Grading & Drainage: Los Angeles vs Pasadena
How do grading & drainage rules compare between Los Angeles, CA and Pasadena, CA?
Los Angeles has fewer restrictions than Pasadena.
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 →Pasadena, CA
Los Angeles County
Grading in Pasadena is regulated under Title 14 Chapter 14.05 (Excavation, Grading, and Hillside Areas). Grading permits required for earthwork. Hillside areas have enhanced standards to minimize terrain alteration. Drainage plans must be submitted with development applications.
View full Pasadena rules →Key Facts Comparison
| Fact | Los Angeles | Pasadena |
|---|---|---|
| Permit | LADBS grading permit required | - |
| Stormwater | BMP compliance required (LAMC 91.106.4.1) | - |
| Hillside | Enhanced standards under BHO | Enhanced standards apply |
| Drainage | Must not direct water to neighbors | - |
| Geotech Report | Typically required for hillside | - |
| Grading Permit | - | Required for earthwork |
| Drainage Plan | - | Required for development |
| Code Section | - | PMC Title 14, Ch. 14.05 |
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.
Pasadena 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 Pasadena code enforcement. Redirecting drainage onto neighboring properties violates most municipal codes. The neighbor may be required to restore proper drainage.
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