Permit Requirements: Altadena vs Pomona
How do permit requirements rules compare between Altadena, CA and Pomona, CA?
Altadena and Pomona have similar restriction levels.
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 →Pomona, CA
Los Angeles County
Fence construction in Pomona requires submission of site plans, section drawings, and elevations to the Planning Division for approval. Plans must be consistent with the grading plan.
View full Pomona rules →Key Facts Comparison
| Fact | Altadena | Pomona |
|---|---|---|
| Under 6 ft | No building permit needed | - |
| Over 6 ft | Permit required | - |
| Front Yard | May need DRP approval | - |
| Corner Lot | Special visibility requirements | - |
| Plan Review | - | Planning Division approval required |
| Submittals | - | Site plan, sections, elevations |
| Grading | - | Must be consistent with grading plan |
| Contact | - | Planning Dept 909-620-2191 |
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.
Pomona FAQ
Do I need a permit to build a fence in Pomona?
Fence construction in Pomona requires submission of site plans, section drawings, and elevations to the Planning Division for approval. Plans must be consistent with the grading plan.
How much does a fence permit cost in Pomona?
Plan Review: Planning Division approval required. Submittals: Site plan, sections, elevations. Grading: Must be consistent with grading plan. Contact: Planning Dept 909-620-2191.
Compare other topics
See how Altadena and Pomona compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool