Grading & Drainage: Los Angeles vs West Covina
How do grading & drainage rules compare between Los Angeles, CA and West Covina, CA?
Los Angeles and West Covina have similar restriction levels.
Los Angeles, CA
Los Angeles County
Grading permits are required from LADBS for earthwork exceeding certain thresholds. The city conditions grading permits on stormwater pollution control compliance per LAMC 91.106.4.1. Hillside areas have enhanced grading standards under the Baseline Hillside Ordinance. Drainage must not direct water onto neighboring properties. A geotechnical report is typically required for hillside grading.
View full Los Angeles 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 | Los Angeles | West Covina |
|---|---|---|
| Permit | LADBS grading permit required | Grading permit required |
| Stormwater | BMP compliance required (LAMC 91.106.4.1) | - |
| Hillside | Enhanced standards under BHO | Additional requirements apply |
| Drainage | Must not direct water to neighbors | Must not impact adjacent properties |
| Geotech Report | Typically required for hillside | - |
| Code | - | Ch. 7 Building and Building Regulations |
Highlighted rows indicate differences between cities.
Los Angeles 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 Los Angeles 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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