The Department of Regional Planning is aware of phishing emails targeting Los Angeles County residents. Please be advised that all official correspondence from Regional Planning is issued solely from [Name]@planning.lacounty.gov or donotreply@lacounty.gov email addresses. Communications from other domains are not affiliated with the Department and should not be treated as an official communication. The County will never request personally identifiable information via email or ask for payment or funds through wire transfer. If you receive a suspicious email or have concerns about its legitimacy, please do not respond or click any links. Instead, contact Regional Planning directly to verify at info@planning.lacounty.gov or (213) 974-6411.

If you were impacted by the recent fires and need assistance, please visit the Disaster Recovery page.

The Department of Regional Planning is aware of phishing emails targeting Los Angeles County residents. Please be advised that all official correspondence from Regional Planning is issued solely from [Name]@planning.lacounty.gov or donotreply@lacounty.gov email addresses. Communications from other domains are not affiliated with the Department and should not be treated as an official communication. The County will never request personally identifiable information via email or ask for payment or funds through wire transfer. If you receive a suspicious email or have concerns about its legitimacy, please do not respond or click any links. Instead, contact Regional Planning directly to verify at info@planning.lacounty.gov or (213) 974-6411.

If you were impacted by the recent fires and need assistance, please visit the Disaster Recovery page.

Significant Ecological Areas Program

Blog

Joshua trees gain endangered species protections Effective October 9, 2020, the western Joshua tree, Yucca brevifolia, … Read More New SEA Ordinance is now in effect! The new SEA Ordinance is now in effect! On December… Read More Ocellated Humboldt lily #SEAWEDNESDAY Have you spotted the ocellated Humboldt lily lately? Ocellated Humboldt… Read More SEA Program

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FAQs

This Frequently Asked Questions (FAQ) page will provide answers to questions we commonly get from property owners. Click on the links below to see the questions and answers pertaining to those specific topics. Please contact us at info@planning.lacounty.gov or 213-974-6461 if you require further clarification after viewing the FAQs. Applicability and Exemptions What type of project/activity is subject to

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Implementation Guide

SEA Ordinance SEA Ordinance (Municode) 1982 SEA Ordinance 1982 SEA Ordinance (Municode) only applicable to in Santa Catalina Island. SEA Implementation Guide – Full Document Chapter 1 – Introduction to SEA ProgramChapter 2 – SEA Ordinance Assessment ProcessChapter 3 – SEA Protected TreesChapter 4 – Design and Development StandardsChapter 5 – Permit AnalysisChapter 6 – Biological

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Resources

SEA STUDIES 2025 SEA Update Study 2025 SEA Study Final Report Appendix A – Species Lists Used in Analysis Appendix B – Methodology and Workflow Appendix C – Threatened and Endangered Species of Los Angeles County Appendix D – Inventory of Geographic Data Reviewed and Analyzed Appendix E – Field Visits and Verification Appendix F

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Significant Ecological Areas Program

Significant Ecological Areas (SEA) are officially designated areas within LA County with irreplaceable biological resources. The SEA Program objective is to conserve genetic and physical diversity within LA County by designating biological resource areas that are capable of sustaining themselves into the future. The SEA Ordinance establishes the permitting, design standards, and review process for

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