Los Angeles County Department of Regional Planning

Senate Bill 9 (SB 9)

What is SB 9?

On September 16, 2021, the Governor signed Senate Bill (SB) 9 (Atkins), which adds Section 65852.21 to the Government Code to require a ministerial review process for eligible development of up to two principal dwelling units on a parcel in a single-family residential zone. The bill also adds Section 66411.7 to require a ministerial review process for eligible “urban lot splits,” to create two new parcels for residential uses in a single-family residential zone.

What types of projects are allowed?

The following project types are permitted under SB 9. Please see the SB 9 Summary and the SB 9 memo for more information, including required locational criteria, pre-existing site conditions, and development standards.

Two Principal Dwelling Units / Duplex

Allows for ministerial approval of certain housing development projects containing up to 2 dwelling units on a single-family zoned parcel.

SB 9

Required Application Materials:
  • Land Use Application (PDF)
  • Land Use Checklist (PDF)
  • Pre-Existing Site Conditions and Occupant Income Certification (PDF or Word)
  • Owner Occupancy Affidavit (PDF or Word)
  • SB 9 Applicant Acknowledgement Form (PDF or Word)

Urban Lot Split

Allows for ministerial approval of qualifying lot splits, with a maximum 40%-60% split and a minimum 1,200 square feet for each parcel.

SB 9

Required Application Materials:
  • Subdivisions Application (PDF or Word)
  • Subdivisions Application Checklist (English) (PDF)
  • Pre-Existing Site Conditions and Occupant Income Certification (PDF or Word)
  • SB 9 Applicant Acknowledgement Form (PDF or Word)
  • Required items, if applicable (Subdivisions Application Checklist)
    • Financial Responsibility Form (PDF)
    • Change of Financial Responsibility Form (PDF)
    • Ownership and Consent Affidavit (PDF or Word)
    • Disclosure Affidavit (PDF or Word)
    • Affidavit of Easements of Record (PDF)
    • Land Use Radius Map Example (PDF)
  • Additional Information
    • Cover Letter for Revisions Guidelines (PDF)
    • Slope Density Exhibit Guidelines (PDF)
    • Flag Lot Supplemental Information (PDF)
  • Tentative Map Findings (PDF)

How can I apply for a project under SB 9?

Please submit your application through EPIC LA and upload the required application materials to your online application.

How to Apply Online

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