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Development Services

Accessory and Junior Accessory Dwelling Units

 

Accessory and Junior Accessory Dwelling Units (ADU/JADU)

ADU’s are detached or attached accessory structures on a residential lot that provide independent living. ADU’s can be integrated into existing single-family or multi-family properties and can be designed in a variety of ways, including converting a portion of an existing house, adding to the existing house, converting an existing garage or constructing a new detached structure. 

 

 

 

 

 

 

The construction of ADUs and JADUs is one of many City strategies for increasing housing affordability and supply citywide. The City has adopted the following regulations to make it relatively easy and less expensive to build ADUs and JADUs:

  • 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
  • Expedited permit processing for ADUs up to 800 square feet in size, less than 16 feet tall and at least 4 feet from a side and rear yard property line
  • ADUs up to 1,000 square feet with 2 bedrooms permitted with additional review.
  • Encroachments permitted into side and rear yard setback areas
  • No covered parking required for ADUs. No replacement covered parking required for conversions of garages to ADUs
  • The waiving of Developer Impact Fees for ADU’s less than 750 square feet in habitable floor area. If an ADU is over 750 square feet the impact fee would be:

 

 

ADU Review Process:

The City has two review processes that apply to proposed ADU’s and JADU’s: Building Permit Review and Zoning Compliance Review. To find out which review process your proposed ADU or JADU falls under, please see below.

Building Permit Review:

If your proposed ADU/JADU meets all the requirements listed in the table below, you qualify for a Building Permit Review, which is a simplified over-the-counter review process.

 *Note: No ADU, or grading related to construction of an ADU, shall be permitted within two hundred feet (horizontal) of a General Plan designated ridgeline, or as designated on a final City subdivision.

 

 

 

 

 

 

 

 

 

Zoning Compliance Review:

If your proposed ADU/JADU does not qualify for a Building Permit Review, it is subject to a Zoning Compliance Review. ADU’s subject to a Zoning Compliance Review have more restrictive development standards.  These more restrictive standards are summarized in the table below and can be found in Section 9-3.501.1 of the City’s Municipal Code. Link to section of the code for ADU’s http://www.qcode.us/codes/sanjuancapistrano/view.php?topic=9-3-5-9_3_501_1&highlightWords=adu

*Note: No ADU, or grading related to construction of an ADU, shall be permitted within two hundred feet (horizontal) of a General Plan designated ridgeline, or as designated on a final City subdivision.

 

 

 

 

 

 

 

 

 

Step by Step ADU/JADU Application Submittal Process:

  1. Submit conceptual plans to Planning@sanjuancapistrano.org for the assigned Planner to provide a free preliminary plan check review to determine submittal process, if additional materials are needed and ensure required development standards are being met. The applicant will receive an email from the assigned Planner providing instructions for the next step.

Building Permit Submittal Process:

See Building department webpage: https://sanjuancapistrano.org/buildingsubmittal

Zoning Compliance Review Submittal Process:

  1. Schedule an appointment with Planning to formally submit: https://app.acuityscheduling.com/schedule.php?owner=19623449
  2. Planning will take in the plans to be reviewed, could take up to 2 weeks.

Once Zoning Compliance Review is approved by the Planning Division, you may submit your permit request to the Building Division.  Plans submitted to the Building Division will undergo plan check review for conformance to the City’s adopted Building Code. Once the City’s Building Division determines that a building permit is ready to be issued, you will be asked to make an appointment with the Building Division to pull your permit.

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