Permit Requirements: Altadena vs Glendale
How do permit requirements rules compare between Altadena, CA and Glendale, CA?
Glendale has fewer restrictions than Altadena.
Altadena, CA
Los Angeles County
Fences under 6 ft do not require a building permit in unincorporated LA County. Fences over 6 ft require permits from Building & Safety. Department of Regional Planning approval may be needed depending on fence location (front yard, corner lot). Block walls over 6 ft always require permits.
View full Altadena rules →Glendale, CA
Los Angeles County
Glendale generally does not require a building permit for standard residential fences up to 6 feet. Fences over 6 feet, retaining walls over 3 feet, and masonry walls require permits. All fences must comply with zoning setbacks.
View full Glendale rules →Key Facts Comparison
| Fact | Altadena | Glendale |
|---|---|---|
| Under 6 ft | No building permit needed | - |
| Over 6 ft | Permit required | - |
| Front Yard | May need DRP approval | - |
| Corner Lot | Special visibility requirements | - |
| Permit Exempt | - | Standard fences up to 6 feet |
| Permit Required | - | Over 6 feet, masonry, retaining walls over 3 feet |
| Pool Fences | - | Must meet safety barrier standards |
| Historic Areas | - | May need design review |
Highlighted rows indicate differences between cities.
Altadena FAQ
Do I need a permit for a fence in LA County?
No permit is needed for fences under 6 feet. Fences over 6 feet require a building permit from LA County Building & Safety. Front yard fences are limited to 42 inches in most residential zones.
How tall can my front yard fence be?
42 inches (3.5 feet) in most residential zones under Title 22. This ensures visibility for vehicles and pedestrians. Taller fences may be allowed on corner lots with specific setback compliance.
What about retaining walls?
Retaining walls over 4 feet from footing to top require a building permit and engineered plans. Multiple tiered walls designed to circumvent this limit are treated as a single wall for permit purposes.
Glendale FAQ
Do I need a permit to build a fence in Glendale?
Not for standard fences up to 6 feet. Permits are required for taller fences, masonry walls, and retaining walls over 3 feet.
What about fences in historic districts?
Properties in historic districts may need design review approval for fences to ensure compatibility with the neighborhood character.
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