Step 4: Permitting and approvals
Encinitas provides ADU resources here:
https://www.encinitasca.gov/government/departments/development-services/policy-planning-housing/policy-planning/accessory-dwelling-units
And building permit/inspection information here:
https://www.encinitasca.gov/government/departments/development-services/land-development-building/building
If your property is within a coastal zone, coastal development permitting may be part of the conversation. This Coastal Commission page explains the permit process at a high level:
https://www.coastal.ca.gov/cdp/cdp-forms.html
(Important note: requirements vary by property and scope. Your design-build team should help you confirm what applies to your specific site.)