Small Bathroom Remodel Cost
Short answer: a mid-range remodel of a small bathroom (about 40 sq ft) typically costs about $7,500–$15,000 at national-average labor rates. Pick your size preset, finish level and region below for the itemized version.
| Line item | Low | High |
|---|
Planning estimate only — not a quote. Figures are built from typical US per-square-foot cost bands for each line item, adjusted for finish level and region. Actual prices vary with layout changes, material choices, permits and local contractor rates.
Why small bathrooms are not cheap bathrooms
The fixed costs stay fixed. A 40 sq ft bathroom needs the same toilet, shower valve, vanity plumbing and electrician as an 80 sq ft one. That is why a small bathroom's total is lower but its per-square-foot cost is higher — often $190–$380 per sq ft mid-range, the same bands as the full bathroom remodel cost calculator.
Layout is destiny. In a small bath, moving the toilet even a foot can mean new drain runs under the floor — easily the cost of the vanity and tile combined. Every preset estimate on this page assumes fixtures stay put; if yours move, plan at or above the high end.
Where a small-bathroom budget goes
- Labor & installation — the largest line, because tile, plumbing and waterproofing do not speed up in a small room.
- Shower & tub area — reglazing or an insert at the low end; custom tile at the high end.
- Tile — large-format tiles reduce setting time and grout lines, a real saver in tight spaces.
- Vanity & fixtures — stock vanities with integrated tops compress two lines into one purchase.
Frequently asked questions
How much does it cost to remodel a small bathroom?
For a small bathroom of about 40 sq ft, a mid-range remodel typically runs about $7,500–$15,000 at national-average labor rates. A budget refresh can start near $4,200–$8,400, while high-end finishes in the same footprint can exceed $14,500–$29,000. High-cost regions push each figure up by roughly a fifth to a quarter.
What counts as a small bathroom?
Most remodelers call a bathroom small at roughly 50 sq ft or under: a 5×8 ft full bath (40 sq ft) is the classic small bathroom in US homes, and a powder room with just a toilet and sink is often 15–25 sq ft. The presets in the calculator above cover 35, 40 and 50 sq ft.
How can I save money on a small bathroom remodel?
Keep every fixture exactly where it is — moving a drain or supply line is the fastest way to blow a small budget. Reglaze the existing tub instead of replacing it, choose a stock vanity with an integrated top, and use large-format tile to cut setting labor. A one-piece or insert shower surround also costs far less than custom tile work.