Jumpstarting the Market for Accessory Dwelling Units: Lessons Learned from Portland, Seattle, and Vancouver

April 2018

By: Farzad Mashhood, Jake Wegmann, Karen Chapple, ULI San Francisco

http://ternercenter.berkeley.edu/uploads/ADU_report_4.18.pdf
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Accessory Dwelling Units  |  Housing Supply Planning

This report presents the results of a survey of accessory dwelling unit (ADU) property owners in Portland, Oregon; Seattle, Washington; and Vancouver, British Columbia. Individual sections discuss common barriers to ADUs; stories of success: Portland, Seattle, and Vancouver; the role of ADU reform; survey methodology; ADUs in the survey; challenges and opportunities; and conclusions and policy implications.