CalHFA ADU Grant Program
California Housing Finance Agency
About This Program
The Grant Map catalogs CalHFA ADU Grant Program in its Corona, CA research directory. The record carries audience tags for homeowners; those tags do not establish eligibility or current service coverage.
Provides grants to California homeowners to build new accessory dwelling units (ADUs) or convert existing spaces to ADUs. Priority for households at or below 120% AMI. Funds pre-development costs and construction.
Grant covers portion of ADU development costs, up to $40,000
Record set last reviewed 2026-05-25. How we verify our data.
Other published resources for Corona, CA, are listed below. Review each separately and ask the administrators whether they can coordinate funding for the same work:
- FEMA Hazard Mitigation Grant Program (HMGP) Varies, no individual cap; projects typically $10K-$200K+
- FEMA Increased Cost of Compliance (ICC) Coverage Up to $30,000
- HUD Lead Hazard Control & Healthy Homes Varies by jurisdiction, typically $5,000-$15,000 per unit
- EPA / WIIN Act Lead Service Line Replacement Varies, full line replacement cost covered in many programs
Key Details
- Up to $40,000 grant for ADU construction
- Income at or below 120% AMI priority
- Covers pre-development and construction
- Helps create affordable housing units
- Currently waitlisted, check for reopening
How to Apply
Source check inconclusive. Our automated check on could not determine whether the cited page responds. The page is not marked unavailable; opening it does not verify the program, amount, eligibility, or availability.
Track this programProgram phone: (877) 922-5432
Some programs require contractor estimates, licenses, or inspections. A cited link may be general, so confirm the current rules with the administrator before hiring; a directory match does not guarantee contractor eligibility or funding.
You may need a contractor or estimate
Some programs for this project type ask for a license, inspection, or written estimate. Confirm the rule before contacting a contractor in Corona.
Get matched with a contractorEach administrator sets its contractor rules. Confirm exact requirements directly; the cited URL may be a general agency page.
Your application paperwork
The CalHFA ADU Grant reimburses up to 40,000 dollars of the predevelopment and non-recurring closing costs of building an accessory dwelling unit, such as site prep, architectural designs, permits, soil tests, impact fees, and surveys. You apply through a CalHFA-approved ADU lender or participant. Funding is released in rounds, so confirm a round is currently open before you count on it.
Steps to apply
- Confirm you own and occupy the property and meet the income limit for the current grant round.
- Develop your ADU plans (scope of work and budget).
- Contact a CalHFA-approved ADU participant or lender to start the application.
- Submit your ADU plans and income documentation; the grant reimburses eligible predevelopment costs.
Documents you will likely need
- Proof you own and occupy the property.
- Income documentation (pay stubs, W-2s, tax returns).
- ADU plans: scope of work and budget.
- Itemized predevelopment cost documents (designs, permits, soil tests, surveys).
Requirements vary by program and locality. Confirm the exact rules and application route with the administrator. We can help you prepare your paperwork, but you submit it yourself.
Deadline: Check for reopening
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Frequently asked questions
What amount is listed for CalHFA ADU Grant Program in Corona, CA?
The Grant Map record states: Up to $40,000 grant. Confirm the current amount and eligible costs with the administrator.
What audience tags are recorded for CalHFA ADU Grant Program in Corona?
The directory record carries audience tags for homeowners. These tags do not establish eligibility; confirm the complete current rules with the administrator.
How do I apply for CalHFA ADU Grant Program in Corona, CA?
Confirm the application route directly with California Housing Finance Agency; use the cited source on this page as a starting point or call (877) 922-5432. Confirm any fee or cost with the administrator.
Need a Contractor for This Project?
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More ways to save on this project
Rebates and discounts that may reduce project cost. Confirm eligibility and coordination rules before including one in your budget.
Find More Programs in Corona, CA
This is one of several kinds of assistance that may be available. Review other programs separately and confirm whether their administrators allow coordination for the same work.
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