Hidden HillsThe City of Hidden Hills is nestled between the western foothills of the San Fernando Valley in Los Angeles County and the Ventura County line, California. The City’s beautiful and peaceful ambience make it a treasured rural component of Los Angeles County and is one example of small-town Southern California living at its finest.
Hidden Hills ADU Permits and Regulations Resources
Max ADU Size
Lot under 9,000 sqft: 600 sqft Lot between 9,000 and 1000 sqft: 650 sqft Lot over 10,000 sqft: 800 sqft
45’ Note: Front setbacks vary by zoning, please talk to a home specialist to confirm
Primary Residence Setback
Side and Rear Setback