DESIGN-BUILD CONTRACTORS
SERVING SAN JOSE & THE
GREATER BAY AREA
ONE TEAM. ONE CONTRACT. ONE SEAMLESS EXPERIENCE.Diamond Group Builders provides a streamlined design-build
process for custom homes, additions, and whole-home remodels.
ONE POINT OF CONTACT
Work with a single team from start to finish.
BUDGET MINDED DESIGN
We consider your budget during the design phase ⎯ not after.
FASTER TIMELINES
Better planning and communication mean faster timelines.
FEWER SURPRISES
Clear expectations, detailed planning, and transparent pricing
BUILT BETTER
Design and construction work together for a better finished project.
DESIGN-BUILD SERVICES
WHY CHOOSE DIAMOND GROUP BUILDERS
✓ Local, experienced, and trusted in the Bay Area
✓ In-house project management from concept to completion
✓ Transparent communication and detailed planning
✓ High-quality craftsmanship and premium materials
✓ Strong relationships with architects, engineers, and city officials
✓ Committed to delivering a smooth, stress-free experience
DESIGN-BUILD SAN JOSE
Diamond Group Builders, Inc. provides expert design-build San Jose solutions for homeowners seeking a streamlined approach to creating, expanding, or transforming their homes. As a trusted design-build firm in San Jose, CA, we handle design and construction together so the project stays coordinated, decisions happen faster, and there’s less back-and-forth during the build.
Our construction services are built around a fully coordinated process where designers, architects, engineers, and contractors work together as one team. It helps keep things moving, cuts down on confusion between teams, and results in a build that stays consistent in quality and detail all the way through.
DESIGN BUILD CONTRACTOR FOR CUSTOM HOMES AND REMODELING
As a leading design build contractor serving the San Jose area and broader Bay Area, we specialize in:
Custom homes and new custom home construction
Full home remodeling and home renovations
Kitchen remodel and bathroom upgrades
Second story additions and luxury expansions
Home remodel and complete property transformations
High-end luxury home additions
We focus on getting the details right so the design and build work together smoothly and the finished space feels cohesive and well executed.
See Our Work in Action
ADU Build
Home Remodeling
Kitchen Remodeling
FEATURED PROJECTS
Inside This Beautiful Custom ADU in Willow Glen
Diamond Group Builders completed this custom detached ADU in San Jose, adding 997 square feet of functional living space. This
Luxury Custom ADU in Santa Clara With Warm Modern Design
Diamond Group Builders completed this custom ADU in Santa Clara to create a modern backyard living space. The project replaced
A Stunning Menlo Park Full Home Remodel & Addition
Diamond Group Builders completed this custom Menlo Park home remodel and addition to completely transform the original 1940s home. The
A Stunning Luxury Modern Ranch Custom Home
This modern ranch custom home combines comfort, function, and high-end craftsmanship. The 2,968 sq. ft. single-story layout includes 4 bedrooms,
Timeless Elegance: San Jose, CA Bathroom Transformation
Elevate your San Jose home with the expertise of Diamond Group Builders, your premier choice for home remodeling. As the
Modern Luxury Bathroom Remodel in Santa Clara
Diamond Group Builders completed this custom luxury bathroom remodel in Santa Clara with a bold and modern design. The space features a
WHAT OUR CLIENTS SAY
Our clients praise us for customer satisfaction, clear communication, and hands-on involvement. Homeowners love our attention to detail, professionalism, and ability to transform properties into functional, stylish spaces. Read our reviews to see why we’re one of San Jose’s most trusted Kitchen Remodeling.
FREQUENTLY ASKED QUESTIONS
What is design-build and how does it work?
Design-build is a fully integrated approach where design and construction are handled by a single team. With everything under one roof, you get better coordination, faster decisions, and a smoother process through every stage of the project.
Is design-build better for remodeling projects?
Yes. For a remodeling project, design-build improves efficiency, reduces risk, and keeps all design elements and construction decisions aligned under one team.
Do you handle permits and structural engineering?
Yes. We manage permit processing, coordinate structural engineering, and oversee all technical requirements, so your project stays compliant and on schedule.
Do you work on custom homes and additions?
We specialize in custom homes, new builds, second-story additions, and luxury home additions throughout the San Jose area.
BEGIN YOUR SAN JOSE HOME PROJECT WITH OUR DESIGN-BUILD TEAM
If you’re thinking about a remodel, a new kitchen, or building a custom home, we can help you figure out the right path and take it from there.
Reach out when you’re ready to talk through your project in San Jose or anywhere in the Bay Area.
"*" indicates required fields
This site is protected by reCAPTCHA Enterprise and the Google Privacy Policy and Terms of Service apply.