CalHFA ADU Grant Program

California Housing Finance Agency

Closed Home Repair

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Availability: Closed
Listed amount: Grant up to $40,000 for ADU construction

Review status and administrator source Open Cited Source

About This Program

Provides grants to help cover the predevelopment and non-reoccurring closing costs associated with building an accessory dwelling unit (ADU). The ADU must be made available for rent to a low-income household for at least five years.

Grant for ADU predevelopment and closing costs

The cited general URL responded on 2026-09-17; it does not confirm this program or amount.

Record set last reviewed 2026-06-09. How we verify our data.

Other published resources for Rancho Santa Margarita, 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 Local lead-service-line replacement assistance varies; contact your water utility

Key Details

Grant up to $40,000 for ADU development costs
Must rent ADU to low-income household for 5 years
Covers predevelopment and closing costs
Moderate income limits apply
Currently not accepting applications

How to Apply

Confirm the current application route with the administrator. Verified official forms and steps appear below when available.

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Program 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.

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Deadline: Program currently not accepting applications

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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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