Marin ADU Fair + Open House

Whether you're just starting out or already making plans, you’ll meet the experts, see real-life projects, and learn what it takes to get your ADU built — right here in Marin.

9:00 AM – 12:15 PM at Corte Madera Town Hall

Connect with local Planning staff, Architects, Lenders, and Builders. Get tips on permitting, financing, and modern construction methods

• ADU Financing Made Simple with Lindsay Moon, ProMortgage
• Design & Build Considerations with Carrie Shores Diller, Inspired ADUs
• 2025 ADU Laws You Should Know with Scott Johnston, The ADU Center
• Tips for Submitting Your ADU Application with Mark Setterland, Interim Chief Building Official, City of Novato

1:00 – 4:00 PM at locations across Marin County

• Visit 8–12 completed ADUs across Marin County
• See a range of styles and sizes, from backyard cottages to in-law units
• Self-guided driving tour — wristband and map provided at morning check-in for paying attendees

• ADU Fair (9:00–12:15) – Free
• Open House Tour (1:00–4:00) – $25 per person

Please note: Out of respect to homeowners, ADUs are only open for viewing between 1:00 – 4:00 PM.

This is your chance to talk with experts, explore real-life ADUs, and discover how an ADU could bring flexibility, income, or housing solutions to your property.

Info: Wondering how to pay for an ADU? Whether you're thinking about a backyard cottage for family or rental income, this session will walk you through the basics of financing. Learn about different loan options, using your home’s equity, and how to get started—no finance background needed!

Info: What does it really take to design and build an ADU? This session breaks down some key steps—from choosing the right layout to understanding site needs, permits, and construction timelines. Whether you're dreaming of a rental unit or a home for family-friends, you'll walk away with practical tips to help you determine the best fit.

Info: This session will highlight important new laws that can make it easier to build—or bring an existing unit up to code. We’ll cover updates around unpermitted units, new design allowances, multi-family properties and what it all means for homeowners. Perfect if you're just starting out or looking to make your ADU legal.

Info: Not sure where to start with permits? This session offers insider advice from local planning and building staff on how to successfully prepare and submit your ADU application. Learn what documents you’ll need, how to avoid common delays, and ways to make the process smoother from start to finish. You can also ask specific planning and building code questions during Q & A!

Info: The self-guided tour portion allows participants to visit completed ADUs across Marin County, providing firsthand insight into design solutions, construction quality, and the practical benefits of ADU development for homeowners and communities. The ADUs will be open from 1pm to 4pm ONLY. **Out of respect to the homeowners, please do not show up outside these hours.**

Host or Publisher ADU Center