San Jose Permitting Note: San Jose allows up to three ADUs on a single-family lot and waives school and parkland impact fees for any unit under 750 square feet.
The San José PBCE manages all residential permitting through the SJPermits portal. Most projects now follow the 2025 California Residential Code as of January 2026.
San Jose Permitting Note: San Jose allows up to three ADUs on a single-family lot and waives school and parkland impact fees for any unit under 750 square feet.