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Can I use ABS pipe in a residential building?

Plastic waste and vent piping in residential occupancies are allowed when the residential portion of the building is 2 stories or less.

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Can I construct a permeable pavement at my property to infiltrate stormwater?

Yes, for passive (non-concentrated) infiltration only.

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What does the “Code Date” listed on the Los Angeles Research Report mean?

The Code Date stated on a Research Report (upper right corner on 1st page of Research Report) identifies which Los Angeles Building Code (LABC) edition the product specified in the research report is approved for. Building projects and LARR approved products shall have the same Code Date.

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MANDATORY REQUIREMENTS CHECKLIST ADDITIONS AND ALTERATIONS TO RESIDENTIAL BUILDINGS
GRN 9-2014
       
MANDATORY REQUIREMENTS CHECKLIST NEWLY CONSTRUCTED NON-RESIDENTIAL BUILDINGS
GRN 5-2015
       
I have a Los Angeles City Research Report (LARR). How do I know if my approval is applicable to the current code?

The LARR may be used only for projects permitted under the Code version specified on the LARR.

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Do I need a soils report for a subdivision?

A soils/geology report for a subdivision is generally required in hillside areas and seismic hazard zones. See Information Bulletin P/BC 2023-132.

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What is the process to obtain a Los Angeles City Research Report for my product?

The evaluation time frame is based on the complexity of the product. Contact the Engineering Research Section for the current status. The process to obtain a Los Angeles City Research Report consists of the following steps:

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MANDATORY REQUIREMENTS CHECKLIST NEWLY CONSTRUCTED RESIDENTIAL BUILDINGS
GRN 4-2016
       
MANDATORY REQUIREMENTS CHECKLIST ADDITIONS AND ALTERATIONS TO NON-RESIDENTIAL BUILDINGS
GRN 10-2015
       
What does the “Code Date” listed on the Los Angeles Research Report mean?

The Code Date stated on a Research Report (upper right corner on first page of Research Report) identifies which Los Angeles Building Code (LABC) edition the product specified in the research report is approved for. Building projects and LARR approved products shall have the same Code Date.

    Read FAQ
MANDATORY REQUIREMENTS CHECKLIST ADDITIONS AND ALTERATIONS TO RESIDENTIAL BUILDINGS
GRN 9-2016
       
Tier 1 and Tier 2 Voluntary Requirements Checklist Newly-Constructed Residential Buildings of Six Stories or Less (for 2011 Codes)
GRN 4A-2012
       
Plumbing Fixture Flow Rate Tables (Non-Residential) (for 2011 Codes)
GRN 17-2013
       
What is the process to obtain a Los Angeles City Research Report for my product?

The evaluation time frame is based on the complexity of the product.  Contact the Building Research Section for the current status.

    Read FAQ
Mandatory Requirements Checklist Newly-Constructed Residential Buildings of Six Stories or Less (for 2011 Codes)
GRN 4-2013
       
MANDATORY REQUIREMENTS CHECKLIST ADDITIONS AND ALTERATIONS TO NON-RESIDENTIAL BUILDINGS
GRN 10-2016
       
Where can I get my setbacks or property line?

Usually setbacks can be obtained from a current plot plan.

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Commissioning Report (for 2011 Codes)
GRN 26-2011
       
MANDATORY REQUIREMENTS CHECKLIST NEWLY CONSTRUCTED NON-RESIDENTIAL BUILDINGS
GRN 5-2016