ADU Permits: Oxnard vs Thousand Oaks
How do adu permits rules compare between Oxnard, CA and Thousand Oaks, CA?
Thousand Oaks has fewer restrictions than Oxnard.
Oxnard, CA
Ventura County
Oxnard processes accessory dwelling units ministerially under City Code Chapter 16 (Zoning Code), Sections 16-467 through 16-468 and related provisions. Review is by the Community Development Department, Planning and Environmental Services Division, with construction permits issued by the Building Division. State law (Cal. Gov. Code §65852.2) preempts most local barriers and requires the City to act within 60 days of a complete application.
View full Oxnard rules →Thousand Oaks, CA
Ventura County
Thousand Oaks issues Accessory Dwelling Unit (ADU) permits ministerially under Title 9 of the Thousand Oaks Municipal Code (TOMC), which implements California Government Code §65852.2. ADUs and Junior ADUs (JADUs) are allowed in any residential zone where a single-family or multifamily dwelling is permitted. The 60-day statutory review applies — no public hearing, no discretionary design review.
View full Thousand Oaks rules →Key Facts Comparison
| Fact | Oxnard | Thousand Oaks |
|---|---|---|
| Code Section | City Code Ch. 16 Sec. 16-467, 16-468 | - |
| Reviewing Body | Community Development - Planning & Environmental Services | - |
| Process | Ministerial - no hearing | - |
| Decision Window | 60 days (Cal. Gov. Code §65852.2(b)) | - |
| Detached Max Height | 16 ft (18-25 ft in statutory exceptions) | - |
| JADU Cap | 500 sf within existing walls | - |
| Code Reference | - | TOMC Title 9; Gov. Code §65852.2 |
| Review Type | - | Ministerial (no hearing) |
| Statutory Deadline | - | 60 days |
| Detached ADU Max | - | 1,200 sq ft |
| JADU Max | - | 500 sq ft |
| Permit Office | - | Community Development, 805-449-2100 |
Highlighted rows indicate differences between cities.
Oxnard FAQ
Who approves ADU applications in Oxnard?
The Community Development Department's Planning and Environmental Services Division handles zoning review under City Code Sec. 16-467; the Building Division issues construction permits. No public hearing is held — approval is ministerial under Cal. Gov. Code §65852.2.
How many ADUs can I build on my Oxnard lot?
One ADU per legally existing lot developed with one residential use, per City Code Sec. 16-467. A separate JADU (up to 500 sf within the existing walls of the primary dwelling) may also be permitted on single-family lots, consistent with Cal. Gov. Code §65852.22.
Thousand Oaks FAQ
How long does an ADU permit take in Thousand Oaks?
Thousand Oaks must approve or deny a complete ADU application within 60 days under TOMC Title 9 and Gov. Code §65852.2(a)(3). If the City misses the deadline, the permit is deemed approved by operation of state law.
Do I need a Planning Commission hearing for a Thousand Oaks ADU?
No. ADUs and JADUs are reviewed ministerially by Community Development staff — no public hearing, no Planning Commission, and no discretionary design review. Building plans must still meet the California Building Code, including WUI standards for properties in the High or Very-High Fire Hazard Severity Zone.
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