HCD is the state’s leader on local ADU ordinances. The 2020 California Department of Housing and Community Development ADU Handbook provides an understanding of all new changes to regulations in 2020​.

San Diego: To find out how your city is ‘tiny-friendly’ towards ‘Permanent Tiny Homes’ (a.k.a ADU’s, Granny Flats,etc.), search or click on the icons in the map of San Diego below. Also, click on the ‘tiny-URL’ link to view each municipality’s specific ordinance.​