Bathroom renovation costs swing harder than almost any other room in the house. A powder room refresh can land at $4,000. A primary suite gut renovation on the same block can run $80,000. The difference is not just size — it is the number of moving parts: plumbing, electrical, tile labor, waterproofing, ventilation, and the cascade of small line items that quietly make or break the budget.

We lay out the cost tiers the contractors we trust actually quote, where the money goes in each tier, and the trade-offs between saving and splurging on each component. The numbers below are working estimates for U.S. projects on homes built after 1980; older homes will run 15 to 30 percent higher.

A white subway-tile shower surround detail in a renovated bathroom

The Three Tiers

Most bathroom projects fall into one of three buckets, and the bucket determines the budget more than any individual line item.

Tier 1 — Surface refresh ($4,000 to $10,000): Reusing the existing plumbing locations, swapping the vanity, mirror, light, and toilet, refreshing the tub or shower surround with tile or a panel system, and repainting. No structural changes, no drain moves, no electrical upgrades. The footprint stays exactly the same.

Tier 2 — Mid-grade full remodel ($15,000 to $35,000): New vanity, new toilet, custom or semi-custom tile shower, updated plumbing fixtures, a new exhaust fan, a waterproofing membrane, upgraded lighting, and often a switch from builder-grade finishes to mid-grade fixtures. Layout stays the same but finishes and plumbing fixtures change significantly.

Tier 3 — Primary suite gut renovation ($45,000 to $90,000+): Layout changes possible, custom tile throughout, freestanding soaking tub, frameless glass shower enclosure, heated floors, in-floor heating, custom cabinetry, double vanity with stone tops, niche lighting, smart mirrors, and full rewiring or replumbing.

The big jumps between tiers come from two things: whether plumbing drains are staying in place, and whether tile is going on a wet area that needs waterproofing. Move a toilet 3 feet and you have added $2,500 to $5,000 in plumbing. Add a curb-less shower and the cost goes up another $1,500 to $3,000.

Where the Money Actually Goes

In a typical Tier 2 remodel, labor eats 40 to 60 percent of the budget, materials eat the remainder, and a 10 to 15 percent contingency is layered on top.

  • Demolition and disposal: $1,000 to $2,500. Skip and you cannot install anything new.
  • Plumbing: $2,000 to $8,000 for a hall bath if drains stay; $5,000 to $15,000 if anything moves.
  • Electrical: $1,500 to $5,000. Adding GFCI circuits, vanity lighting, and a proper vent fan.
  • Tile labor and materials: $4,000 to $15,000. Floor tile, shower tile, niche detailing, and labor at $15 to $40 per square foot installed.
  • Vanity and countertop: $1,200 to $6,000.
  • Shower or tub: $1,200 to $6,000 for the unit; more for tile-on-tile installs.
  • Toilet: $250 to $1,200.
  • Fixtures and hardware: $400 to $2,000.
  • Lighting and exhaust: $400 to $1,800.
  • Mirror and accessories: $200 to $800.
  • Permits, design, contingency: 10 to 20 percent stacked on top.

When you walk through a homeowner's budget that came in way over, it is almost always a labor number or a waterproofing line that surprised them. Tile setters in coastal metros now charge $20 to $40 per square foot for labor alone. Schluter waterproofing systems (KERDI, DITRA) add $800 to $2,500 in materials but they prevent the worst-case failure: a failed shower pan that means tearing out the entire bathroom to fix a leak.

Splurge or Save: The Decision Matrix

We run every bathroom component through the same four questions:

  1. Does it touch water? If yes, splurge.
  2. Is it visible at eye level? If yes, splurge on form.
  3. Is it touched daily? If yes, splurge on feel.
  4. Can it be replaced later without tearing out the room? If yes, save.

Splurge items

  • Shower valve and trim: This is the part you touch every day for ten years. A $250 to $400 rough-in valve from Delta, Moen, or Kohler lasts. A $80 builder valve feels loose in two years.
  • Tile underlayment and waterproofing: As above. Spend the $800 to $2,500 for Schluter or Wedi.
  • Vanity drawer slides: $40 soft-close slides from Blum or Hettich outlast $12 generic slides by years.
  • Toilet: A $400 to $800 Toto or Kohler with a glazed trapway and a powerful flush will not clog in three years the way a $120 unit will.
  • Exhaust fan: A 110 to 130 CFM Panasonic WhisperCeiling ($130 to $300) is not overkill. A weak vent fan lets moisture sit in the room and feeds mold.

Save items

  • Floor tile: Porcelain at $3 to $8 per square foot looks 95 percent as good as marble at $25 to $60 per square foot. Spend the difference on labor or a better vanity.
  • Shower tile: Same logic. Ceramic subway from Home Depot or Daltile at $4 to $12 per square foot is honest material. Save the $25+ tile for the niche or feature strip.
  • Vanity cabinet: IKEA, Pottery Barn's basic lines, and Wayfair's mid-tier vanities are functionally the same as $5,000 custom. The countertop is where the upgrade shows.
  • Towel bars and hooks: The cheap ones corrode in two years. Spend $20 to $40 per piece on brands like Moen, Delta, or Rejuvenation and they look fine for a decade. But you do not need to spend $80 each.
  • Lighting fixtures: $100 to $200 pendants from West Elm, Schoolhouse, or CB2 look correct in a renovated bathroom. The custom $600 fixture is not a meaningfully better fixture in this room.

Hidden Costs Most Budgets Miss

The leak in most bathroom budgets is not the big-ticket items — it is the second-tier items people forget to add in.

Permits: $300 to $1,500 depending on the municipality. Required for plumbing, electrical, and structural changes. Missing them blocks the sale of the house later.

Asbestos and lead testing: $200 to $600 if the home was built before 1980. Cutting into old tile or drywall without testing is a real health risk.

Subfloor and joist repair: Once the tile comes out, you often find a soft subfloor or undersized joists. Patching this can run $500 to $3,000, and you cannot install new tile over a bad subfloor.

Vent fan upgrades: Old vent fans pull 50 CFM and vent into the attic, which is a mold problem. New code requires 50 to 110 CFM vented to the outside. Upgrading the duct run alone runs $300 to $800.

Drywall repair: Removing a tile surround often takes the drywall behind it. Re-rocking and re-taping adds $400 to $1,500.

Door and trim replacement: If you change the vanity size, the trim and the door stop may need to move. Another $200 to $600.

Punch-out and haul-away: A real demo crew charges $1,000 to $2,500. The trash pile after a bathroom demo is real.

Contingency: A 10 to 15 percent contingency on top of the bid covers 90 percent of surprises. Skipping the contingency is how $20,000 projects become $30,000 projects.

Tile Costs, Honestly

Tile is the line item homeowners get wrong more than any other. They budget for the tile itself and forget the labor, the substrate, and the waterproofing.

A 30-square-foot shower, fully tiled wall to wall, costs $1,800 to $4,000 in tile at mid-grade prices. Labor to install it runs another $2,400 to $4,500. The waterproofing membrane and backer board add another $400 to $900. The niche, the curb, and any pattern work add another $400 to $1,200.

This is why we steer most homeowners to porcelain over marble for the main field, with the more expensive material reserved for the niche, the floor of the shower, or an accent strip. The room still reads as upgraded. The budget does not double.

The Hidden Math of Tile Layouts

A 12-by-12 wall and a 30-by-60 wall both need cut tile at the corners. The waste factor on a standard subway layout is 10 to 15 percent. The waste factor on a herringbone install is 18 to 25 percent. Always order 15 to 20 percent above your measured square footage.

For a $5 per-square-foot tile, a 20 percent over-order is $1 per square foot extra. Across a 60-square-foot shower it is $60 — annoying, not painful. For a $25 per-square-foot marble, the same over-order is $5 per square foot, or $300 across the same shower. That is why luxury tile is budget-ruinous in the field and reasonable in a niche.

Choosing a Contractor

The contractor question is worth $5,000 to $15,000 on a Tier 2 project, which is more than the difference between any two fixture tiers. Here is what we look for:

  • License, insurance, and references: Non-negotiable. A licensed plumber for any work on drains.
  • Itemized bid, not a lump sum: A bid that breaks out labor by trade lets you compare apples to apples.
  • Schedule and penalty clause: A clear start date and milestone schedule.
  • A real sub list, not the general pretending to be a plumber and an electrician.

For Tier 1 refreshes, a handyperson or a remodeler with a plumber and an electrician on call works fine. For Tier 2 and Tier 3, a licensed general contractor with a tile subcontractor is what most projects need.

Tier 1 Refreshes, Done Right

If you are staying in Tier 1, the order matters. Demo first, including any tile that has to go. Then plumbing and electrical rough-in — even if it is just a vent fan move and a new GFCI. Then tile. Then the vanity and countertop install. Then fixtures. Then paint. Then accessories.

For a powder room, expect $4,000 to $6,500 for a Tier 1 update: $300 toilet, $250 vanity, $200 mirror, $200 light fixture, $600 sink and faucet, $300 in paint and accessories, and the rest in labor and disposal.

For a hall bath, expect $7,000 to $12,000 in Tier 1 — mostly because the tile work expands. A 60-square-foot surround runs $2,000 to $4,500 in tile labor and materials at this scale.

Tier 3 Primary Suite, Honestly

A primary suite renovation is its own animal. Doubling the footprint of the bathroom — turning a 5-by-8 into a 10-by-12 — can add $20,000 to $40,000 to the project. Moving walls, replumbing to a new layout, and adding a freestanding tub are the drivers.

The smart order of operations:

  1. Pick the layout you want first, on paper, with the actual fixture dimensions.
  2. Confirm the structural layout — which walls are load-bearing, where the stack is, what the joists can do.
  3. Bid the work with at least two contractors who show their line items.
  4. Pick fixtures and tile before contract signing so the bid is locked.
  5. Build in a 15 percent contingency and treat it as untouchable.

A primary suite that should cost $50,000 reliably becomes a $75,000 project without that discipline.

The bottom line

A bathroom renovation budget is 40 to 60 percent labor, and the most expensive mistakes are layout changes, water damage surprises, and undersized waterproofing. Splurge on the valve, the toilet, the waterproofing, and the soft-close hardware. Save on floor tile, lighting, and towel bars. Add a 15 percent contingency before the first hammer swings.