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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A Combined Building Permit (includes Electrical and Mechanical permits) can be issued for a single-family or a duplex; otherwise a separate Building, Electrical or Mechanical Permits is required.
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You will receive an email from RTI.ladbs@lacity.org containing detailed instructions and links to enter contractor and/or owner information in order to pay the final permit fees online.
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The documents required for submittal are:
- Structural analysis/calculation package
- Architectural plans
- Structural plans
For more details see our Plan Submittal for Regular Plan Check page.
Plan Submittal for Regular Plan CheckWas this helpful?
The documents required for submittal are:
- Structural analysis/calculation package
- Architectural plans
- Structural plans
- Structural analysis/calculation package
- Architectural plans
- Structural plans
For more details see our Plan Submittal for Regular Plan Check page.
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HVAC Plumbing, Electrical, Fire Sprinkler, Green, Building, Public Works, Fire Department, Sanitation.
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The permit will have a section named inspection checklist with all the required documents.
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All electrical equipment sold, installed or advertised for sale in the City of Los Angeles shall be approved by the LA Department of Building and Safety (LADBS).
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A permit is required for Demolition, New Building, Addition, and Alteration.
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LADBS currently provides electronic plan review services for following application types:
- Building Plan Check
- Affordable Housing
- Soft-Story Retrofit
- Tenant Improvement or Deferred Submittals
- Accessory Dwelling Unit (ADU)
- Fences and Block Walls
- Swimming Pools and Spa
- Housing - Zoning Only
- Supplemental - Revisions to Projects Originally Submitted through ePlan
- Fire Sprinkler
- HVAC
- Plumbing
- Elevator
- Residential Solar Photovoltaic
- Electrical
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Electrical equipment is evaluated in accordance with the requirements of National Electrical Code (NEC) and Underwriters Laboratories (UL) standards.
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