ADU Code by Town – Marin County

Municipalities throughout California are updating their accessory dwelling unit code to comply with new state regulations that went into effect in January of 2017. In most cases, these changes will make it easier and more affordable to create an ADU.    

Where code has been updated in Marin County. Click for details of the updated ADU code. (more links coming soon)  

Belvedere          Corte Madera          Fairfax          Mill Valley          Ross          San Anselmo          Tiburon          Unincorporated Marin County


Where code has not yet been updated in Marin County.

In these jurisdictions, until local code is updated, ADU applications must be evaluated against  state code (which in most cases is more liberal than the current local code).

Larkspur          Novato (to City Council on Dec. 5)          San Rafael         Sausalito (to City Council on Dec. 12)