CalHFA ADU Grant Program

California Housing Finance Agency

Closed Home Repair

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Availability: Closed
Listed amount: Up to $40,000 grant

Review status and administrator source Open Cited Source

About This Program

Grant to help homeowners build or convert accessory dwelling units (ADUs). Designed to increase housing supply and provide income potential for homeowners. Grant does not need to be repaid if requirements are met.

Grant for ADU construction, subject to income and property requirements

The cited program-specific URL responded on 2026-09-17; confirm current terms.

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

Other published resources for San Bruno, 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 construction
Income at or below 80% AMI
Must maintain affordability for qualifying tenant
Currently suspended, check for reopening
Does not need to be repaid if requirements met

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 suspended; check for future funding

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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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