Structure Height Limits: Camarillo vs Simi Valley
How do structure height limits rules compare between Camarillo, CA and Simi Valley, CA?
Camarillo and Simi Valley have similar restriction levels.
Camarillo, CA
Ventura County
Standard R-1 single-family parcels in Camarillo are limited to about 30 feet in building height under CMC Chapter 19.14, though specific planned-development overlays (CMC Chapter 19.35) can adjust this. Detached ADUs are capped at 16 feet, or 18 feet if within ½ mile of a transit stop.
View full Camarillo rules →Simi Valley, CA
Ventura County
Building height limits in unincorporated Ventura County are set by zoning district under §8106-1. Height is measured per §8106-1.3. Accessory structures are limited to heights specified in §8106-7.4. Exceptions exist for roof structures, antennas, and wireless facilities.
View full Simi Valley rules →Key Facts Comparison
| Fact | Camarillo | Simi Valley |
|---|---|---|
| R-1 Max Height | ~30 ft (CMC 19.14) | - |
| Detached ADU | 16 ft | - |
| ADU near transit | 18 ft + 2 ft roof pitch | - |
| Attached/Internal/Junior ADU | Up to 25 ft or primary height | - |
| Measurement (Flat) | - | §8106-1.3.1 |
| Measurement (Slope) | - | §8106-1.3.2 |
| Exceptions | - | §8106-7 (roof, antennas, etc.) |
| Variance | - | Planning Commission |
| Code Section | - | §8106-1.3, §8106-7 |
Highlighted rows indicate differences between cities.
Camarillo FAQ
How tall can I build a detached ADU in Camarillo?
16 feet standard, or 18 feet (plus 2 feet for roof pitch) if your lot is within ½ mile of a major transit stop such as the Camarillo Metrolink station — per state-law height limits adopted in CMC Chapter 19.56.
Simi Valley FAQ
How tall can I build in Ventura County?
Height limits vary by zone under §8106-1. Check your zone's specific limit with Planning at (805) 654-2488 or on the county GIS portal.
How is height measured?
On flat grades per §8106-1.3.1; on slopes per §8106-1.3.2. Generally from grade to the highest point of the roof.
Can I get a height exception?
Exceptions exist for roof structures, antennas, and other elements under §8106-7. A variance from the Planning Commission is needed for other exceptions.
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