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
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Any accessory building shall observe 10 feet separation from the main dwelling unit or any Accessory Living Quarters on the property.
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A height of a building is limited per the zoning designation of the property. Visit a LADBS office Zoning counter for more information. A building code also limits the height of a building based on the type of construction and the occupancy of the building. Your building will need to comply with the lost restrictive height of the zoning and the building codes.
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A fence within the required front yard setback for a property is limited to 3.5 feet above the natural grade. The fence height within the required setbacks other than the front yard setbacks could be limited to 6 feet or 8 feet based on the location of the property. A fence in the Special Grading Area of the City is limited to 6 feet above the natural grade within the required side or the rear yard. Check the zoning for your property to see if it is located within the Special Grading Area.
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The total floor areas of all the accessory buildings on a property can not be larger than the floor area of the main dwelling unit.
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You can schedule an inspection for the next day, so long as you do so before 4:00 PM.
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Each permit extension is good for 6 months.
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A permit is good for two years from the time the permit fees are paid. You will need to call for inspection at least once every 6 months, otherwise the permit expires.
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Each Plan Check extension is good for 6 months. See the Information Bulletin P/BC 2014-120 for more information.
P/BC 2014-120Was this helpful?
A Plan Check is good for 18 months from the time the plan check fees are paid.
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Depending upon the labs backlog, it would take about 10 to 15 days for a lab application, and 15 to 20 days for a General Approval (Research Report) to be assigned. After assignment, it would generally take about one to two weeks to get a response. The overall completion of the evaluation and approval depends on the applicant. If the applicant is able to provide a test sample for initial and subsequent reevaluation, submit all the required information and documentations through the evaluation process, the complete process including the test lab evaluation and testing would generally be between 1 to 5 months to get an approval.
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