Los Angeles County Department of Regional Planning

Accessory Dwelling Units

Accessory Dwelling Units - Ordinance

The County is updating its accessory dwelling unit regulations to comply with state laws that took effect on January 1, 2017. On May 22, 2018, the Board of Supervisors approved the County’s ADU ordinance. The ordinance will take effect later in 2018. Please check this page for updates.

Please note that the County’s ordinance will only apply in the unincorporated areas of Los Angeles County.

May 22, 2018 Board of Supervisors Public Hearing

January 24, 2018 Regional Planning Commission Public Hearing

November 29, 2017 Regional Planning Commission Public Hearing

To sign up for alerts about this and other County housing-related ordinances and hearings, please enter your email in the space below.

Until the County’s ordinance is adopted by the Board of Supervisors, ADU applications will be processed under the County’s interim policy memo. For application questions, please contact zoningldcc@planning.lacounty.gov, call (213) 974-6411 or visit our ADU home page.

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Department of Regional Planning
320 West Temple Street
Los Angeles, CA 90012
T: (213) 974-6411 . F: (213) 626-0434
TDD: (213) 617-2292
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