A bathroom can be one of the smallest rooms in the house and still become one of the most expensive to remodel. That surprises people until they look at what is packed into the space. Plumbing, electrical work, waterproofing, tile, cabinetry, fixtures, ventilation, and inspections can all be involved within a few dozen square feet.
I’m Sam Brenich, Chief Marketing Officer at New Day Construction. We remodel homes throughout King and Snohomish counties, and our Bellevue showroom gives us a good view of what Eastside homeowners are actually choosing. When someone asks me what a bathroom remodel costs in Bellevue, I can give them a useful range, but I would never give one number and pretend it applies to every room.
A powder room and a primary bathroom are not the same project. A bathroom that keeps every fixture in place is not the same as one where the toilet, shower, or electrical system moves. A 32-square-foot bathroom with expensive tile and custom cabinetry can also cost more than a larger room with simpler selections.
For the type of full bathroom remodels New Day Construction takes on, our October 2026 benchmark for a standard bathroom is about $35,000. That usually means a room around 4 by 8 feet with a tub or shower, vanity, toilet, tile around the wet area, a new valve, and updated fixtures.
A powder room starts closer to $20,000 because the scope is smaller and there is no shower or tub. A primary bathroom generally starts around $50,000, especially when it includes a separate shower and tub, a double vanity, and more finish work. A luxury primary bathroom can start around $80,000 and continue upward depending on the design and materials. Those numbers describe complete remodeling projects, not one-day fixture swaps. If somebody only wants to replace a tub without changing the rest of the room, a specialty bath company will usually be faster and less expensive than hiring a full-service remodeler.
The important thing is to compare the same type of work. A $15,000 bathroom number you find online may describe a much lighter renovation than a $50,000 design-build project, even if both are called a bathroom remodel.
Tile is one of the easiest places to see how quickly labor changes. In our current pricing, large-format tile around 2 by 4 feet runs approximately $75 per square foot installed. Smaller tile around 6 by 6 inches can reach roughly $95 per square foot because the crew has to set many more individual pieces. On 100 square feet of shower surface, that difference alone can add about $2,000 in installation labor, before the material itself is considered.
Cabinetry can move the number just as quickly. A semi-custom vanity and a fully custom vanity may occupy exactly the same wall, but the pricing can be very different. Fixtures follow the same pattern. A faucet, shower system, mirror, lighting package, or freestanding tub can be selected at several very different price levels without changing the room dimensions at all. That is why I encourage homeowners to make as many selections as possible before the final estimate. Open allowances create room for the budget to move later. If a contractor assumes one tile or vanity level and the homeowner chooses something far above that allowance after signing, the total will naturally increase.
We go into the current Bellevue price ranges, finish choices, permits, and estimate questions in more detail in our full guide to bathroom remodel costs in Bellevue.
Moving a toilet, shower, or vanity can require new drain lines, supply lines, venting, and sometimes work in the room or floor below. A walk-in shower can also change the waterproofing system, drain configuration, and glass scope. Heated flooring adds another layer because it needs electrical work and, depending on the installation, a dedicated circuit.
In Bellevue, permit requirements depend on exactly what is being changed. Replacing some fixtures in the same location may not require the same approvals as installing or relocating plumbing or adding electrical circuits. Shower and bathtub work, plumbing changes, and electrical modifications can bring permits into the project, and government fees should be identified separately in the written estimate.
Older homes add another variable. A shower can look perfectly serviceable and still have been built before current waterproofing practices became standard. We can inspect what is visible before construction, but some conditions only become clear after demolition. The contract should explain how that kind of discovery will be documented, priced, and approved.
Bathroom costs are concentrated. Even a small room may still need a plumber, electrician, tile setter, drywall work, waterproofing, cabinetry, painting, fixtures, permits, and project management. The room does not get dramatically cheaper just because it loses ten or twenty square feet.
A standard bathroom can stay closer to the lower end if the layout remains intact and the material selections are straightforward. The same room can move much higher if the homeowner wants custom cabinetry, smaller-format tile, premium fixtures, a curbless shower, heated floors, or substantial plumbing changes. That is why two bids for rooms with the same measurements can be tens of thousands of dollars apart without either number automatically being wrong. The important question is what each contractor priced.
One of our Lake Forest Park projects is a good example. Daniel was remodeling a 32-square-foot bathroom and a 48-square-foot laundry room that had remained largely unchanged since the house was built in 1984. During the initial inspection, the existing shower tile still looked good, but the installation predated modern waterproofing methods, so demolition and substrate preparation needed extra attention.
We gave Daniel two versions of the project. The semi-custom cabinetry option was approximately $46,000, while the custom cabinetry option was $54,000. Both included materials, labor, demolition, haul-away, and permit costs. Daniel came to our Bellevue showroom and compared the cabinet options in person. The semi-custom line did not have the finish he wanted, so he chose custom. That one decision moved the total by $8,000, or about 17%.
The project started in mid-March and finished in mid-May 2026. The final cost was $54,000, exactly the amount in the approved estimate.
I think that is more useful than quoting a national average. The homeowner saw two real options, understood the price difference, made the material decision before construction, and finished at the number he agreed to.
Online bathroom cost ranges are so wide because they often combine completely different projects. A faucet replacement, cosmetic refresh, standard full remodel, and luxury primary suite may all be included in the same dataset.
For planning purposes, I would start with the actual level of renovation you want rather than the square footage alone. Decide whether the layout changes, whether you want custom cabinetry, what kind of tile you prefer, whether heated flooring or a walk-in shower is important, and whether the house is old enough that hidden conditions are more likely. Then ask the contractor to show you where those choices appear in the estimate.
A Bellevue bathroom remodel may reasonably start around $35,000 in our work, but the useful number is the one attached to your actual design, selections, permits, and existing conditions. The goal is not to chase the lowest number. It is to understand what you are paying for before construction begins.
Homeowners planning a bathroom remodel in Bellevue or elsewhere on the Eastside can see more of our completed work and remodeling approach at New Day Construction.
The Stone Magazine (TSM): Sam, what is a realistic starting budget for a full bathroom remodel in Bellevue?
Sam Brenich (SB): For the complete remodels we do, I would use around $35,000 as a benchmark for a standard bathroom. A powder room starts lower, around $20,000, while a primary bathroom is usually $50,000 and up.
TSM: Why can a bathroom that small cost $35,000?
SB: Because the room still has plumbing, electrical, tile, waterproofing, fixtures, cabinetry, and several different trades involved. Small square footage does not remove those parts of the job.
TSM: What usually pushes the price up fastest?
SB: Finish selections and layout changes. Custom cabinetry can move the number a lot, and tile labor changes depending on the format. Moving plumbing can also add a lot of work that is invisible once the bathroom is finished.
TSM: Does smaller tile really make that much difference?
SB: It can. There are simply more pieces to lay, align, cut, and grout. That is why we price a smaller tile installation differently from large-format tile.
TSM: Is moving a toilet one of the expensive changes?
SB: It can be because now you may be moving the drain, vent, and supply, and sometimes that affects the floor below. It is not the same as replacing a toilet in the existing location.
TSM: What about a walk-in shower?
SB: That can add waterproofing, drain work, glass, and other details. I would want all of those lines identified separately in the estimate.
TSM: How much should homeowners worry about hidden conditions in an older Bellevue home?
SB: They should plan for the possibility without assuming the worst. You can inspect a lot before construction, but you cannot see everything behind tile or inside a wall. The important thing is having a written process for what happens if something is discovered.
TSM: Why was Daniel’s project useful as a pricing example?
SB: Because the choice was very clear. Semi-custom cabinetry put the project at $46,000, and custom put it at $54,000. He could see exactly what the extra money was buying before he made the decision.
TSM: What is the biggest mistake homeowners make when budgeting a bathroom?
SB: Looking at one online average and assuming it describes their project. The layout, material level, and scope matter much more than one national number.
TSM: What should a homeowner know before signing?
SB: They should know what is included, which selections are still allowances, what permits are expected, and how hidden conditions or changes will affect the price. If those answers are clear, the budget is much easier to trust.
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