ADU / Casita Drafting Requirements
Square Footage
Most ADUs range from 400–1,200 sq. ft.; plans must fit local size limits and efficient room layout.
Setbacks
Follow required distances from property lines; accurate site measurements ensure zoning approval.Setbacks
Access & Entry
Include a private entrance with clear pathways and safe emergency access.
Utilities
Show connections for water, sewer, electrical, HVAC, and locations for equipment and service lines.
Parking
Indicate required on-site parking or note exemptions based on local regulations.
Permitting
Provide complete permit-ready plans with floor plans, elevations, sections, and site layout per city codes