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, effective option for adding much-needed housing in California.
News & Updates

02/22/2023 – Due to cancelled ADU Grant files, CalHFA will open the ADU Grant portal back up for a modest number of new reservations.  The portal will be open on March 1, 2023 at 9 a.m. and grants will be reserved on a first come, first served basis.  Once CalHFA has received the number of desired reservations the portal will close immediately. Please ensure that any reservation you make is for an applicant that is fully vetted and does not have a reservation with another participant.  Any duplicate reservations will be immediately cancelled.  LEARN MORE…..

ADU Grant Program – $ 40,000.00 per Homeowner!

The ADU Grant provides up to $40,000 to reimburse pre-development and non-reoccurring closing costs associated with the construction of the ADU. Pre-development costs include site prep, architectural designs, permits, soil tests, impact fees, property survey, and energy reports.

Who is eligible

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How to apply

Since CalHFA is not a direct lender, our mortgage products are offered through private loan officers who have been approved and trained by our Agency. These loan officers can help you find out more about CalHFA’s programs and guide you through the ADU loan and grant processes.

What documents should I have ready when contacting a loan officer?
When initially contacting a loan officer, you may want to have this list of documents and information available to help answer questions that they will ask you:

  • Pay stubs
  • Bank statements
  • Employment history
  • Previous tax returns

ADU Resources

Learn HOW TO ADU with a free webinar workshop


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