Structure Height Limits: Thousand Oaks vs Ventura
How do structure height limits rules compare between Thousand Oaks, CA and Ventura, CA?
Thousand Oaks and Ventura have similar restriction levels.
Thousand Oaks, CA
Ventura County
Residential structures in Thousand Oaks are generally limited to 28-35 feet in height depending on the zoning district under TOMC Chapter 9. Hillside areas may have reduced height limits. Exceptions exist for chimneys, antennas, and rooftop equipment.
View full Thousand Oaks rules →Ventura, 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 Ventura rules →Key Facts Comparison
| Fact | Thousand Oaks | Ventura |
|---|---|---|
| Residential Height | 28-35 ft depending on zone | - |
| Hillside | May be reduced from natural grade | - |
| Chimneys | Up to 3 ft above roof typically exempt | - |
| Code | TOMC Chapter 9 | - |
| 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.
Thousand Oaks FAQ
How tall can I build in Thousand Oaks?
Single-family residential zones generally allow 28-35 feet. Hillside areas may have lower limits. Check your specific zoning district with Community Development at (805) 449-2100.
How is building height measured?
Height is typically measured from finished grade to the highest point of the roof. In hillside overlay zones, measurement may be from natural grade to prevent excessive visual impact.
Can I exceed the height limit for a chimney?
Yes, chimneys, ventilation stacks, and similar features are typically allowed to extend up to 3 feet above the maximum roof height.
Ventura 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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