Drought is Here - A mandatory 20% reduction in water use is currently in effect for City of Sonoma Water Customers.

Where are Accessory Dwelling Units allowed?

The following applies to Accessory Dwelling Units, Junior Accessory Dwelling Units, and Efficiency Dwelling Units:

  • Accessory dwelling units are allowed in the R-HS, R-R, R-L, R-S, R-M, R-H, R-O, and R-P zones.
  • An accessory dwelling unit shall not be located on any parcel already containing a dwelling unit that is non-confirming with respect to land use or density, or developed with a duplex, triplex, apartment, planned development, or condominium. No more than one accessory dwelling unit shall be located on a parcel.
  • An accessory dwelling unit may be within, attached to, or detached from the primary dwelling unit. A detached accessory dwelling unit may take the form of a manufactured home on a permanent foundation. If detached, the accessory dwelling unit shall be separated from the main dwelling unit a minimum of 10 feet.

See theĀ Accessory Dwelling Unit Requirements.

For additional information or to discuss a particular location, contact the Planning Department.


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