AADU Loan Program

More Informational: Webinar - Explaining Napa County's NEW Affordable ADU Loan Program: January 18, 2023 - register now!


To better address the housing affordability crisis facing Napa County and the State of California, the County seeks to encourage the production of housing that is affordable throughout the County by incentivizing the creation of accessory dwelling units (“ADUs”) through the Napa County Affordable ADU Forgivable Loan Program.

Contact Information

Homeowner(s) and/or potential borrowers under the Program are encouraged to consult with County staff in the process via the neighborly portal to start the interest form. To learn more about the program, visit Napa Sonoma ADU.

How to Apply

Click here to start the information interest form.