Last Updated on May 18, 2026

California homeowners still find older articles saying the state may help pay up to $40,000 toward an ADU. That creates a real budgeting problem. Plans, permits, surveys, and site work can cost thousands before construction starts, but the main statewide grant people search for is not currently open for new funding.

The CalHFA ADU Grant Program provided up to $40,000 for eligible pre-development and non-recurring closing costs tied to building an accessory dwelling unit. As of May 18, 2026, CalHFA states that the latest round of ADU grant funding was fully allocated on December 28, 2023, and the program is not accepting new applications. CalHFA warns homeowners that anyone claiming they can still secure the grant may be attempting a financial scam—verify claims directly with CalHFA or an approved lender. 

This guide explains what the grant covered, who it was built for, why it is paused, and what California homeowners can review in 2026 before moving forward with an ADU.

Is the $40,000 CalHFA ADU Grant Available in 2026?

The $40,000 CalHFA ADU Grant is not accepting new applications as of May 2026. 

CalHFA maintains program documents and resources online for reference, but that does not mean new grant money is currently available. The official CalHFA program page confirms the most recent ADU funding round was fully allocated on December 28, 2023. 

For homeowners, the practical answer is simple: do not build your ADU budget around receiving this grant unless CalHFA announces a new funding round.

What Was the CalHFA ADU Grant Program?

The CalHFA ADU Grant Program was a California Housing Finance Agency program that helped qualified homeowners reduce early ADU project costs. 

An accessory dwelling unit, or ADU, is a secondary housing unit built on the same property as a primary home. It may be a detached backyard unit, garage conversion, attached addition, or unit above an existing structure.

The grant supported homeowners during the planning and financing stage, before full construction began. For local project planning, LuxDevLA’s ADU construction in Los Angeles page explains how site review, design, permitting, and construction fit together.

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What Costs Did the CalHFA ADU Grant Cover?

The grant covered eligible soft costs, not the full construction build. 

CalHFA listed the following pre-development costs as eligible: site preparation, architectural designs, permits, soil tests, impact fees, property surveys, and energy reports. 

It could also apply to certain non-recurring closing costs, depending on the loan and program rules. 

The grant was not meant to pay directly for framing, roofing, plumbing, electrical labor, windows, fixtures, or general contractor labor.

How Did the CalHFA ADU Grant Work?

The grant worked through approved financing, not as a direct cash payment. 

A homeowner had to work with a participating lender and qualify under program rules. If approved, the funds were applied through the loan structure toward eligible ADU costs or the loan balance.

That distinction matters. The program did not mean “California sends you $40,000 to build an ADU.” It meant eligible homeowners could reduce certain early project costs through lender-managed funding.

Who Was Eligible for the CalHFA ADU Grant?

The program was designed for owner-occupant homeowners, not investors. 

A homeowner generally needed to:

  • Own the property where the ADU would be built
  • Live in the main home on that property
  • Meet income limits (which varied by funding round and lender product)
  • Work with an approved lender
  • Use funds for eligible ADU-related costs
  • Move forward with an ADU construction or renovation loan

Eligibility rules, including area median income (AMI) thresholds and other program-specific criteria, changed across funding rounds. If the state reopens funding in the future, homeowners should check the new terms rather than relying on old income limits or past lender summaries.

Did Homeowners Have to Pay ADU Costs Upfront?

In many cases, yes.

A lender may need architectural plans, project scope, cost estimates, or site information before approving ADU financing. That means some homeowners paid for early documents before grant funds were applied.

If those costs qualified, the lender could review receipts and apply the approved amount through the financing structure. The homeowner did not automatically receive a cash reimbursement.

For current project planning, LuxDevLA’s guide on the cost to build an ADU in Los Angeles breaks down major budget factors before design work begins.

What ADU Funding Alternatives Are Available in California in 2026?

The statewide CalHFA ADU Grant is paused, but homeowners can still review other funding paths.

The California Department of Housing and Community Development lists ADU-related funding channels such as Local Housing Trust Fund programs, REAP grants, Community Development Block Grant funds, and local housing programs. These usually operate through cities, counties, nonprofits, or regional agencies rather than direct statewide homeowner applications.

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Homeowners can review:

  • Local city or county ADU programs
  • Local Housing Trust Fund assistance
  • CalHome-related local programs (note: CalHome provides funding to local public agencies and nonprofit corporations, not directly to individuals)
  • CDBG-funded housing rehabilitation programs
  • HELOCs or home equity loans
  • ADU construction loans
  • Cash-out refinancing
  • Personal savings or phased project planning

Before relying on any program, verify it is currently accepting applications, has available funding, applies to your jurisdiction, and fits your project timeline and budget.

How to Verify a Local ADU Grant or Loan Program

Local ADU funding pages can become outdated quickly. Before building any program into your budget, confirm the details directly with the agency managing the funds.

Ask these questions:

  • Is the program currently accepting applications?
  • Is funding still available?
  • Does it apply to your city or county?
  • Is it a grant, deferred loan, forgivable loan, or technical assistance program?
  • Are there income limits, rent restrictions, or affordability requirements?
  • Does the program require owner-occupancy?
  • Are there geographic limits, matching fund requirements, or other restrictions?

This step helps prevent a homeowner from designing a project around funding that has already closed.

Can You Build an ADU Without the CalHFA Grant?

Yes. The grant was helpful, but it was never required to build an ADU.

A homeowner can still build an ADU if the property meets state law, local zoning rules, building code requirements, utility conditions, and permit standards.

Before starting, review the property’s lot size, setbacks, garage condition, utility access, drainage, fire access, parking rules, permit timeline, and total construction budget.

If the project involves converting an existing garage, LuxDevLA’s ADU garage conversion guide explains what homeowners should evaluate before construction.

Does Building an ADU Increase Property Taxes in California?

An ADU can affect property taxes because new construction may add assessed value.

In California, the added ADU value may be assessed without reassessing the entire existing home. Many counties follow state rules on supplemental assessments. The final impact depends on the county assessor, project scope, construction value, and property details. Homeowners should contact their local county assessor for a project-specific estimate before construction.

For Los Angeles homeowners, LuxDevLA’s guide to LA County ADU taxes explains reassessment, supplemental bills, and tax planning considerations.

Can You Rent Out an ADU in California?

Most homeowners can use an ADU for long-term rental housing, family housing, guest space, or independent living for relatives.

Short-term rental rules are different. Some cities restrict or prohibit ADUs as short-term rentals, so homeowners should check local rules before building for Airbnb-style income.

LuxDevLA’s guide on whether you can Airbnb your ADU covers this topic in more detail.

Consumer Protection: Avoiding ADU Grant Scams

CalHFA has issued a clear warning: anyone claiming they can still help you secure the CalHFA ADU Grant after December 28, 2023, may be attempting a financial scam.

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Before paying anyone to “guarantee” grant access:

  • Contact CalHFA or an approved lender directly
  • Request written program confirmation
  • Avoid upfront fees to third parties who claim they can secure closed state funds
  • Use only lenders listed by CalHFA or your local housing agency
  • Ask for lender contact information and verify independently

If someone approaches you with suspicious claims, do not contact them further. Forward any information (names, phone numbers) to [email protected]. [calhfa.ca]

Planning an ADU in Los Angeles Without the CalHFA Grant

The $40,000 CalHFA ADU Grant is not a reliable funding source in 2026, but ADU projects can still move forward with the right site review, budget, permit plan, and financing path.

LuxDevLA helps Los Angeles homeowners plan and build ADUs from early feasibility through construction. If you are considering a backyard ADU, garage conversion, or attached unit, contact LuxDevLA to discuss your project.

FAQs About the $40,000 CalHFA ADU Grant

Is the $40,000 ADU grant still available in California?

No. As of May 18, 2026, CalHFA confirms the latest ADU grant funding round was fully allocated on December 28, 2023. New homeowners should not treat the grant as currently available 

Why is the CalHFA ADU Grant paused?

The grant is paused because all available funds from the latest round were allocated. It may reopen only if new funding is approved and CalHFA announces another round.

What did the CalHFA ADU Grant cover?

It covered eligible pre-development and non-recurring closing costs, including site preparation, plans, permits, soil tests, impact fees, property surveys, and energy reports.

Did homeowners receive the $40,000 directly?

No. Funds were handled through approved financing and applied to eligible costs or the loan structure. It was not a direct cash payout. 

Could investors use the CalHFA ADU Grant?

No. The program was intended for owner-occupant homeowners, not investors building ADUs on non-owner-occupied properties.

Are there ADU grants in California for 2026?

There may be local or regional programs, but the statewide CalHFA ADU Grant is not open for new funding. Check with your city, county, or local housing agency for current programs.

Can I build an ADU without grant money?

Yes. Homeowners can use construction loans, home equity options, savings, or local programs if the project meets zoning, permit, and building requirements.

Should I trust someone who says they can still get me the CalHFA grant?

No. CalHFA warns that anyone claiming they can still help secure the grant after funds were allocated may be attempting a financial scam. Verify directly with CalHFA or an approved lender before sharing personal information or paying fees. 

References Used 

  1. https://www.calhfa.ca.gov/adu/
  2. https://www.calhfa.ca.gov/adu/lender/index.htm
  3. https://content.govdelivery.com/accounts/CAHFA/bulletins/3823021
  4. https://www.calhfa.ca.gov/adu/resources/index.htm
  5. https://www.calhfa.ca.gov/homeownership/bulletins/2023/2023-12.pdf