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.
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).
Additional Resources
- FAQ
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FAQ Search Results
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Contact your inspector for your project for instruction to apply for your Certificate of Occupancy.
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The Code Date stated on a Research Report (upper right corner on first page of Research Report) identifies which Los Angeles Building Code (LABC) edition the product specified in the research report is approved for. Building projects and LARR approved products shall have the same Code Date. For example, projects submitted to plan check between January 1, 2011 and December 31, 2013 must use products approved under the 2011 LABC.
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The Code Date stated on a Research Report (upper right corner on 1st page of Research Report) identifies which Los Angeles Building Code (LABC) edition the product specified in the research report is approved for. Building projects and LARR approved products shall have the same Code Date. For example, projects submitted to plan check between January 1, 2011 and December 31, 2013 must use products approved under the 2011 LABC.
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Begin construction and request inspections online using our Online Services.
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Contact the Training and Emergency Management Division (TEMD) at 311 or (213) 482-6788.
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Several options are available. Talk to your Inspector to determine the best option for your particular situation.
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There could be many reasons why you received an Order To Comply. Do not dismiss it as an error.
Contact the issuing Inspector so the necessary corrections can be completed, if needed. This helps avoid future fees and enforcement.
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Contact your consultant to provide a formal itemized response to the Department correction letter. Note: Additional Department fees are required for review.
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Submit proof of previous retrofit, plans to retrofit, or plans to demolish to the Department of Building and Safety. Plans and calculations will be checked for compliance with the retrofit ordinance. LADBS will provide guidance for all necessary steps to obtain the retrofit permit, which includes obtaining clearances from all pertinent agencies.
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