Bathroom remodel estimator
What will your bathroom remodel actually cost?
Answer a few questions about size and fixtures to get a realistic price range for your bathroom remodel, broken down by what actually drives the cost.
Estimated cost
$9,350 – $12,650
Estimate only, based on national contractor pricing data and the inputs above. Actual quotes vary by contractor, materials, and site conditions — use this to plan your budget, not as a bid.
What actually drives bathroom remodel costs
Two bathrooms the same size can cost twice as much to remodel depending on one decision: whether the plumbing stays where it is. Moving a toilet, tub, or shower drain even a few feet means cutting into the slab or subfloor, rerouting supply and waste lines, and often pulling a plumbing permit — that's the "Reconfiguring plumbing layout" add-on above, and it typically adds $1,800-$2,500 on its own. Keep the same footprint and you skip all of that.
Tile is the next lever. A budget bathroom uses stock ceramic tile at $2-4/sq ft; a designer-tier bathroom often runs large-format porcelain or natural stone at $12-20/sq ft, plus the labor cost of a more intricate installation pattern. That gap alone can move a small bathroom from the Standard tier to the Designer tier.
Whether the job is a full gut renovation or a cosmetic refresh changes the labor bill more than almost anything else. A cosmetic refresh — new vanity, new fixtures, new paint, same layout — keeps drywall, subfloor, and rough plumbing intact. A full gut strips everything to the studs, which means new drywall, new subfloor, and often code-driven upgrades (GFCI outlets, proper ventilation) that an untouched bathroom was grandfathered out of.
Walk-in and curbless showers cost more than a standard tub/shower combo for a structural reason, not a cosmetic one: a curbless entry requires the shower floor to be recessed or the surrounding floor built up to create a zero-threshold transition, which means reworking the subfloor and drain location — not just swapping fixtures.
How to read this estimate
The range above isn't a guess — it's built from three numbers multiplied together. Start with a national baseline cost per square foot for your chosen fixture tier (Standard, Upgraded, or Designer), multiply by a regional cost-of-living factor (the Northeast and West Coast run 15-20% above the national average; the South typically runs 10% below), then multiply by your bathroom's square footage. Any add-ons you select get the same regional adjustment before being added to the total.
We then widen that single number into a range — 15% below and 15% above — because even with identical inputs, real bids vary. A contractor's overhead, their current backlog, the specific brand of fixtures they quote, and local permit fees all move the final number without changing anything about your bathroom itself.
That 30%+ spread between the cheapest and most expensive legitimate quote for the identical job is normal, not a sign something's wrong. Treat this calculator's range as your planning budget — the number you use to decide whether a project is even worth pursuing — not as a bid you can hold a contractor to. The only way to get a number you can hold someone to is a written, itemized quote.
When to get a second opinion
Get at least three quotes from contractors who are licensed and carry general liability insurance — not just one contractor's word that they're "insured." Ask for a certificate of insurance directly from their insurer; a legitimate contractor will produce one without hesitation.
A quote that comes in 30-40% below the other two isn't a deal — it's a warning sign. The most common ways a lowball bid turns into a higher final cost: an allowance for fixtures or tile that's unrealistically low (so you pay the difference once you pick anything decent), a vague scope that leaves out demolition or disposal, or a contractor who plans to sub out the plumbing and electrical to whoever's cheapest that week rather than a licensed trade.
Ask every bidder the same three questions: What's included in this number and what isn't? What's your payment schedule? (Anything asking for more than 10-30% upfront before work starts is a red flag.) Can I see photos of a bathroom you finished in the last six months? A contractor who's confident in their work will have this ready. The cheapest bid is often the riskiest one — not because low prices are inherently dishonest, but because a bathroom remodel has too many hidden-until-you-open-the-wall variables for a rock-bottom number to survive contact with reality.
Frequently asked questions
How long does a bathroom remodel take?
A cosmetic refresh — new vanity, fixtures, and paint with no layout changes — typically takes 1-2 weeks. A full gut renovation, including tile work, plumbing relocation, and drywall, usually runs 3-4 weeks for a standard-size bathroom, longer if custom tile work or backordered fixtures are involved. Add a few days to any timeline if the job needs a plumbing or electrical permit, since inspections happen at fixed points in the schedule, not on demand.
Do I need a permit to remodel a bathroom?
It depends on what you're changing. Swapping a vanity, toilet, or shower fixtures in the same location usually doesn't require a permit. Moving plumbing lines, adding or relocating electrical circuits, or any structural work (removing a wall, for example) almost always does. Permit requirements are set by your local building department, not a national standard, so check with your city or county before starting — skipping a required permit can create problems when you sell the house, since buyers' inspectors and title companies both check for permit history on plumbing and electrical work.
Is it cheaper to remodel a bathroom myself?
For cosmetic work — painting, installing a new mirror or light fixture, replacing a faucet — yes, DIY saves real money since labor is often 50-55% of a bathroom remodel's cost. For anything involving plumbing rough-in, electrical circuits, or waterproofing behind tile, the math flips: a failed DIY waterproofing job that causes water damage behind the wall can cost more to fix than hiring a licensed pro would have cost in the first place. Tile setting and grouting are also more failure-prone for a first-timer than they look — uneven substrate or bad waterproofing shows up as cracked grout or a leak months later.
What adds the most cost to a small bathroom remodel?
Fixed costs don't shrink with the room. A toilet, vanity, and shower valve cost roughly the same to install in a 25-sq-ft powder room as in a 100-sq-ft primary bath, so those fixed costs make up a much bigger share of a small bathroom's total — which is why small bathrooms often cost more per square foot than large ones. Beyond that, moving plumbing and choosing a walk-in shower are the two single biggest cost adders in a small space, both because there's less room to work around existing lines.
How much value does a bathroom remodel add at resale?
Nationally, a midrange bathroom remodel typically recoups somewhere in the 60-70% range of its cost at resale, based on annual industry cost-vs-value data — meaning it rarely "pays for itself" in pure dollar terms, but it does help a home sell faster and avoid buyers negotiating a price cut for an obviously dated bathroom. Upscale, highly custom remodels (designer fixtures, heated floors, curbless showers) tend to recoup a lower percentage than a solid midrange refresh, since the priciest finishes are the most a matter of personal taste.