- 650-287-4202
- info@seaconstruction.com
- 763 Polhemus Road Suite 1, San Mateo
Home remodeling Bay Area is our specialty at SEA Design & Build, where we bring over 38 years of experience and craftsmanship to every project. Based in San Mateo, California, we are a trusted design-build firm known for delivering custom solutions that transform houses into beautiful, functional homes. Our complete turnkey approach ensures your remodel is seamless, from the very first design consultation through to the final construction details.
Whether you’re looking for a full home remodel, a kitchen remodel, a bathroom remodel, room or home addition or an ADU, our in-house architects, designers, and family of contractors manage every stage of the process. By keeping everything under one roof, we streamline communication, reduce stress, and guarantee efficiency. You don’t need to hire separate architects, tradespeople, or project managers — our integrated design-build team handles it all.
Every project is tailored to reflect your lifestyle, taste, and budget. Our design team works closely with you to develop a plan that balances creativity with functionality, ensuring spaces that are not only visually stunning but also practical for everyday living. We provide upfront, transparent pricing and realistic timelines, so you know exactly what to expect before construction begins.
At SEA Design & Build, we take pride in delivering remodeling projects on time, within budget, and to the highest standards. Our focus on precision, attention to detail, and premium material selection has made us a preferred choice for homeowners across the Bay Area. From San Mateo to South San Francisco, Palo Alto, and all cities on the San Mateo peninsula, clients trust us for remodeling results that last.
Choose a partner committed to integrity, quality, and excellence in every detail. SEA Design & Build is here to make your dream home a reality.
Kitchen remodeling in the Bay Area brings timeless luxury and modern functionality together. From custom made cabinetry and premium countertops to custom layouts and high-end finishes, every detail is crafted to create a kitchen that is both stunning and practical—designed with sophistication, precision, and your lifestyle in mind.
Bathroom remodeling in the Bay Area transforms your space into a personal sanctuary. Whether you envision a spa-like retreat or a sleek, modern oasis, every detail—from custom vanities and premium fixtures to elegant tilework and lighting—is designed with sophistication, comfort, and lasting quality in mind.
Home and room additions in the Bay Area are the perfect way to create more space without compromising style. Our design-build approach unites architecture, interior design, and construction under one roof, ensuring every detail is thoughtfully planned and flawlessly executed. From open-plan living extensions to private retreats, each addition blends seamlessly with your home while enhancing comfort, functionality, and long-term value.
Full home renovations in the Bay Area offer the opportunity to completely reimagine your living space. Our integrated design-build team brings architects, designers, and craftsmen together to transform every detail—structural changes, layouts, finishes, and beyond—into a cohesive vision. With clear communication, refined design, and meticulous execution, your home is renewed with elegance, functionality, and lasting value.
ADU construction in the Bay Area is a smart way to add flexible living space, rental income potential, or a private retreat. Our design-build team streamlines the entire process, from initial concept and permitting to design, construction, and finishing touches. With thoughtful planning, precise craftsmanship, and a focus on lasting quality, your ADU is seamlessly integrated into your property while enhancing comfort, functionality, and long-term value.
New home construction in the Bay Area is the ultimate way to create a space designed entirely around your lifestyle. Our design-build team manages the full journey, from concept and permitting to design, construction, and finishing touches. With careful planning, expert craftsmanship, and a commitment to lasting quality, we build homes from the ground up that reflect your vision while delivering comfort, functionality, and long-term value.
Home remodeling in the Bay Area starts with experience you can trust. With over 38 years in remodeling and construction, our design-build team combines architects, in-house interior designers, and skilled craftsmen to bring your vision to life. From kitchens and bathrooms to full home renovations and ADUs, we deliver custom solutions with transparency, creativity, and precision. Every project is managed seamlessly from concept to completion, ensuring results that are timeless, functional, and built to last. Choose a partner committed to integrity, quality, and client satisfaction—choose SEA Design Build.
We provide detailed architectural and engineering plans that ensure every project is thoughtfully designed, structurally sound, and fully compliant. Our team delivers precision and creativity from concept through to approval.
Managing the entire permit process to save you time and stress, ensuring every project meets local regulations and moves forward without delays.
Our design and planning services bring your vision to life with thoughtful layouts, creative solutions, and precise attention to detail from the start.
Our design team will help you choose and acquire the perfect materials to match your project and budget, ensuring every detail reflects quality and style.
We oversee every stage of your design & build with precision and care. From coordinating trades and managing timelines to ensuring quality craftsmanship and compliance, our team handles all aspects of construction so your project runs smoothly, on schedule, and within budget.
At SEA Design & Build, our Bay Area design-build process is built around you. Every remodel whether a kitchen remodel, bathroom remodel, ADU, or full home renovation — is personalized to fit your lifestyle and vision. With a dedicated project manager overseeing each step, we handle design, permits, and construction to keep your project running smoothly, on time, and to the highest standards.
Every project begins with a friendly phone consultation. We’ll discuss your goals, budget, and timeline to determine how our design-build approach can bring your vision to life. This first step helps us understand your needs and answer initial questions about the remodeling process.
Next, we visit your home to evaluate the space in person. This allows us to learn more about your style, and explore potential solutions. Our team listens carefully to ensure your remodel fits your lifestyle and enhances your home’s value.
We create a clear concept and assess the feasibility of your project. From layouts to structural requirements, we provide practical solutions that align with your budget and goals. This stage sets the foundation for a stress-free remodeling journey.
Our designers collaborate with you to bring your ideas to life. Together, we choose finishes, fixtures, and materials that match your taste and budget. With expert guidance, you’ll see your remodel take shape with a personalised design plan.
We handle all the details, including architectural plans, engineering, and city permitting. By managing these steps for you, we ensure your project complies with local codes and is ready for smooth construction.
With everything approved, our skilled team begins construction. Your dedicated project manager keeps the remodel on track and communicates with you at every stage. The result is a beautifully finished space, delivered on time and to the highest standards.
At SEA Design & Build, we take pride in transforming Bay Area homes through our proven design-build approach. Our portfolio of recent projects includes complete home remodels, custom kitchens, modern bathrooms, ADUs, and stylish additions — each crafted to reflect our clients’ lifestyle and vision. By combining creative design, expert craftsmanship, and seamless project management, we deliver spaces that are both beautiful and functional. Whether you’re considering a kitchen renovation in San Mateo, a bathroom remodel in Palo Alto, or a full home transformation anywhere in the Bay Area, our recent projects showcase the quality, attention to detail, and timeless results that set SEA Design & Build apart.
Our greatest measure of success is the feedback we receive from our clients. With consistently positive reviews, homeowners praise our attention to detail, clear communication, and accountability throughout every stage of the process. We’re proud to have built a reputation based on trust, professionalism, and results that exceed expectations.
From concept to completion, we manage every stage of your home remodel with seamless coordination and expert craftsmanship.
As a family-owned design-build firm, we take pride in delivering every remodel with integrity, personal care, and a commitment to lasting quality.
We prioritise clear communication at every stage, keeping you informed and confident with regular updates, transparent pricing, and straightforward guidance.
We stand by our work with full accountability, which is why every project comes with a 5-year warranty—giving you lasting confidence in the quality and durability of your remodel.
Turning your vision into a home you love starts with clear answers and careful planning. At SEA Design Build, we know that beginning a remodel or new construction project comes with plenty of questions. Our FAQ section was created to guide you through the process—covering everything from design and budgeting to timelines and permits—so you can move forward with confidence and bring your Bay Area home project to life.
We provide home remodeling and design-build services across the Bay Area. Our team covers major cities and communities including South San Francisco, San Mateo, Palo Alto, Menlo Park, Redwood City, Mountain View, Sunnyvale, Santa Clara, San Jose, Cupertino, Los Gatos, Fremont, Oakland, Berkeley, Walnut Creek, and the surrounding neighborhoods in San Mateo County, Santa Clara County, and Alameda County.
Remodel costs vary depending on the size of the project, scope of work, and quality of materials. Below are average ranges to help guide your expectations:
Bathroom Remodel: $60,000 – $100,000
Master Bathroom Remodel: $80,000 – $120,000
Kitchen Remodel: $80,000 – $200,000
How much does an addition cost per square foot?
Additions are priced by size, structure, and complexity. On average, you can expect:
Single-Story Addition: $600 – $750 per sq. ft.
Second-Story Addition: $700 – $900 per sq. ft.
Whole Home Remodel: $400 – $600 per sq. ft.
Attached ADU: $550 – $650 per sq. ft.
Detached ADU: $500 – $700 per sq. ft.
The length of a home remodel in the Bay Area depends on the scope of the project. Smaller remodels, such as bathrooms, may take 4–8 weeks, while kitchen remodels often run 8–12 weeks. Full home renovations or additions can take several months. Every project is different, but with our design-build process and clear communication, we ensure timelines are realistic, efficient, and tailored to your needs.
No — with our design-build process, you don’t need to hire your own architect. Our in-house team of architects, designers, and builders work together from the start to create custom plans, handle permits, and ensure your remodel is seamless from concept to completion.
No — you won’t need to hire your own tradespeople. With our full-service design-build approach, we provide skilled in-house crews and trusted specialists to handle every aspect of your remodel, from plumbing and electrical to finishes and final touches.
S.E.A Design Build apart is our 34+ years of experience, family-owned values, and complete in-house team of architects, designers, and craftsmen. Unlike many firms, we manage every detail under one roof — from design and engineering to permits, construction, and finishes — ensuring seamless communication, transparent pricing, and superior results that last.
Stay inspired with insights, tips, and updates from our design-build team. The SEA Blog covers everything from Bay Area remodeling trends and interior design ideas to expert advice on planning your next home project. Whether you’re considering a kitchen upgrade, a bathroom remodel, or a full home renovation, our blog is here to guide you with practical information and creative inspiration.
Complete the form, or call us to
set up an in-home consultation.
763 Polhemus Road Suite 1
San Mateo CA 94402
650-287-4202
