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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- Publications
FAQ Search Results
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A geology report is needed for development within an Alquist-Priolo Earthquake Fault Zone or a Preliminary Fault Rupture Study Area or for new onsite wastewater treatment systems (OWTS).A combined report is needed for projects in a Hillside Grading Area or where bedrock is encountered in addition to the requirements for a soils report.
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A soils report is needed for construction on a slope steeper than 3:1 (Horizontal:Vertical), excavations removing lateral support, when a structure cannot be designed per building code values, and/or for structures which do not conform to chapter 18 of the 2014 LABC. Reports are also required for sites in seismic hazard zones that are not exempt under Information Bulletin P/BC 2014-044.
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Floor control valves and waterflow detection assemblies shall be installed at each floor where any of the following occur:
- Buildings where the floor level of the highest story is located more than 30 feet above the lowest level of fire department vehicle access
- Buildings that are four or more stories in height
- Buildings that are two or more stories below the highest level of fire department vehicle access
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You will need a Haul Route hearing if your property is within LA City Special Grading Area, and you are exporting more than 1,000 cubic yards of dirt from your property. See the Information Bulletin P/BC 2014-134, available at LADBS.ORG.
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Any new restaurant or any tenant improvement of a restaurant will require approval by the LA County Health Department before a corresponding building permit can be issued. Any place where food is processed requires approval from LA County Health Department. See the Information Bulletin P/GI 2010-005 for more information.
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Please call LAFD at (213) 482-6900 for the information.
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Any permit other than Express Permits or the online permits require plans. For the list of the Express Permits, check the corresponding Information Bulletin.
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Whenever a building is demolished, a Demo Pre-Inspection (DPI) is required. See the Information Bulletin P/BC 2014-039 available on LADBS.ORG for more information.
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Most of the signs except wall signs, under certain conditions, require a Sign Pre-Inspection (SPI) report. See the Information Bulletin P/BC 2014-078 for more information.
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