What is an ADU?

Accessory Dwelling Units (ADUs) have been known by many names: granny flats, in-law units, backyard cottages, secondary units and more. No matter what you call them, ADUs are an innovative, affordable, and effective option for adding much-needed housing in California.

• Signup for CalHFA ADU eNews updates

• Signup for ADU 101 online workshop

• Useful ADU 101 Materials and Education

• CalHFA ADU Grant Application Process

• CalHFA ADU Videos