Marin ADU Fair + Open House (FREE AM FAIR + ADU Tour PM $25) at 300 Tamalpais Dr – Corte Madera, CA

Ready to explore what’s possible with an ADU? Join us for Marin County’s first-ever ADU Fair + Open House Tour on Saturday, October 4, 2025.

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.

Morning ADU Fair (Free)

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;

Info Sessions:

• 9:15AM Kick off the ADU Fair with Ryan O’Connell, the impassioned host of How To ADU, who will gear you up to plan and complete your ADU!
• 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

Afternoon ADU Open House Tour ($25)

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

Cost:

• 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 to your property!