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
- Applications
- Publications
FAQ Search Results
Filtered categories:
All
Homeowners wishing to use a standard plan must coordinate directly with the plan author for access and to understand any associated costs. The City’s role is to provide a streamlined permitting pathway by pre-reviewing these plans for building code compliance, thereby reducing plan check times.
Was this helpful?
Members of the public may address the BBSC during the appropriate time scheduled on the agenda (usually at the end of the hearing); however, the BBSC will not take any action on an item that is not on the current agenda.
Was this helpful?
For General Approval – City of Los Angeles only:
Testing must be witnessed by an independent third party Testing Agency approved by the Los Angeles City, Department of Building and Safety (LADBS). The Approved Testing Agency shall issue the test report. The Approved Testing Agency shall approve the testing facility where the testing occurs to meet the requirements as specified in Information Bulletin P/GI 2014-028, Rules and Regulations for Recognition of Testing Agencies.
For Research Reports based on an Evaluation Report from a nationally recognized model code agency:
Test reports shall come from a qualified testing agency approved by the Model Code Agency issuing the Evaluation Report. The approved testing agency shall take necessary steps to ensure that the integrity and condition of the test specimens are maintained and are not altered during periods when a laboratory representative is not present. Also, the manufacturer’s testing facility shall show to the satisfaction of the approved testing agency that it meets the requirements for an approved testing agency.
Was this helpful?
No. These pre-approved ADU Standard Plans are only for new, detached structures.
Was this helpful?
No. These pre-approved ADU Standard Plans are only for new, detached structures.
Was this helpful?
Please contact the individual jurisdiction to inquire whether they will accept a City of Los Angeles Pre-Approved Standard Plan.
Was this helpful?
Please contact the individual jurisdiction to inquire whether they will accept a City of Los Angeles Pre-Approved Standard Plan.
Was this helpful?
No, these pre-approved ADU Standard Plans are only for new, detached structures.
Was this helpful?
No, these pre-approved ADU Standard Plans are only for new, detached structures.
Was this helpful?
Yes, the Lot may contain any other residential use(s), in addition to the non-residential uses and accessory residential uses mentioned in 12.22 A.33(c)(6)
Was this helpful?
Filtered categories:
Filtered categories: