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Accessory dwelling unit (ADU)

Add accessory dwelling units (ADUs), in-law units, or cottages to residential properties.

How it works
Learn & decide
 
Check our rules and fees to decide if you want to add an ADU.
Prepare plans
 
See our requirements to design an ADU to meet our rules.
Apply
 
Submit your ADU application online.
Review
 
We will review your plans. Most ADU plans need changes.
Approve & start
 
You must have a job card to start construction.