Want to Add an Accessory Dwelling Unit?

ADUs have gone by many names: Granny Flats, In-Law Units, Backyard cottages, secondary units and more. ADUs are an innovative, affordable, effective option for adding much-needed housing in California.

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ADU Benefits?

  • ADUs are an affordable type of home to construct in California because they do not require paying for land, major new infrastructure, structured parking, or elevators.
  • ADUs can provide a source of income for homeowners.
  • ADUs are built with cost-effective wood frame construction, which is significantly less costly than homes in new multifamily infill buildings.
  • ADUs can provide as much living space as many newly-built apartments and condominiums, and they’re suited well for couples, small families, friends, young people, and seniors.
  • ADUs give homeowners the flexibility to share independent living areas with family members and others, allowing seniors to age in place as they require more care.
Meet With An Expert.

Why Choose FDH to Develop Your ADU?

We can handle the entire process. Our experts can guide you through the process from beginning to end. Starting with exploring a wide variety of floorplans under 1200 sqft to finalizing the last inspections. We can transform a modest amount of extra space on your lot into an income generating Additional Dwelling Unit.

Because our homes are factory built, our costs are more competitive than traditional site homes. Our prices retail 40% lower than a traditional homes due to tremendous savings on construction and labor costs.

$40,000 Grant is Available Assist Homeowners.

The California Housing Finance Agency ADU Grant provides up to $40,000 to reimburse pre-development and non-reoccurring closing costs associated with the construction of the ADU. Pre-development costs include site prep, architectural designs, permits, soil tests, impact fees, property survey, and energy reports.

How to apply

Since CalHFA is not a direct lender, our mortgage products are offered through private loan officers who have been approved and trained by our Agency. These loan officers can help you find out more about CalHFA’s programs and guide you through the ADU loan and grant processes.

Download the Grant Process PDF

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New ADU Laws.

The Legislature further updated ADU and JADU law effective January 1, 2021 to clarify and improve various provisions in order to promote the development of ADUs and junior accessory dwelling units (JADUs). These include allowing ADUs and JADUs to be built concurrently with a single-family dwelling, opening areas where ADUs can be created to include all zoning districts that allow single-family and multifamily uses, modifying fees from utilities such as special districts and water corporations, limited exemptions or reductions in impact fees, and reduced parking requirements. Please see the Accessory Dwelling Unit Handbook (PDF) for more information.

Information for cities, counties, other local government bodies, utilities, other interested parties, and homeowners interested in adding an ADU or JADU to their property.

Download the ADU Handbook

Start Exploring ADU Compliant Floorplans.

  • Dimensions 66 × 14 ft
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  • Dimensions 29 × 14 ft
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  • Dimensions 29 × 14 ft
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  • Dimensions 60 × 15 ft
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  • Dimensions 60 × 14 ft
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  • Dimensions 56 × 15 ft
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