Grading & Drainage: Compton vs Long Beach
How do grading & drainage rules compare between Compton, CA and Long Beach, CA?
Compton and Long Beach have similar restriction levels.
Compton, CA
Los Angeles County
Grading in Compton requires a permit unless exempt under construction code provisions. Drainage must comply with LA County Flood Control District requirements. Retaining walls over 4 ft require a building permit. Fill at property limits requires retaining wall construction.
View full Compton rules →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 →Key Facts Comparison
| Fact | Compton | Long Beach |
|---|---|---|
| Grading Permit | Required for most earthwork | - |
| Retaining Wall | Permit needed if over 4 ft | - |
| Drainage | LA County Flood Control standards | - |
| Fill Retention | Retaining walls at property limits | - |
| Min Drain Size | - | 24 inches |
| Design Storm | - | 10-year peak flow |
| Grading Plans | - | Must address drainage quality |
| Review | - | Public Works Department |
Highlighted rows indicate differences between cities.
Compton 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 Compton code enforcement. Redirecting drainage onto neighboring properties violates most municipal codes. The neighbor may be required to restore proper drainage.
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.
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