Customers with appointments can enter the Development Services Center at the City Operations Building using the third-floor bridge connected to the Evan V. Jones Parkade Terrace Level.


San Diego

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Accessory and Junior Accessory Dwelling Units (ADU/JADU)

  Have questions about building an ADU on your property? Schedule a free virtual Planning and Zoning appointmentNew PDF icon Info Bulletin!! View the updated regulations outside of the Coastal Overlay Zone

ADUs are detached or attached accessory structures on a residential lot that provide independent living areas. ADUs are intended as permanent housing solutions and shall not be used for rental terms less than 31 consecutive days.

ADUs can be integrated into existing single-family or multi-family properties. They can be designed in various ways, including converting a portion of an existing house, adding to the existing house, converting an existing garage or constructing a new detached structure. Learn more about PDF icon ADUs and JADUs



ADUs and JADUs are an integral part of the City's Housing SD initiatives to increase housing affordability and supply citywide. The City has amended regulations that make it easier and less expensive to build ADUs and JADUs, providing affordable and below-market housing throughout the City.

Some of these changes include:

  • Digital plan review, expedited processing and construction inspection times.
  • A property with a Single Dwelling Unit may have both an ADU and a JADU.
  • A property with Multiple Dwelling Units may have two detached ADUs and may convert habitable and non-habitable spaces to ADUs.
  • The maximum size is 1,200 square feet, attached or detached.
  • Encroachments into the side and rear yards.
  • No parking required: Replacement parking is not required for conversions of garages.
  • Bonus ADU Program for Affordable ADUs.
  • Rental terms are for a minimum of 31 days.
  • Waiving Development Impact Fees, Facility Benefit Assessment Fees and General Plan Maintenance Fees.

Municipal Code

Fee Schedule


Publications and Resources

*Contact each jurisdiction for the latest version of their plans.