What to Look For (and Avoid) When Hiring a Bathroom Contractor
A bathroom remodel involves plumbing, electrical, waterproofing, and structural work all happening in a small, unforgiving space, which means a mistake here doesn't just look bad, it can cause water damage that spreads to the rooms below or beside it. Vetting the contractor matters more in this category than in almost any other home project.
Licensing and insurance are the non-negotiable baseline, and it's worth verifying both directly rather than taking a contractor's word for it. Check your state's contractor licensing database for the specific license number they've provided, and ask for proof of liability insurance and workers' compensation coverage, since a contractor without workers' comp leaves you potentially liable if someone's injured working in your home.
Experience with bathroom-specific work, not just general remodeling, is worth asking about directly. Bathrooms require specific waterproofing knowledge, proper slope for drainage, correct membrane installation behind tile, that a contractor who mostly does kitchens or additions may not have deep, current experience with. Ask to see photos of recent bathroom projects specifically, and ask for references you can actually call, not just a testimonial page on their website.
A detailed, itemized quote is the single most useful document you'll get during the hiring process, and it's worth insisting on one rather than accepting a single lump-sum number. Labor typically accounts for 40% to 65% of a bathroom remodel's total cost, and a breakdown by category, demolition, plumbing, electrical, tile, fixtures, general labor, lets you actually compare bids apples to apples and spot where one contractor's number differs meaningfully from another's.
A few questions worth asking every contractor before signing anything:
- Will you be moving the toilet, sink, or shower drain from their current locations? Keeping the existing plumbing layout can save $5,000 to $15,000 compared to relocating any of these, and it's worth knowing upfront whether a quote assumes the layout stays the same or changes
- What's your typical timeline for a project this size, and what happens if it runs over? A remodel that drags on considerably longer than promised is one of the most common sources of homeowner frustration, and a contractor with a realistic, specific answer here is generally more trustworthy than one who gives a vague, optimistic timeline
- Do you pull permits yourself, or is that on me? Most plumbing, electrical, and structural changes require permits, and skipping them, even if a contractor suggests it to save time or money, can create real problems if you ever sell the home and the work surfaces as unpermitted
A genuine red flag worth taking seriously: any contractor who wants a deposit exceeding roughly 30% of the total project cost upfront. Standard practice across most reputable contractors is 10% to 30% at signing, with the remainder tied to project milestones, and a request well beyond that range is worth treating with real skepticism regardless of how good the rest of the pitch sounds.
Get at least three quotes before deciding, and don't automatically pick the lowest one without understanding exactly what's included. A significantly cheaper bid often means a corner is being cut somewhere, lower-grade materials, a less detailed waterproofing approach, unlicensed subcontractors, and it's worth asking directly what specifically explains the gap before assuming it's simply a better deal.
A final practical step: ask what warranty covers the actual labor and installation, separate from any manufacturer warranty on materials, and get it in writing before work begins, not after the final invoice arrives.
Walking through the actual finished work with the contractor before considering the job complete is worth doing carefully, not just glancing around and signing off. Check that grout lines are even, caulk is clean and complete around every seam, fixtures operate smoothly, and there are no visible gaps or unevenness where tile meets the tub, shower pan, or floor. Catching an issue during this final walkthrough is considerably easier to resolve than discovering it weeks later, once the contractor has moved on to other jobs and is less immediately available to come back and fix it. That final walkthrough is worth doing slowly and thoroughly, even if it feels like the project is already basically finished. It's the last real chance to catch a problem while the contractor is still on-site, before they move on to the next job entirely. Don't rush this step just to get the project fully finished and behind you a few days sooner than you should. A careful final look is worth the extra time.
