Marin County updates codes for accessory dwelling units

Mark Prado
Sausalito, Marin County.

In an effort to address a housing shortage in Marin, the county's Board of Supervisors voted unanimously this week to further relax rules pertaining to accessory dwelling units.

The supervisors adopted an urgency ordinance that modifies the county’s ADU standards and application review procedures to align with state law.

ADUs will now be permitted in multi-family and mixed-use zoning districts either through conversion of non-livable spaces or through construction of detached units. 

ADUs and junior accessory dwelling units are considered one option to alleviate the crisis and provide more homes for people without greatly expanding existing building footprints, Marin officials said.

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