately is easier to compare.
A licensed plumber can also catch a leak your eyes will miss, such as a weeping drain below the bathroom. Our toilet repair team and our plumbing installation crew handle fixture swaps and the repairs they uncover. If you want a clear price before work starts, call our 24/7 line.
Nearby towns, same checklist
Homes in Ellisville and Eureka come with their own permit offices and their own house ages. The toilet steps are the same, but the paperwork is not, so ask the building office for your city before you buy the bowl.
Not sure what is under your toilet?
Describe the wobble, the smell, or the leak, and we will tell you if it is a DIY swap.
Questions we hear in Wildwood, MO
The price depends mainly on the toilet you choose, then on the flange, floor, valve, and labor. We do not print a flat number because bathrooms differ. Ask for a written quote that lists the fixture, parts, labor, and any permit item separately.
Yes, in most homes a careful homeowner can swap a toilet in an afternoon. Stop and call a plumber if the flange is broken, the floor is soft, or the supply valve will not close. Wildwood city code 500.080 says plumbing work needs a permit, so check with the building department first.
An older county flyer on the city's site says a plumbing permit is required to replace or reset water closets, but it is dated, so confirm with the Wildwood building department. Ask your plumber how they handle the permit.
An uneven floor, a flange set too low, or overtightened bolts are the usual causes. Use plastic shims for a slight gap and avoid cranking the nuts. A deep gap suggests a flange problem.
Missouri plumbers are licensed locally. St. Louis County licenses through its Board of Plumbing Examiners, in the Department of Transportation and Public Works. Ask for the license holder's name and confirm it with that office.
A poor wax seal, a cracked flange, or a toilet moved after it was set can all leak at the base. Do not keep flushing, because sewer water can damage the subfloor. Shut the supply and call.
Check with your trash hauler about bulk pickup rules. The City of Wildwood lists Republic Services for urban areas and Gateway Disposal for rural and private roads. A plumber can also haul it away if you ask for it on the quote.
Have a question this page did not answer? Call (855) 575-2890 at any hour and a dispatcher will talk it through.