Bathroom Remodeling in Renton
A bathroom remodel should do more than update the look of the room it should make the space work better for your home and your everyday needs. Grand Building Construction provides bathroom remodeling in Renton, WA, helping homeowners improve outdated, inefficient, or hard-to-use bathrooms with practical renovation solutions.
Thoughtful Bathroom Remodeling for Renton Homes
Every Renton home has different remodeling needs. An older bathroom may have worn fixtures, poor ventilation, or an outdated layout, while a newer space may simply need better storage, a larger shower, or finishes that better suit the homeowner’s style. A well-planned remodel starts by identifying what is not working and making practical improvements around those needs.
Renton’s wet Pacific Northwest climate also makes moisture control worth considering. Proper shower waterproofing, ventilation, and durable materials can help protect the bathroom and reduce moisture-related problems over time.
From homes near Lake Washington and Gene Coulon Memorial Beach Park to neighborhoods closer to Downtown Renton, the right renovation depends on the existing space. Grand Building Construction approaches each project individually, whether the goal is a few focused upgrades or a complete bathroom renovation.

Bathroom Remodeling Services in Renton
A bathroom renovation can be as focused as replacing a shower or vanity or as extensive as a complete remodel involving the layout, plumbing, tile, flooring, lighting, and finishes. Grand Building Construction works with Renton homeowners to plan the right scope for their space, whether they need a few practical upgrades or a full bathroom transformation.
Our bathroom remodeling services can include shower remodeling, tub-to-shower conversions, walk-in showers, custom vanities and storage, tile and flooring, fixtures and lighting, and complete bathroom renovations. Each project is planned around the existing bathroom, the homeowner’s priorities, and the improvements that will make the space more functional and comfortable.
From individual upgrades to a complete renovation, the goal is to bring the different parts of the bathroom together into one well-planned remodeling project.
Shower Remodeling
A shower remodel can address leaks, difficult access, outdated finishes, or a layout that no longer works well. We look at the existing space first, then recommend practical options for the shower design, tile, drainage, waterproofing, fixtures, and storage whether the goal is a simple upgrade or a more accessible walk-in shower.
Walk-In & Accessible Showers
A walk-in shower can make a bathroom safer and easier to use by reducing barriers at entry and improving everyday access. Depending on the space, we can incorporate practical features such as a low threshold, shower bench, handheld showerhead, grab bars, non-slip flooring, and accessible fixtures to better support comfort, mobility, and long-term usability.
Small Bathroom Remodeling
A walk-in shower can make a bathroom safer and easier to use by reducing barriers at entry and improving everyday access. Depending on the space, we can incorporate practical features such as a low threshold, shower bench, handheld showerhead, grab bars, non-slip flooring, and accessible fixtures to better support comfort, mobility, and long-term usability.
Primary & Guest Bathroom Remodeling
Different bathrooms serve different purposes, so the remodel should reflect how each space is used. A primary bathroom may focus on comfort with a walk-in shower, double vanity, or soaking tub, while a guest or family bathroom often benefits from durable finishes, practical storage, and an efficient layout. We plan upgrades around everyday use rather than a one-size-fits-all design.
Custom Bathroom Design & Finishes
The right materials depend on how the bathroom will be used, how much maintenance you want, and the overall design. We help homeowners make practical choices for tile, flooring, vanities, countertops, lighting, and fixtures balancing appearance with durability. For example, porcelain may suit low-maintenance needs, while natural stone offers a different look but typically requires more care.
Bathroom Waterproofing, Plumbing & Installation
What happens behind the finished surfaces is just as important as what you see. We address practical details such as waterproofing, drainage, plumbing, electrical work, and ventilation to help prevent leaks and moisture-related problems. A properly prepared shower area, including the waterproofing system and drainage, provides the foundation for finishes that are built to perform over time.
How Much Does a Bathroom Remodel Cost in Renton, WA?
Bathroom remodeling costs in Renton can vary significantly depending on the size of the space, the scope of work, material selections, and whether plumbing, electrical, or layout changes are involved. A focused guest bath update may cost less than a complete primary bathroom renovation with custom features and structural changes.
Typical Bathroom Remodeling Cost Ranges
Guest Bath / Powder Room: $10,000–$25,000
May include a new vanity, toilet, faucet, lighting, paint, and flooring.
Mid-Range Full Bathroom: $25,000–$50,000
May include a new vanity, tub or shower, tile, flooring, lighting, and updated fixtures.
High-End Primary Bathroom: $55,000+
Projects may include a custom vanity, freestanding tub, walk-in shower with frameless glass, heated floors, premium fixtures, and possible layout or structural changes.
The biggest cost factors are typically labor, demolition, plumbing or electrical work, tile, fixtures, materials, and changes to the existing layout. These ranges are estimates only; the most accurate price comes from evaluating the specific bathroom and project scope.
Ready to Transform Your Bathroom?
Discuss your bathroom remodeling ideas with our team and get started with a personalized consultation.
Our Bathroom Remodeling Process
A bathroom remodel involves several stages, but we keep the process organized so you know what to expect from the first conversation through the final walkthrough.
Free Consultation & Site Assessment
We discuss your goals, budget, and how you want the space to function while evaluating the existing bathroom.
Design & 3D Rendering
We develop the bathroom design and create a 3D rendering to help you visualize the finished space.
Detailed Proposal
We define the project scope, estimated costs, and the work involved before moving forward.
Material Selection & Planning
We help coordinate selections for tile, vanities, fixtures, lighting, and finishes before scheduling construction.
Construction & Installation
The project moves through demolition, necessary plumbing or electrical work, waterproofing, installation, and finishing.
Final Walkthrough & Completion
Once the work is complete, we review the finished bathroom with you and address any final project details before completion.
Bathroom Remodeling for Renton Homes
Every bathroom remodel starts with the existing home. Before recommending a new layout or selecting finishes, we evaluate the space, existing plumbing, electrical systems, and the changes needed to make the renovation practical and functional.
Homes throughout Renton can have different layouts, ages, and remodeling considerations. Whether the property is in Renton Highlands, Kennydale, Fairwood, or Benson Hill, our team begins by understanding the home itself. We look at the existing bathroom, discuss your goals, and identify potential issues before planning the project. This helps determine whether the remodel requires layout changes, updated systems, waterproofing work, or permits where applicable.

Permits & Requirements for Your Bathroom Remodel
Permit requirements depend on the scope of your bathroom remodel. Changes involving regulated plumbing, electrical, mechanical, structural, or building work may require permits and inspections through the City of Renton.
We review the project scope early so permit requirements can be identified before construction begins. The City of Renton notes that separate permits may be required for electrical, plumbing, and mechanical work on residential interior remodels. For current requirements, homeowners should always confirm details with the City before starting work.
For official information, visit the City of Renton Permit Services.

Common Bathroom Problems We Help Solve
Bathroom problems often point to practical issues that a remodel can address. An outdated layout may need better storage, an unused bathtub can be replaced with a more practical shower, and a cramped space may benefit from smarter fixtures and improved sightlines.
Persistent leaks, moisture, or poor ventilation should be evaluated before new finishes are installed. We also help homeowners explore safer options, such as low-threshold showers and other features that improve everyday access. Our team evaluates the existing problem, explains the available options, and recommends a solution based on how the bathroom is actually used.
Why Grand Building Construction for Your Renton Bathroom Remodel?
Choosing a contractor should come down to what you can verify, not broad promises. Grand Building Construction is based in Renton, provides remodeling services, offers free estimates, and lists Washington contractor license GRANDBC795LG. Before hiring any remodeling contractor, homeowners should compare project scopes, estimates, communication, and the details included in the work. Our team works with homeowners from the planning stage through construction and final walkthrough, helping keep the project scope and expectations clear throughout the process.
EXCELLENT
Based on 86 reviews
Posted on Google![]()
azucena solanoTrustindex verifies that the original source of the review is Google.
I recently decided to remodel my master bathroom because it was seriously outdated, since the 70s! Working with Emil so far has been a pleasure. We got creative together, figuring out solutions for things that mattered to me. His communication and attention to detail were what I really liked. From the beginning of the project, Emil made sure I was in the loop and part of every decision making process. I really appreciated that, especially since I can be quite picky about what I want. The bathroom is still in progress but so far I absolutely love the transformation! Thank you guys! I must say the work has been on time, super clean, the crew is very respectful and I appreciate their hard work. We're still in the process right now and so far this is my 5 star review.Posted on Google![]()
Ayleen MaganaTrustindex verifies that the original source of the review is Google.
Josh helped us turn our old tub into a modern walk in shower, and it completely changed the feel of our bathroom. He suggested a tile pattern I never would have thought of, and it looks incredible with the lighting. Every evening before leaving, he cleaned up so well you could barely tell work was being done. The water pressure feels stronger now and the glass enclosure makes the whole room brighter. Couldn’t be happier with how it came out.Posted on Google![]()
Jessica LainTrustindex verifies that the original source of the review is Google.
I had them convert my tub into a walk-in shower, and it’s easily the best upgrade I’ve done. The tile work is stunning, and the glass enclosure makes the whole bathroom feel bigger. They even added a rainfall showerhead — total game changer.Posted on Google![]()
Daniela HernandezTrustindex verifies that the original source of the review is Google.
Grand Building Construction in Bellevue did our bathroom remodel after years of putting it off, and I wish we had done it sooner. The crew removed old flooring, updated the plumbing, and created a gorgeous walk-in shower with glass doors. They also added a double vanity that makes mornings so much easier. The project was seamless, and their communication made the whole process stress-free. Our new bathroom is both practical and stunning.Posted on Google![]()
EvyTrustindex verifies that the original source of the review is Google.
Our living room remodel turned out to be a complete game-changer for our home. The crew removed the old carpet and replaced it with rich hardwood flooring, which instantly elevated the look of the space. They added crown molding for a refined touch, installed recessed lighting for a softer, warmer atmosphere, and even reconfigured the layout to create better flow. The attention to detail was impressive, from perfectly aligned trim to seamless paint transitions. This space now feels like the heart of the home, and we couldn’t be happier.Posted on Google![]()
Julia MartinezTrustindex verifies that the original source of the review is Google.
We hired them to remodel our master bedroom and bathroom, and the transformation is unreal. From the custom vanity to the new walk-in shower, every detail was done with precision. The team showed up on time every day and really respected our space. It feels like we’re living in a boutique hotel.Posted on Google![]()
Briana RodriguezTrustindex verifies that the original source of the review is Google.
Josh was great to work with throughout the entire project. They always kept me updated on the progress and responded quickly to all of my questions. Grand Building Construction was willing to help us with a couple of small projects that turned out great! We would definitely work with them again.Posted on Google![]()
Kerem SolorioTrustindex verifies that the original source of the review is Google.
The basement remodel transformed our unused space into a cozy home theater and guest suite. They waterproofed the area, installed luxury vinyl floors, and soundproofed the walls. Their designers helped us pick the right colors and lighting to set the mood. Every detail was considered, from cable routing to smart lighting. It’s now our favorite room in the house.Posted on Google![]()
dustin gutierrezTrustindex verifies that the original source of the review is Google.
We hired them for an exterior remodel for our home in Renton and were impressed at every stage. They replaced siding, upgraded our windows, and painted the entire exterior with precision. The house looks brand new and more energy efficient. Communication was constant, and they stayed on budget. We’ve had several compliments from neighbors already.Posted on Google![]()
Marian Abigail RodriguezTrustindex verifies that the original source of the review is Google.
Living room and hallway got a full makeover with new flooring, paint, and built-ins. The work was clean, detailed, and finished on time. They respected our space and made sure everything fit our style.
Bathroom Remodeling Projects
Every bathroom renovation has different challenges, from outdated layouts and unused tubs to plumbing updates and limited storage. Our completed projects show how these issues can be addressed through thoughtful design, quality materials and practical construction solutions. Explore examples such as our Renton master bathroom remodel with a walk-in shower, Renton bathroom remodel with a custom vanity upgrade, Renton bathroom remodel with a tub replacement, and Renton primary bathroom remodel with gold fixtures to see how different bathroom needs can be transformed into functional, comfortable spaces.
Explore more completed transformations, project details and before-and-after photos on our Before & After Projects



Explore Our Services
Whether you’re planning a single-room update or a larger home improvement project, we offer a range of remodeling and construction services to help bring your vision to life.
Ready to Remodel Your Bathroom in Renton?
Whether you’re dealing with an outdated layout, an unused bathtub, limited storage, or a bathroom that simply no longer fits your needs, the first step is understanding your options.
We’ll discuss your ideas, assess the project, and provide a clear estimate based on the scope of work. Schedule your free consultation and take the next step toward your bathroom remodel.
Frequently Asked Questions
How much does a bathroom remodel cost in Renton?
Bathroom remodeling costs vary depending on the size of the space, materials, layout changes, and the amount of plumbing or electrical work involved. A smaller guest bath may cost less than a full primary bathroom renovation with a custom vanity, walk-in shower, tile, and structural changes. The best way to get an accurate price is through a detailed project estimate.
How long does a bathroom remodel take?
The timeline depends on the scope of work. A straightforward update may take less time than a complete renovation involving demolition, plumbing, electrical work, waterproofing, tile installation, and inspections. Material availability and permit requirements can also affect scheduling. A clear project scope helps establish a more realistic timeline before construction begins.
Do I need a permit for a bathroom remodel in Renton?
Permit requirements depend on the scope of the project. Cosmetic updates may be treated differently from work involving plumbing, electrical systems, structural changes, or other regulated construction. Requirements should be confirmed with the appropriate local authority before work begins, and permits should be handled where applicable to the project.
Can I convert my bathtub into a walk-in shower?
Yes. A tub-to-shower conversion can be a practical option for homeowners who rarely use their bathtub and prefer easier access or a more open layout. The project may involve changes to plumbing, drainage, waterproofing, the shower pan, tile, and glass enclosure depending on the existing bathroom.
How much does a tub-to-shower conversion cost?
The cost depends on the existing plumbing, shower size, waterproofing requirements, tile selection, fixtures, and whether the layout needs to change. A basic conversion will generally have a different cost than a custom walk-in shower with frameless glass, niche storage, premium tile, and upgraded fixtures. A site assessment provides the most accurate estimate.
Can you remodel a small bathroom?
Yes. Small bathrooms can often benefit significantly from thoughtful planning. The right vanity, storage, lighting, shower design, and layout can make a limited space feel more functional and open. Wall-mounted fixtures, recessed storage, larger mirrors, and carefully selected finishes can also help improve how the room looks and works.
Can you change my bathroom layout?
Yes, although changing a layout usually adds complexity to the project. Moving plumbing fixtures, walls, or electrical components can affect the scope, cost, and timeline. Before recommending changes, the existing structure, plumbing locations, drainage, and available space should be evaluated to determine what makes practical sense.
Does a bathroom remodel include plumbing?
It can. Plumbing work may be needed when replacing or relocating a shower, bathtub, toilet, or vanity. In some projects, existing plumbing can remain in place, while others require updates to supply lines or drainage. The required work depends on the condition and layout of the existing bathroom.
Does a bathroom remodel include electrical work?
Electrical work may be included when the project involves new lighting, outlets, exhaust fans, mirrors, or other bathroom fixtures. Older bathrooms may also need updates depending on the existing electrical setup and the planned improvements. The electrical scope should be reviewed during the planning stage.
What type of shower is best for a small bathroom?
The best shower depends on the available layout and how the bathroom is used. A walk-in shower with clear glass can create a more open visual feel, while a properly designed shower enclosure can maximize usable space. The size, door configuration, drainage, and storage needs should all be considered before choosing a design.
Is a walk-in shower better than a bathtub?
Neither option is automatically better—it depends on your lifestyle and goals. A walk-in shower can improve accessibility and may be ideal for homeowners who rarely use a bathtub. A bathtub may still be useful for families with young children or homeowners who prefer it. The best choice should fit how you actually use the bathroom.
What bathroom flooring is easiest to maintain?
Porcelain tile is a popular option because it is durable and works well in moisture-prone spaces. Other materials may offer different benefits depending on comfort, appearance, maintenance, and budget. The best flooring choice should balance water resistance, slip resistance, cleaning requirements, and the overall design of the bathroom.
How do I choose a bathroom remodeling contractor?
Start by reviewing the contractor’s licensing, experience, project examples, estimates, and communication process. Ask who will manage the project, how changes are handled, and what work is included in the scope. A detailed conversation before construction begins can help reduce uncertainty and make it easier to compare contractors fairly.
What should a bathroom remodeling estimate include?
A useful estimate should clearly explain the proposed scope of work and major project components. Depending on the project, this may include demolition, plumbing, electrical work, waterproofing, tile, fixtures, installation, and finishing. Homeowners should also understand what is included, what may be selected separately, and how changes to the scope are handled.