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Accessory Dwelling Units (ADUs)

To help San Diego homeowners understand the process related to ADU construction, the San Diego Housing Commission (SDHC) built ADUs in the available yard space at five single-family homes SDHC owns and rents as affordable housing in the City of San Diego.

Through this process, SDHC documented “lessons learned” with regard to site feasibility, design, construction, cost, timeline, oversight needed, and other development-related aspects that may arise with the development of ADUs.

Lessons Learned and Key Takeaways for Homeowners

Additional Information and Resources

Source of New Housing

ADUs are one of the top five main sources of potential additional housing units for the City of San Diego through 2028, according to SDHC’s report, Addressing the Housing Affordability Crisis: San Diego Housing Production Objectives 2018-2028.

The report estimated ADUs could produce 2,700-5,500 units over 10 years.


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