Coastal Development: Costa Mesa vs Santa Ana
How do coastal development rules compare between Costa Mesa, CA and Santa Ana, CA?
Santa Ana has fewer restrictions than Costa Mesa.
Costa Mesa, CA
Orange County
Portions of Costa Mesa fall within the California Coastal Zone. Because Costa Mesa does not have a certified Local Coastal Program (LCP), the California Coastal Commission retains permit authority over development in the coastal zone, requiring Coastal Development Permits for most construction and development activities in those areas.
View full Costa Mesa rules →Santa Ana, CA
Orange County
Santa Ana is an inland city in Orange County, located approximately 10 miles from the Pacific coast. The California Coastal Act and Coastal Commission jurisdiction do not extend to Santa Ana. There are no local coastal development permit requirements. Coastal regulations apply only to cities within the designated coastal zone.
View full Santa Ana rules →Key Facts Comparison
| Fact | Costa Mesa | Santa Ana |
|---|---|---|
| Coastal Zone | Portions of Costa Mesa included | - |
| LCP Status | Not certified by CCC | - |
| Permit Authority | California Coastal Commission | - |
| Processing Time | 3-6 months typical | - |
| CCC South Coast | (562) 590-5071 | - |
| Applicability | - | Not applicable — Santa Ana is inland |
| Distance to Coast | - | Approximately 10 miles |
| Coastal Commission | - | No jurisdiction in Santa Ana |
| Local Regulation | - | None — outside coastal zone |
Highlighted rows indicate differences between cities.
Costa Mesa FAQ
Is my Costa Mesa property in the coastal zone?
Portions of Costa Mesa near the coast and Santa Ana River fall within the California Coastal Zone. You can check the Coastal Commission's interactive map or contact Costa Mesa Planning at (714) 754-5245 to determine whether your property is within the regulated area.
Why does the Coastal Commission handle permits instead of the city?
Costa Mesa does not have a certified Local Coastal Program (LCP). Until an LCP is certified, the California Coastal Commission retains direct permit authority over development within the coastal zone portions of the city.
What types of projects need a Coastal Development Permit in Costa Mesa?
Nearly all development within the coastal zone requires a CDP, including new construction, significant remodels, demolition, grading, and changes in land use intensity. Some minor improvements may qualify for an exemption or waiver.
Santa Ana FAQ
Does Santa Ana have coastal development regulations?
No. Santa Ana is an inland city approximately 10 miles from the coast. The California Coastal Act does not apply to Santa Ana.
Are there waterfront regulations in Santa Ana?
Santa Ana regulates development near the Santa Ana River through floodplain and stormwater ordinances rather than coastal development rules.
Compare other topics
See how Costa Mesa and Santa Ana compare on other ordinance categories.
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