Methane Zone Map of Los Angeles, CA

Methane Zone Map of Los Angeles, California

The map displayed below is the official Los Angeles Methane Zone Map per City Ordinance 175790.  Properties situated within the highlighted areas of this map are subject to Methane Testing and Methane Mitigation.

For help finding a parcel on this map, call (888) 930-6604 to speak with a licensed geologist.  Geo Forward, Inc. is an official testing and mitigation agency for the City of Los Angeles Department of Building and Safety or LADBS.

Click Here to View/Download a PDF of the Los Angeles Methane Zone Map

Click Here to Learn More About Los Angeles Methane Zone Testing

Los Angeles Methane Zone Map: Locate a property on this map to determine if methane zone testing or methane buffer zone mitigation is needed.

Source: City of Los Angeles Methane Zones Map – Showing Methane Zone & Methane Buffer Zone Properties.

Basis of the Map

This map is based on the location of historical crude oil and natural gas extraction activities.  Additionally, these boundaries can be related to landfill locations.

The construction of a vapor barrier can be costly.  Thus, a proper determination of soil gas conditions should be made by referencing this map during the planning phase of the project.

A professional determination using a methane zone map is advised during the planning phase of construction.

Methane Zone Map Determination – Advised Prior to Construction.


Los Angeles Department of Public Works, Bureau of Engineering
Los Angeles Department of Building and Safety (LADBS)

Geo Forward, Inc.

Forward-Thinking Geologists, Engineers, and Contractors!

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