ADU Owner Occupancy: Carson vs Castaic
How do adu owner occupancy rules compare between Carson, CA and Castaic, CA?
Carson, CA
Los Angeles County
Carson cannot require owner-occupancy for ADUs permitted between Jan 1, 2020 and Dec 31, 2024, per Gov. Code §65852.2(a)(7). For ADUs permitted on/after Jan 1, 2025, cities may again require owner-occupancy. JADUs always require owner-occupancy of either the primary dwelling or the JADU (Gov. Code §65852.22(a)(2)).
View full Carson rules →Castaic, CA
Los Angeles County
No data available yet for Castaic.
Key Facts Comparison
| Fact | Carson | Castaic |
|---|---|---|
| ADUs 2020-2024 | Owner-occupancy CANNOT be required | - |
| ADUs from 2025 | Owner-occupancy MAY be required (city option) | - |
| JADUs | Owner-occupancy ALWAYS required (SFD or JADU) | - |
| Deed restriction | Required for JADUs per Gov. Code §65852.22(a)(5) | - |
Highlighted rows indicate differences between cities.
Carson FAQ
Do I have to live in my Carson home to rent the ADU?
For ADUs permitted 2020-2024: no. For ADUs permitted from 2025: only if Carson reinstates the requirement. For a JADU: yes, always.
What is a JADU vs. an ADU?
A JADU (junior ADU) is up to 500 sq ft and built within the existing single-family dwelling. It always requires owner-occupancy of the main house or JADU.
Does Carson record a deed restriction on my ADU?
Yes for JADUs (required by Gov. Code §65852.22(a)(5)). For standard ADUs, only if owner-occupancy applies post-2025.
Castaic FAQ
No FAQs available.
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