Expert ADU Contractors in Berkeley
Get a custom accessory dwelling unit in Berkeley, designed to maximize space, value, and modern living.
4.9/5 rating from 56+ online reviews.
Smart ADU Solutions for Homes in Berkeley
Building an ADU in Berkeley CA is one of the most practical ways to expand your living space without leaving your neighborhood. Whether you’re planning for rental income, family living, or a private workspace, a well-designed Berkeley accessory dwelling unit adds both flexibility and long-term value.
As experienced ADU contractors in Berkeley, we understand local zoning, design expectations, and how to make the most of limited urban space. From concept to completion, we build ADUs that feel intentional, not like an afterthought.
Complete ADU Services in Berkeley
Detached ADUs
Attached ADUs
Granny Flats
Backyard Cottages
In-Law Suites
Garage Conversions
Prefab ADUs
Complete ADU Services in Berkeley
Detached ADUs
Attached ADUs
Granny Flats
Backyard Cottages
In-Law Suites
Garage Conversions
Prefab ADUs
Complete ADU Services in Berkeley
Detached
ADUs
Attached
ADUs
Granny
Flats
Backyard Cottages
In-Law
Suites
Garage Conversions
Prefab ADUs
Structural Excellence & Outdoor Integration in Berkeley
See how we transform backyards in Berkeley and the Bay Area with precision and seamless home integration.
FAQs On ADU Construction in Berkeley
What is an ADU in Berkeley?
An ADU in Berkeley is a secondary living unit built on the same property as your main home.
Do I need permits for an ADU in Berkeley?
Yes. All Berkeley accessory dwelling units must meet local zoning and building requirements. We manage approvals for you.
How much does it cost to build an ADU in Berkeley?
Costs vary based on size, design, and site conditions. A professional ADU builder in Berkeley can provide a tailored estimate.
Can I build a prefab ADU in Berkeley?
Yes. A prefab accessory dwelling unit in Berkeley is a faster option, depending on property and regulations.
Do I need an architect for my ADU in Berkeley?
In many cases, yes. A Berkeley ADU architect helps ensure your design meets both functional and regulatory needs.