ADU Rules: Ontario vs Victorville
How do adu rules rules compare between Ontario, CA and Victorville, CA?
Ontario and Victorville have similar restriction levels.
Ontario, CA
San Bernardino County
Ontario must allow ADUs and JADUs under California Gov Code 65852.2 and 65852.22 on all single-family and most multifamily lots. Approval is ministerial within 60 days, with no minimum lot size.
View full Ontario rules →Victorville, CA
San Bernardino County
Victorville must allow ADUs and JADUs under California Gov Code 65852.2 and 65852.22 on all single-family and most multifamily lots. Approval is ministerial within 60 days, with no minimum lot size.
View full Victorville rules →Key Facts Comparison
| Fact | Ontario | Victorville |
|---|---|---|
| State law | Gov Code 65852.2 and 65852.22 | Gov Code 65852.2 and 65852.22 |
| Size | Up to 850-1,000+ sq ft detached | Up to 850-1,000+ sq ft detached |
| Setbacks | 4 ft side and rear | 4 ft side and rear |
| Parking | Waived near transit, half mile | Waived near transit, half mile |
| Approval | Ministerial, 60 days | Ministerial, 60 days |
Highlighted rows indicate differences between cities.
Ontario FAQ
Can Ontario deny my ADU application?
Only if the project fails the objective state-law or local standards. Otherwise state law requires ministerial approval within 60 days of a complete application.
Do I have to live on site to build an ADU?
No. State law suspends owner-occupancy requirements for ADUs permitted through January 1, 2025, a window that has been extended further by subsequent legislation.
Victorville FAQ
Can Victorville deny my ADU application?
Only if the project fails objective state-law or local standards. Otherwise state law requires ministerial approval within 60 days of a complete application, including sites with Joshua tree mitigation.
Do I have to live on site to build an ADU in Victorville?
No. State law suspends owner-occupancy requirements for ADUs permitted through January 1, 2025, a window extended by subsequent legislation for most ADU configurations.
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