An Accessory Dwelling Unit (ADU) is a small, independent residential unit built on the same lot as a primary home. It can take the form of a detached cottage, garage conversion, or basement apartment. ADUs have become increasingly popular in the Bay Area due to rising housing demand, flexible living arrangements, and strong rental opportunities.
Cities across the East Bay—including Oakland, Berkeley, Walnut Creek, and Concord—are making it easier than ever to build an ADU by offering pre-approved ADU plans. These programs streamline the process, reduce costs, and help homeowners quickly unlock the benefits of adding an ADU.
Oakland has embraced ADUs as a solution to housing shortages. The city offers detached ADUs with pre-approved designs and a streamlined permitting process. This makes Oakland ADU development faster and more predictable, saving homeowners both time and money. Learn more about Oakland’s ADU program
Berkeley provides a gallery of energy-efficient ADU designs with reduced plan check fees. Homeowners can choose from modern layouts that meet sustainability goals while keeping costs manageable. With Berkeley ADU plans, you can build a unit that complements your property while supporting the city’s green initiatives. Explore Berkeley’s ADU designs
Walnut Creek offers multiple city-reviewed ADU styles with expedited approvals. Partnering with a Walnut Creek ADU contractor ensures your project is built to code and completed efficiently. Contractors familiar with the city’s pre-approved plans can help you maximize ROI while minimizing delays. See Walnut Creek’s ADU program
Concord stands out by offering free pre-approved ADU plans ranging from studios to two-bedroom units. Permits can be issued in as little as five days, making Concord one of the fastest cities for ADU development. Whether you want a compact studio or a spacious two-bedroom, Concord pre-approved ADUs provide affordable, ready-to-build options. Browse Concord’s free ADU plans
ROI & Benefits of Building an ADU
These designs give homeowners flexibility to choose the right size and style for their property.
If you’re a homeowner in the East Bay, building an ADU is one of the most cost-effective ways to generate rental income and increase property value. With Oakland ADU development, Berkeley ADU plans, Walnut Creek ADU contractor expertise, and Concord pre-approved ADU options, the process has never been easier.
We are a build and design company, and we will meet you in person to bring you a free proposal and to give you options tailored to your property. 2026 is the perfect time to start your ADU project—unlocking both financial benefits and long-term housing flexibility in the East Bay.
Ready to explore your ADU options? Contact us to schedule a free consultation. We’ll walk you through pre-approved designs, ROI potential, and construction timelines—so you can make the best decision for your property.
Schedule your free proposal today and take the first step toward building your East Bay ADU.
