Almanac note · Home and property
One address can have several hazard layers
Cal OES MyHazards lets people enter an address, city, zip code, or map location to review earthquake, flood, fire, and tsunami hazard layers.
An address can sit in more than one map layer. In California, that might mean earthquake, flood, fire, or tsunami information, depending on the exact spot. A city name alone is usually too broad.
Cal OES MyHazards is a helpful first look because it lets you search by address, city, zip code, or map location. The tool then shows hazard information near that location and gives preparedness steps tied to the layers it finds.
Use it early when you are moving, buying, renting, planning an emergency kit, or trying to understand why a local rule or insurance question came up. Then keep the limits in mind. A hazard map is not the final word for a permit, insurance price, disclosure, or evacuation order. For those, use the local agency, current emergency alert, insurer, or permit office tied to the address.
Where to see it
Cal OES MyHazards address tool.
Official sources
Official source trail
Reviewed July 4, 2026
California Porch explains the path. The official source is still the place to confirm the current rule, fee, form, map, deadline, or office decision.
Use the official page before you spend money, file paperwork, rely on a deadline, or change a property.
Related notes
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