Detached ADU in California

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The Avalon Comany

The Avalon Comany

3911 N Cordoba Ave Suite 6, Spring Valley, CA 91977

Homeowners across the San Diego area looking to expand their living space or create a rental opportunity turn to the trusted San Diego Builders at The Avalon Company. With more than three decades of experience, they specialize in designing and constructing high end accessory dwelling units that blend seamlessly with your existing property while increasing functionality and property value.

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Aldridge Construction

Aldridge Construction

Monterey, CA 93901

Aldridge Construction builds ADUs in Salinas, CA—detached, attached, garage conversions & interior units. Projects cost $150K–$300K, take 4–8 months, and include full permitting support. Free consultations available.

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Other cities in California


What you need to know

Searching for top Detached ADU ADU Contractors in California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).

Working with a qualified Detached ADU ADU Contractor in California ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Detached ADU professionals can guide you through every step.

California homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Detached ADU experts featured here bring local expertise and proven experience to help make your project a success.

Browse our listings to find the best Detached ADU ADU Contractors in California, and get started today.