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Orange County, CA Environmental Rules: Coastal Development (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified April 2026

Key Facts

Code Section
OCCO §7-9-127
State Law
CA Coastal Act (PRC §30600)
Certified LCPs
Newport Coast, Emerald Bay, Aliso Viejo
Appeal Zone
Within 300 ft of beach/mean high tide
Max Penalty
$15,000/day (Coastal Commission)

Summary

Development within the coastal zone of unincorporated Orange County requires a Coastal Development Permit (CDP) under OCCO §7-9-127 and the California Coastal Act. The County has certified Local Coastal Programs for the Newport Coast, Emerald Bay, and Aliso Viejo segments, with the California Coastal Commission retaining jurisdiction over uncertified segments.

City-specific rules exist: Garden Grove, and Orange have their own coastal development rules that differ from Orange County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Coastal Zone Boundary

Del Norte

Humboldt

Mendocino

Sonoma

Marin

San Francisco

San Mateo

Santa Cruz

Monterey

San Luis Obispo

Santa Barbara

Ventura

Los Angeles

Orange

San Diego

Information on Digital Coastal Zone Boundaries: The original 1977 Coastal Zone Boundary maps were mylar (drafting film) copies of 161 USGS 7.5 minute topographic quadrangles with an inked boundary added. This digital version of the boundary

Source: OCCO §7-9-127 – Coastal Development Permits (Municode)View official code

Full Breakdown

Under OCCO §7-9-127, all uses and structures within the designated coastal zone of unincorporated Orange County may be subject to a Coastal Development Permit. The County administers CDPs in areas with certified Local Coastal Programs (LCPs), including the Newport Coast, Emerald Bay, and Aliso Viejo segments. In uncertified coastal segments, the California Coastal Commission retains original permit jurisdiction. CDPs require findings of consistency with the LCP or Coastal Act policies regarding public access, scenic views, habitat protection, and hazard avoidance. Specific plans such as the Newport Coast Planned Community and Foothill/Trabuco Specific Plan contain coastal resource protection standards. The County's CDP process includes environmental review, public notice, and potential appeal to the Coastal Commission for projects in the appeals jurisdiction zone (within 300 feet of the beach or mean high tide line).

Violations & Fines

Development without a required CDP is a violation of the California Coastal Act (Public Resources Code §30600), subject to penalties up to $15,000 per day. The Coastal Commission may issue cease-and-desist orders and restoration orders. Local zoning violations are enforced by OC Development Services through code enforcement actions.

Frequently Asked Questions

Do I need a coastal development permit in unincorporated Orange County?
If your property is within the designated coastal zone, any new development or significant alteration likely requires a Coastal Development Permit under OCCO §7-9-127. Check with OC Development Services to determine if your parcel is in the coastal zone.
Who issues coastal development permits in unincorporated Orange County?
The County issues CDPs in areas with certified Local Coastal Programs (Newport Coast, Emerald Bay, Aliso Viejo). In uncertified segments, the California Coastal Commission retains jurisdiction. Decisions in the appeals zone can be appealed to the Commission.

Sources & Official References

Other rules in Orange County

All Orange County rules

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