San Jose's Trusted Remodeling Experts Services.

ON Design and Remodeling is a family-owned general contractor in San Jose, specializing in home additions and room expansions.

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ON Design & Remodeling - Construction company in San Jose
450+
Projects Completed
5
Avg Google Rating
15+
Years Serving San Jose
Licensed
& Insured
What We Do

Expanding Spaces, Enhancing Lives

Home addition project
Home Additions
Expand your living space with custom home additions tailored to your needs. We specialize in transforming homes in San Jose with thoughtful designs.
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Room addition construction
Room Additions
Add functional rooms that seamlessly blend with your existing home. Our team ensures minimal disruption and maximum satisfaction.
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ADU construction site
ADU Construction
Maximize your property's potential with an Accessory Dwelling Unit. We handle every detail, from permits to construction, for a worry-free process.
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Kitchen remodeling
Kitchen Remodeling
Upgrade your kitchen with modern amenities and efficient layouts. Our kitchen remodeling services in San Jose focus on both form and function.
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Bathroom renovation
Bathroom Renovations
Refresh and rejuvenate your bathroom with stylish fixtures and design elements. We work closely with you to create the perfect sanctuary.
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Outdoor living space
Outdoor Living Spaces
Extend your living space outdoors with custom decks, patios, and landscaping. Enhance your home's value and enjoy outdoor living year-round.
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How We Work

Simple process, no surprises.

01
Free Consultation
We come to you, learn your goals, and answer every question. No pressure, no sales pitch.
02
Detailed Quote
A written scope of work with line-item pricing. You know exactly what you are paying for before we start.
03
We Build It
Our own crew on site, daily updates, and a clean worksite every evening. No subcontractor surprises.
04
Final Walkthrough
We walk every room with you before calling it done. You sign off, we consider it a success.
Reviews

What San Jose homeowners say.

"I couldn't be happier with my new kitchen. ON Design and Remodeling's attention to detail and commitment to quality made the process a breeze."

John D.
Kitchen Remodel

"The room addition transformed our home. The team at ON Design and Remodeling were professional, punctual, and exceeded our expectations."

Sara T.
Room Addition

"Our ADU is a perfect solution for our rental income needs. ON Design and Remodeling's in-house permit handling made the process hassle-free."

Mike G.
ADU Construction
Get in Touch

Ready to Transform Your Home?

Contact us today for a free estimate and quick response within 24 hours.

(408) 457-8539
San Jose, CA — serving the surrounding area
Mon-Sat, 8am-6pm