How do I check if my LA ADU project vested under old rules before the 2019 ADU Ordinance, and can I switch to new rules?

David K.
June 20, 2025 at 11:19 PM
General Advice Los Angeles, CA
How do I check if my LA ADU project vested under old rules before the 2019 ADU Ordinance, and can I switch to new rules?

1 Answer

Nick (GatherADU Team)
June 22, 2025 at 05:19 AM
Hey, Nick from GatherADU! If you paid a plan check fee and had plans accepted by LADBS before December 19, 2019, your project vested under the old rules, per the ZA Memo. To switch to new rules, you may need a supplemental permit—check with LADBS. We can help you compare old vs. new benefits!
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Complete Guide to General Advice ADUs in Los Angeles, CA

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ADU Development Checklist for Los Angeles, CA

Use this comprehensive checklist to ensure you don't miss important steps in your ADU development process.

Planning Phase
  • Define project goals and budget
  • Research local zoning requirements
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Pre-Construction
  • Finalize architectural plans
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Construction Phase
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Completion
  • Final inspections and approvals
  • Certificate of occupancy
  • Utility meter installation
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Related Topics
General Advice Los Angeles ADU Planning Permits
Los Angeles, CA

This question is specific to Los Angeles, CA

Local regulations may vary by jurisdiction. Always verify with your local planning department.