ADU permit guide for Sacramento, California
Sacramento County, CaliforniaReviewed August 28, 2026
Building Division reviews local ADU permits through the City Online Portal System. Use this page to plan the local process and the fee questions to verify before you submit.
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Permit fee planning by size
GetYourPermit research · 4 published reference lines
| ADU size | Researched range |
|---|---|
| 600 sq ft | $3,400 – $10,000 |
| 800 sq ftimpact-fee band | $5,150 – $16,000 |
| 1,000 sq ft | $6,400 – $19,150 |
| 1,200 sq ft | $7,650 – $22,400 |
Getting the permit
- Department
- Building Division
- Where to apply
- City Online Portal System
Reference pages to verify
- Building Fees
- Residential New Building - Fees By Project
- Fees and Charges Application - Building Permit Fee (Fee ID 28)
- Fees and Charges Application - Plan Review Fee (Fee ID 3123)
- Fees and Charges ArcGIS records - Fee IDs 28 and 3123
- Building Permit Fee Tables A and B.1 - live Fee ID 28 attachment
- Plan Review Fee Table B - live Fee ID 3123 attachment
- Building Permit Fee Estimates