In general, four years, unless there is a change in the scope of work or adoption of a new LABC.
How long will it take to get my report reviewed?
Regular: 5 to 6 weeks. Expedite: 4 to 5 weeks.
How much does it cost to have a report reviewed by the Grading Division?
Please refer to Department fee schedule online for general fees. Final fees to be determined at the time of submittal.
What do I do if a slope failure occurs on my property or my neighbor's?
Contact the Training and Emergency Management Division (TEMD) at 311 or (213) 482-6788.
How can I find out if my property is in a seismic hazard zone?
Check the Parcel Profile Report available on the Department’s website. NavigateLA also shows the extent of seismic hazard zones colored in the map.
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.
Mandatory Requirements Checklist Newly-Constructed Residential Buildings of Six Stories or Less (for 2011 Codes)
GRN 4-2013
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DownloadWhat 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:
Mandatory Requirements Checklist Additions and Alterations to Residential Buildings of Six Stories Or Less (for 2011 Codes)
GRN 9-2013
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.
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.
When is a commissioning report required?
Commissioning report is required for all new non-residential projects of 10,000 square feet or more. The exceptions are warehouses, open parking garages and similar projects.
Can I install a residential hood in a non-dwelling unit?
Yes, but with conditions. Residential hoods may be installed in employee kitchen areas, community centers in residential buildings, churches and similar areas that are not designed for the selling of food to the public.
Do I have to install a hood in a residential kitchen?
A hood is not required for residential kitchens. However, it is required to provide kitchen ventilation for removing moisture.
When do I need a Research Report for my product?
A LA Research Report is required for any structural items. Please see Information Bulletin P/BC 2014-119 to learn more.
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.
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.