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How Buyers Can Identify Hazard Zones in California

By Thomas Kutzman on February 16, 2024

Homebuyers should always do their research before making an offer on a home, and in California, that means knowing which areas are considered hazard zones. 

California has a number of these zones, each with its own set of risks associated with it. Buyers who know where these zones are can make more informed decisions about whether or not to move forward with certain real estate transactions.

Below we outline what hazard zones are in California and how buyers can identify them. Stay safe out there!

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Brush fire near residential homes in California

What are hazard zones in California and why are they important?

In California, hazard zones are defined areas based on the risks of certain types of natural disasters. There are four primary hazard zones: floodplains, very high fire-risk areas, earthquake fault zones, and landslide-prone areas. 

Each of these potential hazards presents unique dangers to Californians, and these zones are created by the California Geological Survey (CGS) in order to help people identify areas that may be at risk 

Floodplains are at risk for flooding, which can damage property and lead to loss of life. Similarly, high fire-risk areas are prone to brushfires, that can quickly consume your home and lead to loss of life. Seismic hazard zones are at risk for earthquakes, which can damage property, infrastructure, and lead to loss of life. Landslide-prone areas are at risk for landslides, which can damage property and lead to loss of life. 

Types of hazard zones in California

  • Flooding
  • Wildfires
  • Earthquakes
  • Landslides

How can you identify if a property is located in a hazard zone area?

Before you buy or build a home in California, it's important to find out if the property is located in a hazard zone area. There are two easy ways to gather information quickly.

First, the best way to identify a hazard zone is to visit the website of the California Geological Survey (CGS). On the CGS website, you can use their interactive maps to search for hazard zones by county. You can also contact their office directly and request a hard copy map. 

Second, the California Office of Emergency Services has a site called My Hazards that allows Californians to search a specific address and discover hazards in their area.  

Once you have determined if a property is located in a hazard zone, you can take steps to protect your investment and reduce personal risk. 

What is a Natural Hazard Disclosure (NHD) in California?

Before a property transaction can be finalized in California, the seller is required to provide the buyer with a Natural Hazard Disclosure (NHD). 

The NHD must include information about any hazard zones that are located on or near the property, such as areas at risk for earthquakes, wildfires, or flooding. This disclosure is designed to help buyers make an informed decision about whether to purchase a particular property. 

For instance, if a buyer is aware that a property is located in a flood zone, they can take steps to mitigate the risk, such as purchasing flood insurance. 

Whether you are buying or selling a house and have questions about disclosure requirements, speak with your real estate agents.

What should you do if you're buying a home that's located in a hazard zone in California?

If you're buying a home that's located in a hazard zone in California, there are a few things you need to keep in mind. 

First of all, you'll need to make sure that you have adequate insurance coverage. Your insurance policy should cover the cost of rebuilding your home in the event of damage from the specific hazards you are most at risk of experiencing. 

You should also take proactive steps to reduce the effects of the hazard. For example, if you're buying a home in a wildfire zone, you may want to create a defensible space around your property and install fire-resistant panels on your windows and doors. By taking these steps, you can help to protect your home and minimize the risk of damage from the hazard.

What kind of insurance coverage should you have for your home in California?

Homeowners insurance is a type of property insurance that covers losses and damages to an individual's home. It is typically required by lenders when a borrower takes out a mortgage. 

Homeowners coverage protects a variety of perils, including fire, theft, vandalism, and wind damage. In California, homeowners are also required to carry hazard zone insurance. 

This type of insurance protects against damage caused by earthquakes, floods, and other natural disasters. Hazard zone insurance can be purchased as an endorsement to a homeowners policy or as a separate policy. 

Interested in buying a home in California? Browse listings in your favorite town and see how much you can save with Prevu’s commission rebate.

Prevu Real Estate, Inc. is a licensed real estate broker in California, license number 02134758.


Thomas Kutzman

Thomas Kutzman

Co-Founder and Co-CEO

Thomas Kutzman is the co-founder and Co-CEO of Prevu, a company dedicated to making real estate transactions more transparent and affordable. He leads the marketing efforts at Prevu, including overseeing the Prevu blog. Thomas regularly contributes to the blog, helping to educate consumers on various aspects of real estate, mortgage, and personal finance.

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