Grading & Drainage: Santa Clarita vs Santa Monica
How do grading & drainage rules compare between Santa Clarita, CA and Santa Monica, CA?
Santa Clarita and Santa Monica have similar restriction levels.
Santa Clarita, CA
Los Angeles County
Hillside grading is heavily regulated to minimize environmental impact. Standards aim to maximize positive site design and reduce slope instability.
View full Santa Clarita rules →Santa Monica, CA
Los Angeles County
Santa Monica requires adequate grading and drainage for all development. French drain systems with minimum 12x12 inch gravel cross-section required for downspout/gutter connections through curb face. The stormwater utility fee funds the drainage system.
View full Santa Monica rules →Key Facts Comparison
| Fact | Santa Clarita | Santa Monica |
|---|---|---|
| Hillside Standards | SCMC 17.51 hillside section | - |
| Drainage | Must direct to approved outlets | - |
| Grading Permit | Required for earthwork | - |
| General Plan | Consistency required | - |
| French Drain | - | 12x12 inch gravel minimum |
| Stormwater Fee | - | Based on parcel BMU |
| BMU | - | 0.0637 for avg single-family |
| Storage Areas | - | Must have adequate drainage |
Highlighted rows indicate differences between cities.
Santa Clarita 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 Santa Clarita code enforcement. Redirecting drainage onto neighboring properties violates most municipal codes. The neighbor may be required to restore proper drainage.
Santa Monica 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 Santa Monica code enforcement. Redirecting drainage onto neighboring properties violates most municipal codes. The neighbor may be required to restore proper drainage.
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