ADU permit guide for Los Angeles, California
Los Angeles County, California
Los Angeles Department of Building and Safety (LADBS) reviews local ADU permits through ePlanLA. Use this page to plan the local process and the fee questions to verify before you submit.
Prepared by GetYourPermit editorial teamReport an error
Estimated permit fees by size
9 fee lines · low to high
| ADU size | Estimated fees |
|---|---|
| 400 sq ft | $4,300 – $39,750 |
| 500 sq ft | $4,300 – $39,750 |
| 749 sq ft | $4,300 – $39,750 |
| 750 sq ftimpact-fee threshold | $4,300 – $39,750 |
| 751 sq ft | $4,300 – $39,750 |
| 1,000 sq ft | $4,300 – $39,750 |
| 1,200 sq ft | $4,300 – $39,750 |
Getting the permit
- Department
- Los Angeles Department of Building and Safety (LADBS)
- Where to apply
- ePlanLA
- Typical timeline
- Standard Plan Program ADUs: roughly 21-30 days to permit issuance. Custom-plan ADUs: plan check commonly several weeks to a few months; state law requires the city to act within 60 days of a complete application.
Read before you budget
- Most fee lines are working estimates rather than verified published city rates. Confirm every line with the city before budgeting.
- Totals do not vary by ADU size for this city, so the size selector will not change the estimate.