
Simi Valley ADU Permit Process 2026: Timeline, Fees, and What to Expect
Simi Valley ADU permit timeline: 4-6 weeks plan check, fees $2,500-$8,000+, SVUSD school fee $4.14/sq ft. Step-by-step guide covering design, submission, plan check, inspections, and Certificate of Occupancy. Neighborhood notes for Wood Ranch, Big Sky, and East Simi Valley. 2026 law updates (SB 543, AB 462) and 7-question FAQ.
Read Full Guide





























































































































