Height Limits: Brentwood vs El Cerrito
How do height limits rules compare between Brentwood, CA and El Cerrito, CA?
Brentwood and El Cerrito have similar restriction levels.
Brentwood, CA
Contra Costa County
Brentwood fences are limited to 3.5 feet in front yards and 6 feet in side and rear yards. Fences over 6 feet require a building permit and may need a zoning variance. Corner lots have additional visibility triangle restrictions to protect sight lines at intersections.
View full Brentwood rules →El Cerrito, CA
Contra Costa County
In unincorporated Contra Costa County, residential fences may be up to 6 feet tall in side and rear yards and typically 3 to 4 feet in front yard setbacks. Fences over 6 feet require a building permit. Corner-lot visibility triangles further restrict height.
View full El Cerrito rules →Key Facts Comparison
| Fact | Brentwood | El Cerrito |
|---|---|---|
| Front yard | 3.5 ft (42 in) max | - |
| Side/rear yard | 6 ft max | - |
| Over 6 ft | Building permit required | - |
| Visibility triangle | 3 ft max at corners | - |
| Max with permit | 8 ft | - |
| Side / Rear Max | - | 6 ft |
| Front Yard Max | - | 3–4 ft typical |
| Permit Threshold | - | Over 6 ft |
| Corner Visibility | - | ~30 in in sight triangle |
| Spite Fence Cap | - | Civil Code §841.4 — 10 ft |
Highlighted rows indicate differences between cities.
Brentwood FAQ
Do I need a permit for a 6-foot fence?
No permit is required for fences 6 feet or less in side/rear yards (and 3.5 feet in front yards), but you must still comply with setbacks and visibility-triangle rules. Fences over 6 feet need a building permit.
Can I build a taller fence for privacy?
Fences up to 8 feet may be permitted on interior side/rear property lines with a building permit. Taller walls typically require a zoning variance demonstrating hardship, which is a discretionary approval.
El Cerrito FAQ
Can I build an 8-foot privacy fence in Alamo?
Yes if you pull a building permit and meet structural standards. Fences over 6 feet are not allowed by right and may also be subject to design-review standards in some community planning areas.
How tall can my front yard fence be?
Typically 3 to 4 feet in the front yard setback, lower on corner lots within the visibility triangle. A solid 6-foot fence is generally not allowed in front of the house line.
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