Simi Valley
Simi Valley is the third largest of Ventura County's ten cities with an estimated population of 126,380. Approximately 42 square miles in area, the City is in Southeast Ventura County, adjacent to the San Fernando Valley and 37 miles northwest of downtown Los Angeles.
Simi Valley ADU Permits and Regulations Resources
Learn about ADU regulations in the city of Simi Valley
Learn about ADU regulations in Simi Valley
the average rent for a 2-bedroom apartment in Simi Valley, CA is $2,697. This is a 8% increase compared to the previous year.
Building permit information for Simi Valley
City Planner
(805) 583-6769
When it comes to financing your ADU, our friends at Loan Depot may be able to help, reach out to one of our home specialists for an introduction!
Regulations
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
Front Setback
45’ Note: Front setbacks vary by zoning, please talk to a home specialist to confirm
Primary Residence Setback
10’
Side and Rear Setback
4’