Bathroom Remodel Cost Estimator: Calculate Your Renovation Costs
Get an accurate estimate of your bathroom renovation costs by entering the details below.
How Much Does a Bathroom Remodel Cost?
A typical mid-range bathroom remodel runs $150–$250 per square foot, or $10,000–$25,000 for a 50–100 square foot bathroom. Upscale projects (custom tile, walk-in shower, double vanity) can reach $350–$1,000+ per sq ft. The spread is driven by size, region, quality grade, and layout changes — plus two code items new homeowners routinely miss: exhaust fan and GFCI protection.
Cost Breakdown by Component
| Component | Share of total | Typical range (mid-size bath) |
|---|---|---|
| Labor | 40–65% | $2,000–$20,000 |
| Cabinetry / vanity | 15–20% | $1,200–$13,000 |
| Fixtures (toilet, sink, shower) | 15–20% | $1,500–$15,000 |
| Plumbing | 10–15% | $1,000–$10,000 |
| Electrical | 5–10% | $500–$5,000 |
| Flooring / tile | 10–15% | $800–$7,000 |
Bathroom labor is proportionally higher than most other rooms — 40–65% of total, versus 35–50% for a kitchen or 40–55% for a basement — because tile setting, plumbing, and electrical are tightly interwoven and all inside a small footprint. The percentages above include labor + materials combined. Source: Angi and NARI survey data for mid-range bath remodels.
Cost per Square Foot by Quality Grade
| Grade | Cost per sq ft | Typical materials | Best for |
|---|---|---|---|
| Basic | $100–$150 | Stock vanity, ceramic tile, builder fixtures | Rental properties, quick refresh |
| Mid-range | $150–$250 | Semi-custom vanity, porcelain tile, name-brand fixtures | Average homeowners |
| Upscale | $250–$350 | Custom vanity, natural stone tile, high-end fixtures | Upscale homes |
| Premium | $350–$1,000+ | Designer fixtures, marble, curbless shower, heated floor, smart toilet | Luxury properties |
Premium projects frequently exceed $500 per sq ft when they combine a curbless shower, heated floor, designer fixtures, and smart toilet. The common online "average cost per sq ft" ($150–$250) reflects mid-range scope; it understates premium scope by 3–5×. Source: Angi / Remodeling Magazine Cost vs. Value.
Regional Cost Variations
| Region | Variance | Typical cost per sq ft | Key driver |
|---|---|---|---|
| Northeast | +25–30% | $200–$350 | Higher labor, stricter code |
| Midwest | Baseline | $150–$275 | National median |
| South | −10% | $125–$250 | Lower labor rates |
| West Coast (metro) | +30–40% | $225–$400 | Demand and material costs |
Common Renovation Options
| Component | Tier | Installed cost |
|---|---|---|
| Walk-in shower | Standard alcove, tile | $3,500–$6,000 |
| Custom walk-in, frameless glass | $8,000–$15,000 | |
| Curbless + linear drain + bench | $15,000–$25,000 | |
| Vanity | 24"–36" stock | $300–$800 |
| 48"–60" double, semi-custom | $800–$2,000 | |
| Custom / floating | $2,000–$5,000+ | |
| Bathtub (standard to freestanding) | — | $2,000–$10,000 |
| Toilet (basic to smart) | — | $200–$1,800 |
| Floor tile (ceramic to stone) | — | $800–$7,000 |
Code-Mandated Items People Forget
Three items drive a large share of the cost difference between a "cosmetic refresh" and a code-compliant bathroom remodel. Skipping any of them can fail the inspection or — worse — leave a mold or electrical hazard behind the new finishes.
1. Exhaust Fan (IRC M1507.2, ASHRAE 62.2)
- Requirement: bathrooms must have mechanical exhaust at ≥ 50 CFM intermittent or 20 CFM continuous (ASHRAE 62.2), or an operable window if your jurisdiction permits that alternative.
- Typical cost: $150–$500 installed (fan + duct + vent cap). Upgrading to a quiet model (≤ 1 sone) or adding a humidity sensor adds $100–$250.
- Electrical: may require a new dedicated circuit — $200–$500.
- Why it matters: the fan is the only reliable moisture control behind tile and drywall. Skipping it is the most common cause of post-remodel mold, and code requires it.
2. GFCI Protection (NEC 210.8)
- Requirement: all 125-volt receptacles in a bathroom must be GFCI-protected.
- Cost: GFCI outlet $20–$50 each; installation labor $100–$200 each.
- When to update: any remodel that opens a wall or adds/relocates a receptacle should add or verify GFCI — old non-GFCI wiring is a code violation.
3. Shower Waterproofing (ANSI A118.10, TCNA)
- Requirement: shower walls and floors need a bonded waterproofing membrane that meets ANSI A118.10, installed to TCNA standards (including pre-slope on floors where applicable).
- Cost: $800–$2,500 in materials for a typical shower; labor is embedded in the tile-setter's scope.
- Why it matters: inadequate waterproofing is the single most common cause of a shower remodel failure. Mold remediation after a failed shower easily costs $5,000–$15,000 and forces a full re-tile. Ask the contractor for the specific membrane spec (e.g., Schluter Kerdi, Laticrete Hydro Ban) and confirm it meets ANSI A118.10.
Contingency Budget by Home Age
| Home age | Contingency | Common surprises |
|---|---|---|
| < 15 years | 10–15% | Minor layout adjustments |
| 15–30 years | 15–20% | Worn plumbing, outdated electrical |
| > 30 years | 20–25% | Rotted subfloor, code upgrades, hidden water damage |
Remodeling Magazine and NARI both recommend 10–20% for standard projects; older homes commonly require the higher end. Contingency is not the same as savings — it is a reserve for documented extras, not scope creep.
Real ROI — What the Surveys Actually Show
- Mid-range bathroom remodel: 60–70% cost recovery (Remodeling Magazine national average).
- Upscale bathroom remodel: 55–60% cost recovery — premium finishes recover less than their cost.
- Local variation: ±10–15% by market. In competitive, high-price-per-sq-ft neighborhoods, the upper end applies; in slow markets, the lower.
The commonly quoted "60–80%" range uses the upper end generously. Per Remodeling Magazine's published data, 60–70% is the realistic mid-range national figure; 80% is a best-market outcome, not the baseline. ROI is a resale metric — the strongest reason to remodel is usually use value, not resale return.
How to Save — Real Impact
| Strategy | Typical savings | Notes |
|---|---|---|
| Keep plumbing layout unchanged | 10–20% | Moving plumbing adds $2,000–$6,000 |
| Porcelain instead of natural stone | 30–50% on tile | Visually similar to many stones |
| Stock or semi-custom vanity vs. custom | 40–60% on cabinetry | Ready-made heights fit most bathrooms |
| Refinish existing tub vs. replace | 60–80% on tub | Lasts 10–15 years with good prep |
| Batch trades (plumber + electrician + tile) | 10–15% | Single mobilization vs. three |
| Phased project | Cash-flow only | Does not save money — repeated mobilization costs more |
Timeline — Realistic
| Phase | Duration | What causes it to stretch |
|---|---|---|
| Design + permits | 2–4 weeks | Custom design, permit backlog |
| Demolition | 1–3 days | Hidden damage, disposal constraints |
| Rough-in (plumbing + electrical + vent) | 3–5 days | Layout changes, code upgrades |
| Inspection | 1–5 days | Inspector scheduling |
| Waterproofing + tile | 5–10 days | Tile size, custom patterns, cure time |
| Fixtures + finishes | 3–5 days | Custom glass, cabinetry lead time |
Realistic total: 4–8 weeks for a mid-range bathroom. A cosmetic-only refresh (paint, hardware, vanity top, lighting) can be 1–2 weeks and does not usually require a permit if plumbing and electrical are untouched.
Permits — What Usually Requires One
Any plumbing, electrical, or structural change in a bathroom almost always requires a permit and an inspection. A cosmetic refresh (paint, fixtures swapped in-kind, floor covering) typically does not. Skipping a required permit voids insurance and can force demolition when discovered at a sale inspection.
- Building permit: $200–$1,500; 1–3 weeks to issue (layout, walls, doors, ventilation changes).
- Plumbing permit: $100–$400 (any fixture relocation or new plumbing).
- Electrical permit: $100–$300 (new circuits, GFCI additions, relocated fixtures).
- Mechanical permit: $100–$300 (new or relocated exhaust fan).
Quick Reference — Total Cost by Size and Grade
| Bathroom size | Basic | Mid-range | Upscale |
|---|---|---|---|
| Small (35 sq ft) | $3,500–$5,250 | $5,250–$8,750 | $8,750–$12,250 |
| Medium (75 sq ft) | $7,500–$11,250 | $11,250–$18,750 | $18,750–$26,250 |
| Large (125 sq ft) | $12,500–$18,750 | $18,750–$31,250 | $31,250–$43,750 |
| Master (175 sq ft) | $17,500–$26,250 | $26,250–$43,750 | $43,750–$61,250 |
Values use the cost-per-sq-ft ranges above. Add exhaust fan ($150–$500), GFCI updates ($100–$200 per outlet), contingency (10–25% by home age), and any walk-in shower upgrade from the "Common Renovation Options" table.
Related Tools
- Basement finishing cost estimator — for a second bath addition
- House construction cost estimator — for major additions
- Mold removal cost estimator — if waterproofing has failed
- Monthly mortgage payment calculator — for financing the project
Frequently Asked Questions (Bathroom Remodel)
How much does it cost to remodel a bathroom?
Mid-range projects run $150–$250 per square foot — $10,000–$25,000 for a 50–100 square foot bathroom. Basic refreshes are $100–$150 per sq ft; upscale and premium remodels (walk-in shower, custom vanity, marble) reach $250–$1,000+ per sq ft. Add a contingency of 10–25% by home age, and budget for the exhaust fan and GFCI updates if not already compliant.
How much should I budget for unexpected costs?
Remodeling Magazine and NARI both recommend 10–20% for standard projects. Use 10–15% for homes under 15 years old, 15–20% for 15–30 years, and 20–25% for homes over 30 years. Common surprises: rotted subfloor, outdated plumbing, non-GFCI electrical, and non-compliant exhaust.
Should I remodel my bathroom before selling?
A mid-range bathroom remodel recovers 60–70% of cost at resale (Remodeling Magazine national average); upscale recovers 55–60%. Cosmetic refreshes (paint, hardware, updated lighting) often return more per dollar than a full remodel. Consider your local market, the condition of other bathrooms in the home, and your expected time to sale.
What are the most cost-effective updates?
- Paint, hardware, and light fixtures — $200–$1,200; visual refresh
- Vanity top and faucet — $500–$2,000; strong appearance upgrade
- Updated lighting (LED, layered) — $300–$1,200; improves both appearance and safety
- Regrout existing tile — $400–$1,200; restores look without replacement
How can I save money on my bathroom renovation?
Keep the plumbing layout (10–20% savings); choose porcelain instead of natural stone (30–50% on tile); use a stock or semi-custom vanity (40–60% on cabinetry); refinish rather than replace a tub (60–80% on the tub); batch plumber, electrician, and tile work into one mobilization (10–15%). Phasing does not save money — it spreads cash flow and costs more due to repeated mobilization.
What permits do I need for a bathroom remodel?
Most remodels that touch plumbing, electrical, or structure require a building permit plus the matching trade permit. Typical: building $200–$1,500; plumbing $100–$400; electrical $100–$300; mechanical $100–$300. Cosmetic refreshes that swap fixtures in-kind usually do not require a permit. Skipping a required permit voids insurance and complicates a future sale.
Do I need an exhaust fan if I have a window?
IRC M1507.2 allows an operable window as an alternative in some jurisdictions, but ASHRAE 62.2 and most local codes require mechanical exhaust (≥ 50 CFM intermittent or 20 CFM continuous) for a bathroom. In practice, a fan is also the only reliable moisture control — windows are rarely opened in cold or rainy weather. Budget $150–$500 installed and add a dedicated circuit if needed.
What is the biggest risk of a bathroom remodel?
Inadequate shower waterproofing. It is the single most common cause of post-remodel mold, and remediation costs $5,000–$15,000 plus a full re-tile. Require a waterproofing membrane that meets ANSI A118.10 (e.g., Schluter Kerdi, Laticrete Hydro Ban) installed to TCNA standards, and confirm the specific material in the contractor's scope.
How do I find a reliable contractor?
- Research: verify license and insurance; check recent reviews and complaint history.
- References: ask for 3 recent bathroom jobs and photos; confirm the same crew and tile setter will do your job.
- Quotes: get 3+ detailed written estimates with line items for labor, materials, waterproofing, permits, and contingency.
- Red flags: large deposits (over 30%) up front, vague scopes, no written warranty, pressure to sign today.
Is this calculator a substitute for contractor quotes?
No. It provides a planning estimate based on published survey data. Actual prices vary by region, contractor, and the condition of the plumbing and waterproofing behind the walls. Get 3+ itemized quotes from licensed contractors, confirm permits and code items (fan, GFCI, waterproofing) are included, and hold the contingency reserve. Related tools: basement finishing cost estimator, mold removal cost estimator, house construction cost estimator.