ARTICLE
15 October 2026

Wildfire Inverse Condemnation Liability Limited By California Legislature

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Nossaman LLP

Contributor

For more than 80 years, Nossaman LLP has delivered the highest quality legal expertise and policy advice to our clients nationwide. We focus on distinct areas of law and policy, as well as in specific industries, ranging from transportation, healthcare and energy to real estate development, water and government.
California's Senate Bill 1153 has been signed into law, providing significant protection for public water systems against wildfire-related inverse condemnation claims. The legislation clarifies that water suppliers have no duty to design or maintain systems for wildfire suppression and that inability to maintain water supply during wildfires is not a substantial cause of wildfire damages. This landmark legislation may reshape liability exposure and insurance costs for water providers across the state.
United States California Real Estate and Construction

We recently reported on the California Legislature’s passage of Senate Bill 1153, noting that the Bill was waiting for Governor Newsom’s approval. That approval has now occurred, and the Bill is official. 

This is a huge legislative victory for water suppliers in California, as the Bill clarifies that public water systems have no duty to be designed, constructed, or maintained for wildfire defense or suppression—and that the inability to maintain water supply or pressure during a wildfire is not a substantial cause of wildfire damages. Together, these authorities provide an increasingly well-defined defense to wildfire-related inverse condemnation claims against water providers.

While water suppliers still face risks of inverse condemnation lawsuits related to their facilities to the extent private property damage is substantially caused by an inherent risk in a deliberately designed, constructed, or maintained public improvement, inverse liability related to wildfire suppression is arguably off the table. We will see if there are legal challenges to this legislation, and whether this will help reduce insurance costs for water suppliers. Stay tuned in this ever-evolving area.

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