Connected design and construction
Early choices stay visible as the work moves from planning into construction.
About Lewis & Proveaux Custom Builders
Welcome to Lewis & Proveaux
Residential construction guided by one accountable team
Lewis & Proveaux is a design-build contractor serving San Jose and Santa Clara County. We work on ADUs, additions, garage conversions, kitchens, bathrooms, complete remodels, and custom homes.
Bringing design, permit coordination, project management, and construction together helps homeowners understand decisions and keeps each phase connected to the original plan.
Request a consultationOur Mission
An exceptional experience, from planning to completion
We want the building process to inspire the same confidence as the finished home. Decades of experience, thoughtful planning, clear communication, and careful craftsmanship guide our work from the first conversation through completion.
We measure success by the quality of our work, the confidence our clients feel throughout the project, and the relationships that continue after the final walkthrough.
Lewis & Proveaux Custom Builders
Services for one room, a new structure, or the whole home
The right scope depends on the property, the people using it, and what needs to change. We help organize those needs into a coordinated project.
Our service area includes San Jose and surrounding Santa Clara County communities.
Our Services Include:
01Custom ADUs & Detached ADUs
02Home Additions & Room Additions
03Garage Conversions
04Kitchen Remodeling
05Bathroom Remodeling
06Whole Home Remodeling & Renovations
07Custom Home Construction
08Flooring, Finish Carpentry & Painting
09Electrical, Roofing & Insulation
10Design-Build Services & Permit Assistance
Why Choose Us
Why Homeowners Trust Lewis & Proveaux Custom Builders
Licensed residential contractor
Lewis & Proveaux holds California contractor license #604513.
Attention to the whole project
Layout, materials, building systems, and finishing details are considered together.
Ready to take the next step?
Share what you are considering and where the property is located. We will help you understand the next practical step.