Grading & Drainage: Camarillo vs Oxnard
How do grading & drainage rules compare between Camarillo, CA and Oxnard, CA?
Camarillo and Oxnard have similar restriction levels.
Camarillo, CA
Ventura County
Camarillo issues grading permits under CMC Title 16 (Building Code), which incorporates the California Building Code's grading and drainage provisions (CBC Appendix J). Any cut, fill, or change to surface drainage that exceeds adopted thresholds requires plans, a soils/geotechnical report on hillside sites, and inspection sign-offs.
View full Camarillo rules →Oxnard, CA
Ventura County
Oxnard requires grading permits for earthwork exceeding specified thresholds. The flat topography of the Oxnard Plain requires careful drainage design to prevent flooding, particularly near the Santa Clara River floodplain and coastal areas.
View full Oxnard rules →Key Facts Comparison
| Fact | Camarillo | Oxnard |
|---|---|---|
| Code Section | CMC Ch. 16.04; CBC Appendix J | - |
| Permit Threshold | Cut >5 ft or fill >50 cu yd | Over 50 cubic yards |
| Hillside Sites | Geotechnical report required | - |
| Drainage | May not be redirected onto neighbor | Must direct away from structures |
| Engineering | - | Licensed civil engineer required |
| Flood Zone | - | FEMA compliance near Santa Clara River |
Highlighted rows indicate differences between cities.
Camarillo FAQ
When does Camarillo require a grading permit?
When you cut more than 5 feet, fill more than 50 cubic yards, or alter the established drainage pattern on the lot — per CBC Appendix J as adopted by CMC Chapter 16.04.
Oxnard FAQ
When do I need a grading permit in Oxnard?
Grading permits are required for earthwork exceeding 50 cubic yards or any work that alters drainage patterns on your property. Contact Building Division at (805) 385-7858.
Why is drainage design important in Oxnard?
Oxnard's flat terrain and high water table make drainage critical. Poor drainage can cause flooding, especially near the Santa Clara River floodplain and coastal low-lying areas.
Can I change drainage on my Oxnard property?
Any changes affecting drainage patterns require a grading permit. You cannot redirect water flow onto neighboring properties. An engineer must design proper drainage solutions.
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