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What is an ADU?

An Accessory Dwelling Unit (ADU) is an attached or detached residential dwelling unit on the same lot as an existing single-family dwelling that is zoned for single-family or multi-family use. ADUs provide complete independent living facilities for one or more persons.

Building ADUs within the City of Stockton

Accessory Dwelling Unit (ADU) plans are available Free of Charge to commumity members looking to build an ADU. The City provides three different floor plans to choose from: Studio, 1 Bedroom, and 2 Bedrooms -- all with 1 Bath.

About an Accessory Dwelling Unit (ADU)

ADUs provide independent living quarters for one household on the same lot as the primary single-family dwelling. The ADU provides full facilities for sleeping, eating, cooking & sanitation. The ADU can be detached, attached, or a converted structure location within the living areas of the primary dwelling on the lot.

  • Detached - The ADU structure is detached from the primary dwelling unit.

  • Attached - The ADU structure is attached to the primary dwelling unit.

  • Converted - The ADU within the existing primary dwelling unit or the ADU was established through the conversion of an accessory structure such as a garage or pool house.

Benefits of an Accessory Dwelling Unit
  • Can provide a source of income for homeowners.

  • Allows homeowners the flexibility to create a home to share with family members and others.

  • Offers an opportunity for multi-generational living, allowing seniors to age in place as they require more care.

  • May provide affordable and additional housing opportunities within existing neighborhoods.

  • A cost-effective way to provide additional housing by potentially eliminating the cost of purchasing land, installing or building major new infrastructure, or creating new structured parking.

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