The bathrooms that cause the most trouble here are usually the original ones. Salt Lake City holds the oldest and most varied housing in the county, from bungalows to cottages to houses several owners have already reworked, and in many of them one full bathroom has been doing all the work for decades. What sits behind the plaster is genuinely unknown until someone opens it. We connect you with bathroom remodeling contractors who spend their days in older Salt Lake County houses. Call 801-644-9000 and we will point you toward the right ones.
Demolition in an older bathroom is the point where a project stops being theoretical. Lath and plaster come off, the tub gets pulled, and the wall cavities show what has actually been going on in there. Sometimes that is uneventful. Often it is not: a slow drip behind the tub valve that softened the framing, a subfloor patched by a previous owner, mortar-bed tile sitting on wire mesh over boards that have shifted. None of it is unusual for a house of this age, and none of it means the project is in trouble. It means the scope gets finished the day the walls come off rather than the day the contract is signed.
That is worth planning for rather than dreading. A contractor used to older Salt Lake City homes will walk the space beforehand, look at the ceiling below if there is one, check how the floor feels near the toilet, and tell you which conditions they consider likely. They should also explain how a change gets handled once it is found: who calls you, what gets put in writing, and how the decision is documented before anyone keeps working. Homeowners who get blindsided are usually the ones who never asked that second question. Ask it during the estimate, while there is still time to compare answers.
Behind the finishes, older bathrooms run on whatever was standard when the house was built and whatever has been spliced in since. Galvanized supply lines narrowed from the inside. A cast iron drain stack. A vent that was never quite right. Wiring with no ground and no room for a modern circuit. Once the walls are open, replacing those runs is far easier than it will ever be again, which is why contractors raise it at that moment rather than later. It is not a sales tactic. It is the practical reality that the same work takes considerably more effort once new tile is on the wall.
You still get to decide how far to go. Replacing supply and drain lines within the bathroom itself is a different scale of decision than repiping a house, and a good contractor will draw that line clearly instead of blurring it. Ask what is failing now, what is likely to fail while you still own the house, and what is simply old but working. Ask what has to be opened up elsewhere, such as a closet wall or a ceiling below, for each option. With those answers in hand the choice stops being a leap of faith and turns into a straightforward comparison.
Old bathrooms tend to be small, and the walls around them are rarely available for expansion. That pushes the conversation toward what can change inside the existing footprint: a wider shower where a short tub sat, a vanity that stops eating the door swing, a window that stays because it is the only real light in the room. Moving a toilet or a drain is possible, but it depends on which way the floor joists run and whether the new drain can pick up enough fall to reach the existing stack. That is a framing question first and a design question second.
Older houses also settle, and bathrooms show it. Floors slope, door casings sit out of square, and walls are rarely plumb enough for large-format tile to look right without correction. Experienced crews plan for that with floor leveling, shimmed walls, and layout decisions that put whatever variation remains where the eye does not follow it. When you compare contractors, listen for who mentions this without being prompted. In a house of this vintage, the person who notices the floor is out of level before quoting is the person less likely to be surprised by it halfway through.
Only partly. A contractor can read the age of the house, look for staining on the ceiling below, check the floor for movement near the toilet, and sometimes get a view through an access panel or from the basement. That narrows the range without eliminating it. In a house with original plaster, the honest answer is that some conditions are confirmed on demolition day. What you can settle in advance is how a change will be handled and documented.
No, though it often ends up there. If the tile is set in a mortar bed and the tub is being replaced, the wall usually comes down with it. If the layout is staying, the plumbing is sound, and the finishes are the only problem, a more contained project can make sense. The deciding factors are the condition of what sits behind the surfaces and whether fixtures are moving, not the age of the house by itself.
Sometimes, and it is worth raising early. Cast iron tubs are often refinished rather than replaced, and some original floor tile survives a remodel intact when the work around it is planned carefully. Wall tile set in mortar is harder to keep once anything behind it is disturbed. Tell the contractor at the estimate which pieces matter to you, because protecting them changes the demolition sequence and has to be built into the plan from the start.
Which bathroom it is, and whether anything needs to move. That is enough to begin.