New California Law Will Require Sellers to Disclose Gas and Hazardous Liquid Pipelines

California required disclosures

New California law requires disclosing Gas and Hazardous Liquid Transmission Pipelines

Every contract for the sale of residential real property must contain a specified notice regarding gas and hazardous liquid transmission pipelines.

This notice informs buyers that the U.S. Department of Transportation maintains the general location of these pipelines through the National Pipeline Mapping System at

This new requirement is a response to the 2010 pipeline explosion in San Bruno and other tragedies that have occurred.

Delivery of the notice to a buyer shields sellers and brokers from liability as it will be deemed adequate to inform the buyer about the existence of a statewide database for the location of gas and hazardous liquid transmission pipelines, and information from the database regarding those locations.

C.A.R. will revise its standard form purchase agreements to comply with this new requirement.

See Assembly Bill 1511 (codified as California Civil Code § 2079.10.5) (effective July 1, 2013).



Source of information is California Association of Realtors. This is for information only and is not the providing of legal services. If you have questions about your legal obligations to make this disclosure, you should discuss with an experienced real estate attorney.

Harrison K. Long, Realtor and broker associate – CADRE 01410855 – also an attorney member of the California State Bar Association #69137 – 949-701-2515 for direct telephone or text contact.

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