Height Limits: Petaluma vs Sonoma
How do height limits rules compare between Petaluma, CA and Sonoma, CA?
Petaluma and Sonoma have similar restriction levels.
Petaluma, CA
Sonoma County
Petaluma IZO §13.020 and Table 13.1 set fence height by zoning district setback. Generally 6 feet in interior side and rear yards and 3 feet in front-yard setbacks for residential R-1 through R-5 districts.
View full Petaluma rules →Sonoma, CA
Sonoma County
Per SMC 19.46.030, fences in front and street-side setbacks are limited to 3.5 feet; rear and interior side yards generally allow up to 7 feet (8 feet with the top foot at least 40% open). Corner-lot sight triangles cap fences at 30 inches.
View full Sonoma rules →Key Facts Comparison
| Fact | Petaluma | Sonoma |
|---|---|---|
| Interior Yards | 6 ft max | - |
| Front Yards | 3 ft max | - |
| Slope Combo Max | 10 ft total (wall + fence) | - |
| Front/street-side max | - | 3.5 feet (42 inches) |
| Side/rear yard max | - | 7 feet (8 feet if top 1 ft is 40%+ open) |
| Corner sight triangle max | - | 30 inches |
| Code citation | - | SMC 19.46.030 |
| Modification | - | Use permit from Planning Commission |
Highlighted rows indicate differences between cities.
Petaluma FAQ
Do I need a permit for a 6-foot fence?
Most residential 6-foot fences in interior yards do not require a building permit but must meet zoning.
Sonoma FAQ
Can I build a 6-foot fence in my front yard?
No. SMC 19.46.030 limits fences in the required front setback to 3.5 feet. A 6-foot fence is only permitted once you are out of the front setback (typically the side and rear yards).
How do I get an 8-foot fence?
An 8-foot fence is allowed by right in side/rear yards only if the top foot is open grill or lattice that lets light and air through at least 40% of the material. Otherwise, you need a use permit from the Planning Commission to exceed 7 feet of solid fence.
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