CalHFA Golden State Finance Authority ADU Grant

California Housing Finance Agency

Waitlist Home Repair

About This Program

CalHFA Golden State Finance Authority ADU Grant is available to homeowners in Lafayette, CA.

State grant program to help homeowners build accessory dwelling units (ADUs) or junior ADUs (JADUs). Designed to increase housing supply by incentivizing backyard homes. Grant does not need to be repaid if unit is rented at affordable rate for 5 years.

Maximum grant for qualifying ADU construction with affordability commitment

Data last verified 2026-06-09. How we verify our data.

In Lafayette, CA, you can combine this program with other local help to cut your cost:

Key Details

  • Grant up to $40,000 for ADU or JADU construction
  • Income at or below 120% AMI preferred
  • Must commit to affordable rent for 5 years
  • Program currently on waitlist, check for reopening
  • Covers pre-development and construction costs

How to Apply

Get free help applying Visit Official Program Page Track this program

(877) 922-5432

A grant-savvy contractor in Lafayette, CA can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

You will likely need a contractor to apply

Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Lafayette early keeps your application moving.

Get matched with a contractor

Each program sets its own contractor rules. Check the official program page for exact requirements.

Your application paperwork

Documents you will likely need

  • Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
  • A government-issued photo ID for every owner on title.
  • Household income proof (recent pay stubs, last year's tax return, or benefit award letters for everyone in the home).
  • A written estimate from a licensed contractor for the work (many programs require this to apply).
  • Photos of the problem area or the work to be done.
  • The program's own application form, completed (use the official link or phone number on this page).
Download this checklist (PDF)

Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.

Deadline: Program periodically reopens; check CalHFA website

Questions about this program?

Ask us. It is free, and a real person answers within a business day.

Email us about this program

Frequently asked questions

How much can CalHFA Golden State Finance Authority ADU Grant provide in Lafayette, CA?

Up to $40,000 ADU grant.

Who qualifies for CalHFA Golden State Finance Authority ADU Grant in Lafayette?

CalHFA Golden State Finance Authority ADU Grant is open to homeowners in Lafayette, CA.

How do I apply for CalHFA Golden State Finance Authority ADU Grant in Lafayette, CA?

Apply directly with California Housing Finance Agency using the official program link on this page or call (877) 922-5432. There is no middleman and no fee.

Need a Contractor for This Grant?

Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.

Get matched with a pro, free Browse Lafayette, CA contractors

Find More Programs in Lafayette, CA

This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.

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