Bay Area Home Remodeling & Licensed General Contractor

Whether you’re upgrading your kitchen, expanding your space, or planning a complete renovation — we bring licensed construction and remodeling expertise to homes across the Bay Area.

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Why Design and Construction by M&M?

Design by M&M is based in San Jose and proudly serves the South Bay, East Bay, Peninsula, and beyond. As a licensed general contractor, we specialize in custom home remodeling, full renovations, and additions all backed by skilled craftsmanship and reliable project delivery.

Our team handles every phase of the remodeling process from design and permitting to construction and final walkthrough. Whether you need a home remodel contractor, are planning a full home renovation, or seeking a dependable general contractor for your next project, we bring the expertise to build it right.

/ DESIGN BY M&M

Custom Home Remodeling & General Contracting, Built Around You

Design and Construction by M&M is a licensed general contractor specializing in custom home remodeling, renovations, and full-scale construction projects. Our team combines design insight with build precision to create tailored living spaces. Whether it’s a modern kitchen, a whole-home renovation, or a seamless addition. We don’t just build we deliver craftsmanship that lasts.

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Years of Experience

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Projects Completed

Our Services

We offer complete design-build solutions for residential construction and remodeling. From kitchens and bathrooms to ADUs and additions, our team delivers quality craftsmanship with every project. Explore our full range of services below.

Kitchen Remodeling

We handle complete kitchen renovations with expert design, planning, and build services. Our Bay Area kitchen remodelers deliver quality, efficiency, and modern results — from layout changes to full upgrades.

Bathroom Remodeling

We specialize in bathroom remodeling that blend function, comfort, and style. From layout changes to modern finishes, our experienced bathroom remodelers handle every detail with precision.

ADU/Garage Conversion

We build custom ADUs and convert existing garages into fully functional living spaces. From design-build ADU projects to full accessory dwelling unit construction, our team delivers high-quality, code-compliant results from start to finish.

Decking and Outdoor Remodeling.

From custom decks and patios to full outdoor transformations, we design and build stunning exterior spaces that extend your living area. Whether it’s a new patio installation, deck remodeling, or a stylish pergola, we bring craftsmanship outdoors.

Room Addition

We build custom home additions that expand your space and elevate your home’s functionality. From design to construction, our team handles every step of your room addition with expert care and precision.

New Construction

As experienced custom home builders, we deliver ground-up construction with a focus on quality, design, and detail. From planning to final build, we bring your new home construction vision to life — built to last, built around you.

Consultation & Planning

We begin with a detailed consultation to understand your vision, goals, and priorities. This includes a walkthrough, scope discussion, and budget alignment to set the foundation for a smooth project.

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Design & Material Selection

Once the scope is defined, our team guides you through the design process, from layout planning to selecting finishes, fixtures, and materials that reflect your style and functional needs.

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Permits, Scheduling & Pre-Construction

We manage all permitting and coordinate timelines, vendors, and site prep so you’re never left in the dark. Our goal is a seamless pre-build phase with clear expectations and zero surprises.

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Construction & Final Delivery

Our skilled crew handles every aspect of the build with precision, safety, and professionalism. After completion, we conduct a thorough walkthrough to ensure everything meets our standards, and yours.

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Our Featured Projects

Our work speaks for itself. These projects highlight the quality, style, and care we bring to every job — whether it’s an ADU Build in Palo Alto or a Kitchen Remodel in Menlo Park. Explore what sets our craftsmanship apart.