ADU Construction
Add value with an accessory dwelling unit
ADUs are one of the smartest investments Bay Area homeowners can make.
California ADU Regulations
We stay current on San Jose’s specific requirements.
Our Approach
We design ADUs that maximize your property’s potential.
What's Included
Detached ADUs
Standalone units in your backyard—complete homes with kitchen, bath, and living space.
Garage Conversions
Transform your garage into a fully permitted dwelling unit.
Junior ADUs (JADUs)
Convert existing space within your home into a separate unit up to 500 sq ft.
Above-Garage Units
Add living space above a new or existing garage.
Permit Navigation
We handle San Jose's ADU permit process.
Utility Connections
Proper electrical, plumbing, and sewer connections—all to code.
Frequently Asked Questions
How much does an ADU cost to build?
ADUs typically cost $150,000-$400,000+ depending on size and finishes.
How long does ADU construction take?
Plan for 6-12 months from design to completion.
What size ADU can I build?
In San Jose, detached ADUs can be up to 1,200 sq ft.
Can I rent out my ADU?
Yes! California law allows ADU rentals.
Service Areas for ADU Construction
Ready to Start Your Project?
Schedule a free consultation with Brian to discuss your vision. We'll provide honest advice and a detailed estimate—no pressure, no obligation.