Most of what makes a bathroom last is hidden behind the tile. Two quotes can look the same and differ on waterproofing, the shower valve, and what happens if there's water damage under the floor.
What a complete quote should cover
Check that every quote you get prices each of these — or says clearly that it's excluded.
Demolition and debris haul-off
Waterproofing method for the shower and floor
Shower valve and supply lines — replaced or reused
Tile — who supplies it, and the allowance per square foot
Vanity, toilet, and fixtures — who supplies them, and installation
Shower glass — type and who measures it
Electrical — outlets, lighting, and exhaust fan vented outside
Drywall or cement board, paint, and trim
Permits, inspections, and final cleanup
Questions to ask every contractor
What waterproofing system do you use, and do you test the shower pan before tiling?
What happens to the price if you find rot or water damage under the floor?
Is the tile allowance enough for the tile I actually want?
Is this a fixed price, or an estimate that can change?
Which items are allowances, and what dollar amount is each one?
What's the payment schedule, and what work is finished at each payment?
Who pulls the permits, and are permit fees included?
Who runs the job day to day, and which work goes to subcontractors?
How are change orders priced and approved?
What's the start date, how long will it take, and what happens if it runs late?
What warranty do you give on your workmanship?
Before you sign, check the contractor's license, bond, and workers' comp on the CSLB website. In California, a down payment should never be more than 10% of the contract price or $1,000, whichever is less.
Every job is different, but a schedule that skips or reorders these steps is worth asking about.
Selections — tile, vanity, fixtures, and glass
Permits
Demolition, and repair of anything found underneath
Rough plumbing, electrical, and fan venting, then inspection
Backer board and waterproofing, with a water test for the shower
Tile
Vanity, toilet, and fixtures
Shower glass (measured after tile is done)
Paint, final inspection, and a punch list
Often left out of bathroom remodel quotes
If one quote is much lower than the others, start here.
Waterproofing behind tile
Replacing the shower valve and old supply lines
Subfloor or rot repair if found during demo
Tile allowance vs. the tile you actually pick
Exhaust fan vented outside, not into the attic
What does it cost?
It depends heavily on your house, your finishes, and your city, so we don't publish averages. Instead, we compare your actual quote against real project records and tell you which prices look high, which look low, and what's missing.
Want an expert to check your quote?
An experienced residential developer — who doesn't compete for your job — reviews it against real project data and tells you what's fair, what's missing, and what to push back on. Delivered in 3 business days.