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Custom ADUs in San Jose & Surrounding Areas
Expand Your Space. Elevate Your Property.
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Accessory Dwelling Units (ADUs) are one of the smartest investments for Bay Area homeowners. Whether you're creating space for guests, family, or rental income, we design and build luxury ADUs that blend seamlessly with your home — and your lifestyle.
At Innovative Design Build, we handle the entire process: design, permitting, construction, and final finishes. With deep knowledge of city requirements and a refined design aesthetic, we make it easy to transform unused space into lasting value.
Our Full-Service ADU Process
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Consultation & Site Visit
We listen to your goals, assess your property, and review local zoning. -
Architectural Design
Custom layouts tailored to your needs — modern, efficient, and beautiful. -
Permitting & Approvals
We handle all city submissions, including structural and Title 24 compliance. -
Construction Management
Our experienced crews handle every phase with expert oversight and white-glove care. -
Finishes & Handover
High-end materials, clean finishes, and final inspections — done right the first time.
Types of ADUs We Build
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Detached ADUs – Standalone units with complete privacy
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Attached ADUs – Extensions of your existing home
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Garage Conversions – Transform underused space into livable square footage
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Above-Garage ADUs – Smart builds with minimal footprint
Where We Work
We serve San Jose and surrounding areas including:
Santa Clara, Campbell, Los Gatos, Saratoga, Sunnyvale, Cupertino, Milpitas, Mountain View, and nearby neighborhoods.
Cost & Timeline Overview
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Typical Build Time: 5–12 months (including permits)
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Average Cost Range: $170,000–$350,000+ depending on size, finishes, and site conditions
ADU FAQs
-Do you handle permits?
Yes. We manage all permits and coordinate directly with local planning departments.
-Can I rent out my ADU?
Absolutely. Many of our clients use their ADUs for long-term rentals or Airbnb.
-What’s the minimum lot size?
It depends on your city, but most single-family lots in San Jose qualify.
-Can you match the style of my main house?
Yes. Our design team ensures your ADU blends in — or stands out — exactly how you want.
Let’s Build Your ADU
You bring the vision. We’ll bring it to life — beautifully, efficiently, and built to last.
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