ADU Permit Builder
Modesto, California
VerifiedLast verified: Feb 15, 20262 verified sources
Step 1 of 6
Project Basics
Your permit packet will include:
- Required forms: Building Permit Application, and more
- Pre-filled templates: Permit Cover Sheet
- Fee breakdown: $900–$4,800 estimated total
- Step-by-step Modesto Community and Economic Development Department portal submission guide