In general, infiltration is not allowed within a potentially liquefiable hazard zone. However, sites within a potentially liquefiable zone can be considered for infiltration if a soils report demonstrates that the site is not subject to liquefaction.

The Department does not recommend or endorse consultants. The Department does maintain a roster of approved testing agencies on the web site, which contains soil laboratories and geotechnical companies.

The Department does not recommend or endorse consultants. The Department does maintain a roster of approved testing agencies on the web site, which contains soil laboratories and geotechnical companies.

A grading permit may be required depending on the scope of the project. Permits are almost always required in the Hillside Grading Area. Please contact the Grading Division.

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

No. Methane reports are reviewed by the building plan checker. See Chapter 71 of the LABC.

Check the Parcel Profile Report available on the Department’s website. NavigateLA also shows the extent of seismic hazard zones colored in the map.

Online at our website or call 311.

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.