Required line items
A complete bathroom remodel quote should explicitly address each of the following. Items that are genuinely excluded should be stated as exclusions — not left unmentioned.
Demolition & disposal
Removal of existing tile, fixtures, vanity, and flooring with haul-away
Waterproofing
Membrane or cement board installation in shower and wet areas
Tile work
Floor and wall tile with material specified (size, type, price per sq ft)
Plumbing rough-in & fixtures
Scope clearly defined — reconnecting vs. moving supply/drain lines
Vanity & sink
Brand and model specified with countertop material
Toilet
Model specified
Shower/tub
Prefab vs. custom tile, door or curtain
Lighting & electrical
Vanity lighting, exhaust fan, GFCI outlets
Painting
Moisture-resistant paint, coat count
Permits & inspections
Required for plumbing and electrical work
Common red flags in bathroom remodel quotes
These are the most frequently omitted or vague items. Any of them in your quote should prompt a follow-up before you sign.
No waterproofing line item
Waterproofing is non-negotiable in a shower or wet area. If it's not explicitly listed, ask — skipping it leads to mold, water damage, and expensive repairs.
Plumbing scope not itemized
'Plumbing included' means nothing without detail. Are fixtures just being re-connected, or is there rough-in work? Moving pipes can double the labor cost.
No permit line item
Bathroom remodels involving plumbing or electrical work require permits in most jurisdictions. Missing permits can cause issues at resale.
Fixture brands or specs not listed
A quote that lists 'toilet, vanity, faucet' without specifying model or quality tier can result in builder-grade fixtures when you expected mid-range.
Tile not specified
Tile costs range from $1/sq ft to $30+/sq ft. If the quote just says 'tile work' without material specs, you have no basis for comparison.
Three things to confirm before signing a bathroom remodel contract
These are the final checks before you commit — specific to what matters most in a bathroom remodel project.
Payments tied to waterproofing and rough-in sign-off
Never release more than 30–40% upfront. For a bathroom remodel, subsequent payments should follow waterproofing completion and plumbing/electrical rough-in inspection sign-off — not calendar weeks. These inspections are a natural proof point for completed work.
Plumbing and electrical permits issued before work starts
Any plumbing or electrical work requires permits in most jurisdictions. Confirm who pulls them, that fees are included in the quote, and that the contractor won't begin work until permits are issued — not just applied for.
Waterproofing warranty in writing
Water damage behind tile doesn't appear for months or years. If waterproofing is part of the scope, get a specific written warranty covering it. A contractor confident in their work will commit to it — verbal assurances are unenforceable.