Dwelling Lab is a Bay Area architecture firm specializing in Accessory Dwelling Unit (ADU) design for homeowners and property investors. We design detached backyard cottages, garage conversions, attached suites, and junior ADUs (JADUs), guiding each project from feasibility study through permit-ready construction plans. With deep knowledge of local zoning and California ADU ordinances, we serve San Francisco, Oakland, Walnut Creek, San Jose, and surrounding Bay Area communities.
Innovative, flexible, and increasingly essential, ADUs offer Bay Area homeowners and property investors a smart way to expand livable space, generate income, and support multigenerational living.
At Dwelling Lab, we design ADUs that are thoughtful, buildable, and finely tuned to your site, lifestyle, and long-term goals.
Dwelling Lab provides comprehensive ADU design services, tailored to your property type, site conditions, and long-term goals. Services include:
The architect you choose shapes how well your ADU fits your property, your budget, and California’s code requirements. Bay Area homeowners trust Dwelling Lab because:
Specialized knowledge of local ADU ordinances across Bay Area cities
Guidance from first concept and feasibility through permit-ready plans
Designs grounded in real site conditions, not generic templates
Design decisions informed by property value, rental potential, and long-term flexibility
Coverage across San Francisco, Oakland, Walnut Creek, San Jose, and beyond
Dwelling Lab is proud to design ADUs for homeowners and investors throughout the Bay Area, including:
We can help you design an ADU anywhere in the Bay Area where you own property.
Accessory Dwelling Units (ADUs) are no longer just a housing trend – they’ve become one of the smartest ways for Bay Area homeowners to maximize property value, create rental income, and build multigenerational living spaces. The most successful ADU projects begin with thoughtful architectural planning that balances local regulations, long-term functionality, and return on investment. A well-designed ADU isn’t simply an addition to your property – it’s a strategic investment that enhances how you live today while increasing your home’s value for years to come.
What you can expect when working with Dwelling Lab:
We review your property, goals, and budget, and assess what’s possible on your site
We evaluate setbacks, lot conditions, and local ADU ordinances to determine the best placement
We develop a design concept tailored to your site, lifestyle, and long-term goals
We produce detailed, permit-ready architectural and construction drawings
We guide your project through the city’s permit submission and review process
We provide support during construction to ensure the build matches the design intent
Working with a licensed, experienced architecture firm ensures:
Start Your ADU Project
If you’re looking for an experienced ADU architect in the Bay Area, get in touch with Dwelling Lab. Start with a conversation, a concept design, or a feasibility study — whatever fits your next step.
Prices for Bay Area ADUs range generally depend upon size and type, site conditions, and finishes. Garage conversions and JADUs cost the least. We recommend that a feasibility study be done first to understand the approximate costs for your specific site.
Yes, Permit requirements for California ADUs are mandatory. Dwelling Lab prepares permit-ready plans and guides clients through the local approval process.
Design and permitting process for an ADU in the Bay Area is 3 to 6 months generally, depending on the city, complexity of the project, and permit review times. Construction is an additional time, depending on the contractor schedule.
We design all types of ADUs. Detached backyard cottages, garage conversions, attached ADUs, and junior ADUs (JADUs) are all included. We consider zoning and site conditions in addition to your goals in our designs.
ADUs can provide rental income for both the short and long term, helping you cover your mortgage or provide a return on your investment. An ADU that is designed and permitted also adds value to your property.
Dwelling Lab offers services to all Bay Area cities, including San Francisco, Oakland, and San Jose and surrounding areas.
Is your property in the Bay Area? We likely can assist you.
