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Bathroom Remodel Cost · Montana

Bathroom Remodel Cost in Montana (2026)

Bathroom Remodel in Montana typically runs $14,200–$38,900 for a mid-range full bathroom (5x8 to 8x10 ft, mid-tier fixtures, ceramic or porcelain tile, no layout changes).

Modern bathroom interior with vanity, mirror, shower, and tile

Montana context that moves a bathroom remodel cost

Climate: Cold continental with harsh winters, heavy snowfall in mountain areas, and short building season. Western Montana gets more precipitation; eastern Montana is semi-arid.

Labor market: Near national average.

Permits & codes: Montana has limited statewide building codes — many rural areas have no code enforcement. Cities like Billings, Bozeman, and Missoula have adopted the IRC. Gallatin County (Bozeman) has increasingly strict requirements. Septic and well permits are common in rural areas.

About a bathroom remodel in Montana

Bathrooms are small rooms with disproportionate cost density. A 40 sq ft bathroom involves the same trades as a 200 sq ft kitchen: plumbing, electrical, drywall, tile, finish carpentry, paint. Cost per square foot is among the highest in residential construction.

A mid-range full bath includes a new vanity with sink and faucet, toilet, tub-shower combo or walk-in shower, tile floor and wet wall, lighting, exhaust fan, mirror, and trim. The single biggest swing factor is whether you keep the existing layout (cheapest) or move plumbing fixtures (most expensive).

What moves the price

Tub vs walk-in shower

Removing a tub for a curbless walk-in shower adds $2,500–$6,500: new waterproof membrane, custom glass enclosure, regraded floor, sometimes a relocated drain. The walk-in upgrade is the most-requested 2026 remodel feature.

Tile coverage

Floor tile only: $800–$2,000 installed. Wet wall + floor: $3,000–$6,500. Floor + all walls + ceiling: $7,000–$15,000+. Tile labor varies dramatically by region — skilled tile setters can charge $90–$140/hour in tight markets.

Vanity tier

Stock vanity from a big-box store: $400–$900 with top. Semi-custom: $1,500–$3,500. Custom built-in: $4,000–$9,000+. Faucet adds $200–$600; sink adds $200–$600 if not integrated.

Layout changes

Keeping toilet, tub/shower, and vanity in their current locations saves $2,000–$5,000 in plumbing rework. Moving one fixture is moderate. Moving all three (a full layout rebuild) approaches the cost of new construction plumbing.

Code-driven electrical upgrades

Bath-area GFCI is universal. Bath fan with humidity sensor is required in most current codes. Newer code adoption cycles require AFCI on bath lighting circuits. Add $200–$500 for an electrical compliance bump when going from a 1990s bathroom to current code.

Permit and inspection

Bathroom remodel permits run $200–$600. Plumbing inspection happens at rough-in (before drywall) to verify slope, venting, materials. Electrical inspection happens at rough-in and final. Tile waterproofing is typically inspected by the homeowner or contractor; some jurisdictions inspect this too.

Bathroom Remodel cost across Montana metros

Within Montana the spread between metros is usually 25–40% of the state midpoint. Major metros pay more than rural areas because of labor demand, permit complexity, and material delivery overhead.

  • Billings — typical home build $155–$350/sq ft range
  • Missoula — typical home build $170–$390/sq ft range
  • Bozeman — typical home build $200–$460/sq ft range
  • Great Falls — typical home build $145–$330/sq ft range
  • Kalispell / Whitefish — typical home build $190–$440/sq ft range

Frequently asked questions

How much does a bathroom remodel cost in Montana?
A mid-range full bathroom remodel in Montana runs $14,200–$38,900. Half-baths (toilet + sink, no shower) run about 35–45% of that — typically $4,000–$9,000.
Walk-in shower or tub-shower combo for Montana resale?
For owner-occupants planning to stay long-term, a curbless walk-in shower has become the default upgrade. For resale, keeping at least one tub in the house (typically a primary or secondary bath) helps with families with young kids. If you have a 3-bath Montana home, the conventional choice is tub in secondary baths, walk-in in primary.
How long does a bathroom remodel take?
A mid-range full bath remodel takes 2–4 weeks from demo to final clean with no layout changes. Add 1–2 weeks for moved fixtures, another 1–2 for structural work or new windows. Tile setting is the slowest single trade (1–2 weeks for full-bath coverage including grout cure).
Do I need a permit for a bathroom remodel in Montana?
Yes if you're moving plumbing, electrical, or walls. No if you're replacing fixtures in their existing locations and not touching wiring. Montana permit fees for a bathroom are typically $200–$600. Skipping a required permit voids homeowner insurance on claims and complicates the eventual sale.
Can I DIY any of the bathroom remodel to save money?
Demo and paint are reasonable DIY tasks ($800–$1,500 in saved labor). Drywall hanging is doable for someone with experience. Tile is high-risk — bad waterproofing causes 5-figure water damage. Plumbing and electrical should always be permitted and inspected, which means licensed pros in most Montana jurisdictions.

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Related

See the full 50-state a bathroom remodel cost comparison to see how Montana stacks up nationally.

For broader benchmarks across Montana, see the cost to build a house in Montana.

Other trade costs for Montana: