Grading & Drainage: Long Beach vs West Covina
How do grading & drainage rules compare between Long Beach, CA and West Covina, CA?
Long Beach and West Covina have similar restriction levels.
Long Beach, CA
Los Angeles County
Long Beach requires grading plans to incorporate drainage quality controls. Minimum storm drain size is 24 inches. The city uses a 10-year storm peak flow threshold for drainage facility requirements.
View full Long Beach rules →West Covina, CA
Los Angeles County
West Covina requires grading permits for earthwork. Drainage plans must prevent impacts on adjacent properties. Hillside development has additional grading and drainage requirements.
View full West Covina rules →Key Facts Comparison
| Fact | Long Beach | West Covina |
|---|---|---|
| Min Drain Size | 24 inches | - |
| Design Storm | 10-year peak flow | - |
| Grading Plans | Must address drainage quality | - |
| Review | Public Works Department | - |
| Permit | - | Grading permit required |
| Drainage | - | Must not impact adjacent properties |
| Hillside | - | Additional requirements apply |
| Code | - | Ch. 7 Building and Building Regulations |
Highlighted rows indicate differences between cities.
Long Beach FAQ
Do I need a grading permit?
Generally required for earth-moving over 50 to 100 cubic yards or changes to existing drainage patterns. Small landscaping projects are usually exempt.
My neighbor changed their grading and water flows onto my property. What can I do?
Contact Long Beach code enforcement. Redirecting drainage onto neighboring properties violates most municipal codes. The neighbor may be required to restore proper drainage.
West Covina FAQ
Do I need a grading permit?
Generally required for earth-moving over 50 to 100 cubic yards or changes to existing drainage patterns. Small landscaping projects are usually exempt.
My neighbor changed their grading and water flows onto my property. What can I do?
Contact West Covina code enforcement. Redirecting drainage onto neighboring properties violates most municipal codes. The neighbor may be required to restore proper drainage.
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