Grading & Drainage: Anaheim vs Orange
How do grading & drainage rules compare between Anaheim, CA and Orange, CA?
Anaheim and Orange have similar restriction levels.
Anaheim, CA
Orange County
Anaheim requires grading permits under AMC Title 17 for earthwork exceeding minimum thresholds. The city's Storm Drainage Manual governs site drainage design for both public and private facilities.
View full Anaheim rules →Orange, CA
Orange County
The City of Orange requires grading permits for earthwork and site drainage management under OMC Title 15 and the California Building Code. A Water Quality Management Plan must be submitted before grading permit issuance.
View full Orange rules →Key Facts Comparison
| Fact | Anaheim | Orange |
|---|---|---|
| Permit | Required for grading | - |
| Engineer | Licensed civil required | - |
| LID | Encouraged for runoff | - |
| Code | AMC Title 17 | - |
| Grading Permit | - | Required for most earthwork |
| WQMP | - | Required before permit |
| SWPPP | - | Required if 1+ acre disturbed |
| Contact | - | Public Works (714) 744-5525 |
Highlighted rows indicate differences between cities.
Anaheim FAQ
Do I need a grading permit in Anaheim?
Yes, for earthwork exceeding minimum thresholds. Plans must be prepared by a licensed civil engineer and approved by Public Works.
What drainage requirements apply to new development?
Projects must direct water away from structures into approved drainage systems. On-site detention may be required per the Storm Drainage Manual.
Orange FAQ
Do I need a grading permit in Orange?
Yes for most earthwork projects. Contact the Public Works Department at (714) 744-5525 to determine if your project requires a grading permit.
What is required before I can get a grading permit?
You must submit a Water Quality Management Plan (WQMP) and grading plans showing drainage patterns and erosion control measures for Public Works approval.
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