Bathroom remodeling in Utah meets very hard water, and on the Wasatch it meets a basement or an exterior wall that freezes. Scale has usually etched the glass and stiffened the valve for years. A basement bath is a common Front project and a rare St. George one. Moving a drain in a basement slab is still concrete. Moving it on an upper floor is joists. A shower on an outside wall in a snow climate needs the lines protected or you will rebuild the freeze you started with. Southern desert baths fight heat and mineral more than ice.
Say the scope in one sentence. Tub for tub, tub for a tiled shower, a basement bath that floods when snow melts, or a vanity only. If the layout moves, say so first. Ask what waterproofing is behind the tile. Ask whether the valve is new and whether a softener already feeds the room. Without that, new glass spots immediately in this water. Ask who patches tile, board, and the access. Ask where the fan duct ends. Winter houses stay closed for months, and a fan that recirculates does not remove shower moisture from a tight room.
If the basement takes water in spring, do not finish a bath against that wall until the water path is named. That may be a plumbing and drain problem before it is a tile problem. Accessibility means blocking for a bar and a curb you can step through, decided while the wall is open. Radiators and old vent locations in brick houses should be mentioned so the layout does not cover them by accident.
Name the town and the floor. A St. George slab and a Salt Lake basement are different rooms even when the fixture list matches. Bring the floor level in the first sentence so a basement backup is not treated as a simple tub swap. Call the number on this page.