Companion Units, also referred to as accessory dwelling units, casitas, cottages or granny flats, are detached or attached accessory structures on a residential lot that:
A Junior Unit is an accessory structure that is contained entirely within an existing, habitable single dwelling unit.
Both Companion and Junior Units 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. These are intended as housing, and shall not be used for a rental term of less than 30 consecutive days. Learn more about Companion and Junior Units.
Companion and Junior Units are an integral part of the City's Housing SD initiatives that will help increase housing affordability and supply citywide. The City has amended regulations that make it easier and less expensive to build Companion and Junior Units, helping to provide affordable and below-market housing throughout the City. These amendments include:
Allowing the use of permit-ready, no-cost building plans from the County of San Diego and the City of Encinitas Permit-Ready Accessory Dwelling Unit (PRADU) program. The plans still must meet the City of San Diego submittal guidelines for a building permit.
Here is a summary of the Companion Unit applications received, construction permits issued and the number of Companion Units completed by year.
*The data provided is current as of March 31, 2020.