Coastal Development: Costa Mesa vs Newport Beach
How do coastal development rules compare between Costa Mesa, CA and Newport Beach, CA?
Costa Mesa and Newport Beach have similar restriction levels.
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 →Newport Beach, CA
Orange County
Newport Beach requires Coastal Development Permits for most development within the Coastal Zone under the city's certified Local Coastal Program. CDPs ensure projects protect public access, coastal views, marine resources, and environmentally sensitive habitat areas. The Planning Division and California Coastal Commission share jurisdiction over permits.
View full Newport Beach rules →Key Facts Comparison
| Fact | Costa Mesa | Newport Beach |
|---|---|---|
| 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 | - |
| Trigger | - | Most development in Coastal Zone |
| Authority | - | City LCP and Coastal Commission |
| Max Fine | - | Up to $15,000 per day |
| ESHA Protection | - | Required in permit findings |
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.
Newport Beach FAQ
Does my Newport Beach property need a Coastal Development Permit?
If your property is within the Coastal Zone, most development including new construction, additions, major remodels, and grading requires a CDP. Some minor improvements are exempt. Contact Community Development at (949) 644-3200 to determine requirements.
How long does a CDP take in Newport Beach?
Administrative CDPs for minor projects may be processed in 4 to 6 weeks. Standard CDPs requiring Planning Commission hearing typically take 8 to 12 weeks. Projects subject to Coastal Commission appeal may take additional months.
Can a CDP decision be appealed?
Yes. City CDP decisions may be appealed to the Planning Commission or City Council. For properties between the sea and the first public road, or within specified appeal areas, the California Coastal Commission has additional appeal jurisdiction.
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