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How to Hire a Bathroom Remodeling Contractor

Updated

Bathroom remodeling covers everything from simple fixture and vanity swaps to complete gut renovations with new tile, plumbing, and layout changes. Waterproofing the shower and tub area is critical — improper waterproofing is the leading cause of bathroom remodel failures, leading to mold, rot, and structural damage behind walls. A reputable bathroom remodeler uses proper membrane systems (Kerdi, RedGard, or similar) and manages the sequencing of plumbing rough-in, waterproofing, tile, fixtures, and finish work. Permits are required when plumbing or electrical is modified.

Typical cost

$8,000 – $35,000per project

Basic refresh: $3,000–$8,000. Mid-range remodel: $10,000–$25,000. High-end or master bath: $25,000–$50,000+. Custom tile showers add $3,000–$8,000.

Hiring checklist

  1. 1Ask specifically about their waterproofing method for shower and tub surrounds.
  2. 2Confirm the bid includes all fixtures, tile, vanity, and any plumbing or electrical modifications.
  3. 3Ask about ventilation — an appropriately sized exhaust fan is critical for moisture control.
  4. 4Get a timeline that accounts for tile cure time and fixture lead times.

Frequently asked questions

  • How much does a bathroom remodeling contractor charge?

    Typical bathroom remodeling costs range from $8,000 to $35,000 per project. Basic refresh: $3,000–$8,000. Mid-range remodel: $10,000–$25,000. High-end or master bath: $25,000–$50,000+. Custom tile showers add $3,000–$8,000.

  • Do bathroom remodeling contractors need to be licensed?

    Licensing requirements vary by state. In most states, bathroom remodeling contractors must hold a state license. Always verify the license number with your state's licensing board before work begins.

  • How many estimates should I get?

    Get at least three written estimates for any project over $1,000. Compare line by line — not just the bottom line — to ensure you're comparing equivalent scopes of work.

  • What should be in the contract?

    A written contract should include: full scope of work, materials specified by brand and grade, timeline with start and completion dates, payment schedule tied to milestones, workmanship warranty terms, and a change order process.

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