Grading & Drainage: Long Beach vs Torrance
How do grading & drainage rules compare between Long Beach, CA and Torrance, CA?
Long Beach and Torrance 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 →Torrance, CA
Los Angeles County
Grading permits are required for significant earthwork. Drainage must be directed to approved outlets and not onto neighboring properties.
View full Torrance rules →Key Facts Comparison
| Fact | Long Beach | Torrance |
|---|---|---|
| Min Drain Size | 24 inches | - |
| Design Storm | 10-year peak flow | - |
| Grading Plans | Must address drainage quality | - |
| Review | Public Works Department | - |
| Permit | - | Required for grading work |
| Drainage | - | Must go to approved outlets |
| Neighbor Impact | - | Cannot direct onto adjacent property |
| Code | - | TMC Division 8, Building Code |
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.
Torrance 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 Torrance code enforcement. Redirecting drainage onto neighboring properties violates most municipal codes. The neighbor may be required to restore proper drainage.
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