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.
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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.
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Applications
and Forms

County Code And Interpretations

County Code

Title 21 (Subdivisions)

Title 22 (Planning and Zoning)

Memos and Interpretations

LA County Planning occasionally releases memos to inform of legislative impacts or to establish or clarify the County Code.

Informational Memos

LA County Planning occasionally releases memos to inform of legislative impacts to policy and planning. These documents enable the public to become more aware of how legislative decisions impact procedural changes.

AB 323 and AB 1287: Density Bonus and Inclusionary Housing dated January 8, 2024

AB 682 AND AB 2334: Density Bonus Law dated June 15, 2023

AB 1218: Demolition of Affordable Residential Dwelling Units dated July 11, 2024 

AB 2085: Community Clinics and AB 2632 : Thrift Stores (Secondhand Stores) dated March 11,2025

SB 543 & AB 1154 Informational Memo on Accessory Dwelling Units and Junior Accessory Dwelling Units dated December 30, 2025

Accessory Dwelling Unit Ordinance Amendment dated August 21, 2025

SB 1211 Informational Memo on Accessory Dwelling Units dated November 25, 2024

Accessory Dwelling Units and Junior Accessory Dwelling Units dated January 29, 2024

Density Bonus - Additional Bonus as an Incentive dated April 21, 2025

Density Bonus - Parking, Incentives and Waivers, Comparability, and Initial Sale dated March 29, 2022

Temporary Housing Units, Temporary Mobilehome Parks, and Temporary Special Occupancy Parks dated June 16, 2025

Certification of Revised County of Los Angeles Housing Element (2021-2029) and No Net Loss Law Implementation dated February 9, 2023

SB 9 - Extended Lifespan of Certain Approved or Conditionally Approved Tentative Maps dated January 3, 2022

Senate Bill 9 & Senate Bill 450: Ministerial Approvals of up to Two Principal Dwelling Units and Urban Lot Splits on Single-Family Residential-Zoned Parcels (Updated with Assembly Bill 1061) dated March 5, 2026

SB 35 and SB 423 - Streamlined Approval Process for Multi-Family Residential Developments (Updated) dated March 25, 2025

SB 330 - Housing Accountability Act and Housing Crisis Act Implementation dated March 17, 2022

SB 478 - Allowable Floor Area Ratio for Multi-Family Residential and Mixed-Use Developments dated February 28, 2022

Senate Bill 684, Senate Bill 1123, and Assembly Bill 130: Ministerial Approval Process for Housing Development Projects with 10 or Fewer Lots and 10 or Fewer Principal Dwelling Units dated August 12, 2025

Interpretations and Procedures Memos

From time to time LA County Planning issues a memo establishing an interpretation policy or procedure that is not clarified in Title 21 (Subdivisions) and Title 22 (Planning and Zoning) of the County Code. We also may issue a memo to establish or clarify a procedure to implement a newly adopted ordinance.

RESIDENTIAL

 

COMMERCIAL

 

INDUSTRIAL

 

PARKING

 

PROCEDURAL

 

OTHER

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