Building Research Section (BRS)

The BRS approves alternate building materials or products that are at least equivalent to the materials prescribed in the code in terms of quality, effective time period of fire resistance, strength, effectiveness, durability and safety.

LA Research Reports (LARR)

Additional Information

Approved materials are published as Los Angeles Research Reports (LARR).

The Building Research Section is located at our Metro location (201 N Figueroa St, Rm 880, Los Angeles, CA 90012)

LA Research Reports (LARR)

LADBS approves alternate building materials or products that are at least equivalent to the materials prescribed in the code in terms of quality, effective time period of fire resistance, strength, effectiveness, durability and safety.

Approved materials are published as Los Angeles Research Reports (LARR).

 

Open LA Research Reports Database

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An AQMD clearance is required for charbroilers spray booth, dry cleaning, motor fuel storage, ETC.

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Projects that utilizes higher stresses require the Architect or Engineer to submit the form.

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When work performed and materials used are required to comply with Title 24 Energy Regulations.

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When all framing has been approved.

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Permits are issued for many different types of work, including Building, Electrical and Plumbing just to name a few. Please visit each our Plan Review & Permit page for more information about when a permit is required. 

If you have a specific question on whether the work you are performing requires a permit, please feel free to call 3-1-1 for further assistance.

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A plumbing permit is required for the installation of any gas piping, except piping less than 6 feet in length between an existing gas outlet and a gas appliance in the same room.

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When clearance for the plumbing is required.

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A reroof certificate is required for existing building in which the roof is replaced or repaired.

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When all rough sheathing is in place and nailed.

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When all framing is in place and electrical and plumbing installed.

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Cargo Container Conversion to Building Modules
IB/P/BC 2023-145 - Effective
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Guidelines for Permitting New Antennas and Replacement of Units on Existing Telecommunication Antennas (Cell Towers)
IB/P/BC 2023-146 - Effective
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Structural/Seismic Peer Review Protocol
IB/P/BC 2023-147 - Effective
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Procedures for the Application of ASCE 41-17 to Existing Buildings
IB/P/BC 2023-148 - Effective
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Procedure for Processing "Error or Abuse of Discretion" Appeals of LADBS Actions to the Board of Building and Safety Commissioners
IB/P/BC 2023-149 - Effective
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Accessory and Junior Accessory Dwelling Units / Permitted & Unpermitted Buildings
IB/P/BC 2023-150 - Effective
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Liquefaction Analysis Guideline
IB/P/BC 2023-151 - Effective
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Structural Design Guidelines for Non-Ductile Concrete Buildings
IB/P/BC 2023-152 - Effective
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Data Collection, Material Testing and Condition Assessment Requirements for Existing Concrete Buildings
IB/P/BC 2023-153 - Effective
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Mitigation of Slope Failure
IB/P/BC 2024-154
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Maintenance of ________________ (for 2011 Codes)
PC/GRAD/Aff08-2009
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Maintenance of Slip-Resistant Surface Requirements
PC/DAD/Aff01-2016
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Maintenance of Sump Pump
PC/GRAD/Aff09-2016
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Maintenance of Sump Pump (for 2011 Codes)
PC/GRAD/Aff09-2009
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Maintenance of Sump Pump Sewage Ejector
PC/MECH/Aff101-2016
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Maintenance of Sump Pump Sewage Ejector (for 2011 Codes)
PC/MECH/Aff101-2008
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Maintenance of Uncertified Fill Underground Structures (for 2011 Codes)
PC/GRAD/Aff04-2008
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Mandatory Requirements Checklist: Additions and Alterations to Non-Residential Buildings
GRN 10-2017
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Mandatory Requirements Checklist: Additions and Alterations to Non-Residential Buildings
GRN 10-2023 - Effective
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MANDATORY REQUIREMENTS CHECKLIST ADDITIONS AND ALTERATIONS TO NON-RESIDENTIAL BUILDINGS
GRN 10-2016
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Results: 3 6 10 25