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
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FAQ Search Results
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Please see Section 91. 7006.5.7 of the Los Angeles Municipal Code (L.A.M.C.)
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After the permit fee is paid, an LADBS Plan Check Engineer will stamp your plans and you will be able to download the stamped plans from your dashboard.
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Check the “Search Online Building Records” on the Department’s website. Previous soils/geology reports can also be obtained at the Records Section locations at 201 N. Figueroa Street, Rm. 110 (Metro) or 6262 Van Nuys Blvd., 2nd Floor (Van Nuys).
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You may view our employee directory on the LADBS website to look up your plan checker contact information.
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For small to medium projects, you may visit the Metro (Downtown), Van Nuys, and West LA offices on a walk-in basis for a Counter Plan Check. Your plans are reviewed same day, in about 45-60 minutes
For large, complex projects, plans are sent in for a Regular Plan Check and reviewed within weeks.
For major developer projects, the design and permit process are allowed concurrently, in the Parallel Design - Permitting Process.
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You can visit our Pre-Approved Standard Plans page for more information.
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All new buildings or additions, and any alteration with valuation of more than $200,000.0 need to comply with the LA City Green code.
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Make sure that the equipment approval has not expired by checking the equipment approval letter. Each letter has an approval and expiration date that is indicated on the top right hand of the letter.
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You can check with the office where you submitted your Demo Pre-Inspection (DPI) application for the status. You will be called once the GPI is ready.
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You can check with the office at which you submitted your Grading Pre-Inspection (GPI) application for the status. You will be called once the GPI is ready.
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