Permits

Understand the ADU permitting process from application to approval. Learn about building permits, plan check requirements, inspections, and how to navigate local building departments for your ADU project.

The ADU permit process involves submitting architectural plans, engineering documents, and permit applications to your local building department. Our permit guides explain timelines, fees, common plan check corrections, and inspection requirements. Learn about California state ADU laws like AB 68, SB 13, and AB 881 that streamline permitting and reduce barriers to ADU construction.