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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Refer to Information Bulletin P/GI 2014-012 on our website to confirm when plans are required to go through regular plan check (back room) review.
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However, some exceptions apply, such as projects only consisting of heating, ventilation, air conditioning, or cosmetic works like painting, wallpapering, etc. There are also general exceptions that exempt DA compliance, such as construction sites, raised areas, and machinery spaces, per 11B-203 of the LABC.
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An import/export approval is valid for twelve months from the date of the Board’s action. The BBSC does not grant extensions on import/export applications. If you fail to obtain your grading permit within the twelve-month period, the application will expire and a new application must be submitted to the Commission Office to be heard before the BBSC.
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Counter hours are as follows:
- Monday 7:30 AM to 4:30 PM
- Tuesday 7:30 AM to 4:30 PM
- Wednesday 9:00 AM to 4:30 PM
- Thursday 7:30 AM to 4:30 PM
- Friday 7:30 AM to 4:30 PM
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Once you obtain a permit, you can commence with the work. However, you must call for inspection before you cover or conceal any work. If you are unsure of when to call for inspection, please contact our Customer Call Center at 3-1-1.
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The school fees are required for new buildings and additions. Additions made within one year which are less than 500 square feet are exempt from school fee.
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Any time your property is in a City Special Grading Area and the amount of the cut or fill exceeds 250 cubic yards.
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See the Los Angeles Municipal Code (L.A.M.C.), Section 91.106.2 for when a Building permit is required.
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See the Los Angeles Municipal Code (L.A.M.C.), Section 95.112.1 for when a Mechanical permit is required.
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See the Los Angeles Municipal Code (L.A.M.C.), Section 93.0201 for when an Electrical permit is required.
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