ADU Rules: Camarillo vs Oxnard
How do adu rules rules compare between Camarillo, CA and Oxnard, CA?
Camarillo has fewer restrictions than Oxnard.
Camarillo, CA
Ventura County
Camarillo permits accessory dwelling units (ADUs) and junior ADUs (JADUs) on residential lots per California Government Code Sections 65852.2 and 65852.22, as implemented through CMC Title 19 zoning standards. ADUs up to 800 sq ft are approved ministerially. Larger ADUs up to 1,200 sq ft are allowed with additional standards.
View full Camarillo rules →Oxnard, CA
Ventura County
Oxnard permits ADUs in all residential and mixed-use zones following California ADU law. Detached ADUs may be up to 1,200 sq ft. Attached ADUs are limited to 50% of the primary dwelling or 1,200 sq ft, whichever is less.
View full Oxnard rules →Key Facts Comparison
| Fact | Camarillo | Oxnard |
|---|---|---|
| Max Size | 800-1,200 sq ft depending on bedrooms | - |
| Setbacks | 4 feet rear and side | - |
| JADU | Up to 500 sq ft within existing home | Up to 500 sq ft within existing home |
| Parking | None required near transit | Not required near transit |
| HOA Restrictions | Limited by CC 4751 | - |
| Detached Max Size | - | 1,200 sq ft |
| Height Limit | - | 16 ft general, up to 25 ft near transit |
| Processing | - | Ministerial approval within 60 days |
Highlighted rows indicate differences between cities.
Camarillo FAQ
Can I build an ADU on my Camarillo property?
Yes. California law requires cities to allow ADUs on residential lots. ADUs up to 800 sq ft are approved ministerially with a 4-foot setback. Building permits are required under CMC Title 16. Contact Community Development at (805) 388-5360 to start the process.
Can my Camarillo HOA block my ADU?
No. California Civil Code Section 4751 prohibits HOAs from effectively prohibiting or unreasonably restricting ADUs that comply with state law. Your HOA may have reasonable aesthetic standards but cannot deny an otherwise compliant ADU.
Do I need to live on the property to have an ADU?
No. California law eliminated the owner-occupancy requirement for ADUs. You may rent both the primary dwelling and the ADU. However, a JADU does require owner-occupancy of either the JADU or the primary residence.
Oxnard FAQ
Can I build an ADU in Oxnard?
Yes. ADUs are permitted in all residential and mixed-use zones. Detached units can be up to 1,200 sq ft with a 16-foot height limit. No additional parking is needed if you are within half a mile of transit.
Can I sell my ADU separately in Oxnard?
No. Under California law, ADUs generally cannot be sold separately from the primary residence, though they may be rented.
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