Product Approval (Test Lab)

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.

LA Research Reports (LARR)
Building Research Section (BRS)
Mechanical Test Lab (MTL)
Electrical Test Lab (ETL)

About Test Lab

Approved materials are published as Los Angeles Research Reports (LARR).

For licensing of product approval test labs, refer to the Materials Control section in the Inspection Bureau.

Additional Resources

  • FAQ

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Yes, but the cardholder needs to be present at the cashier's office for payment process.

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Remodeling of apartment buildings that were first occupied prior to March 13, 1991, are not subject to DA requirements.

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Yes, as long as it does not obstruct controls, faucets, and shower spray units, or the transfer of an individual from wheelchairs onto shower seats.

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No, but backing for future installation of grab bars is required.

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Yes. Per 11B-505.4, handrail height must be a minimum of 34" and maximum of 38" measured vertically.

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Yes, ADA restrooms and parking at events must meet ADA requirements.

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No. The Grading Division no longer maintains standard general notes for grading plans.

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Yes. Graywater Ready Systems are not required when the landscape area on the site does not exceed 500 square feet, or when graywater irrigation is not permitted due to geological conditions, or for additions or alterations that use the existing building drain.

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Yes. Sanitary facilities must be provided at special events.

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If you have resided in the house for 12 months or more.

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