New Fire Rules Are Coming to San Diego — Here’s What Homeowners Should Know

There’s a new set of fire prevention rules coming to San Diego — and for many homeowners, they’ll introduce changes that are worth understanding now rather than later.

A recent report from the San Diego Union-Tribune, shared locally through the San Diego Association of Realtors, outlines the city’s updated approach to wildfire prevention. At the center of it is something called “Zone Zero.”

And while the name sounds technical, the idea is straightforward: it focuses on the first five feet around your home.

What “Zone Zero” Means

The new regulations require homeowners in high fire-risk areas to reduce or remove flammable materials within five feet of their home.

This can include:

• certain types of landscaping
• wood fencing attached to the home
• decks or patio elements
• anything that could catch embers during a wildfire

As the article explains:

“Zone Zero rules are designed to reduce wildfire risk by eliminating flammable materials within five feet of homes, helping prevent embers from igniting structures.”
— David Garrick, San Diego Union-Tribune, December 30, 2025

The goal is to create a buffer that makes it harder for fires to spread directly to a structure.

Who This Impacts

A large portion of San Diego falls within designated fire hazard zones.

That means these changes won’t apply to just a small group of homeowners — they will affect a significant number of properties across the region.

Homes near canyons, open space, and hillside areas are especially likely to fall within these zones.

What the Timeline Looks Like

The rollout is gradual:

• New construction will need to comply first
• Existing homes will have additional time, with compliance expected by 2027
• Rental properties may face earlier requirements

This gives homeowners time to understand the changes and plan accordingly.

How This May Show Up in Real Life

For many homeowners, this won’t feel immediate — but it will start to show up in how properties are maintained over time.

You may begin to see:

• changes to landscaping near homes
• adjustments to fencing or exterior materials
• more conversations around defensible space

In many cases, insurance companies may end up playing a larger role in enforcement than the city itself.

Cost and Considerations

The cost to comply will vary depending on the property.

Some homes may require minimal changes. Others could need more meaningful updates, especially if flammable materials are located close to the structure.

Early estimates suggest a wide range depending on the scope of work and existing conditions.

Why This Is Starting to Matter More

Wildfire risk isn’t new in San Diego — but how it’s being addressed is evolving.

The focus is shifting closer to the structure itself, and that changes how homes are designed, maintained, and evaluated over time.

You’ll likely hear more about:

• defensible space
• fire-conscious landscaping
• building materials and proximity

Not all at once — but gradually, as these standards become more common.

We’re starting to see this become part of the broader conversation around homeownership in San Diego.

Not urgent. Not overwhelming. But something worth being aware of — especially if your home sits near open space or in a higher-risk area.

Source:
Garrick, David. “New San Diego Fire Prevention Rules Introduce ‘Zone Zero’ Requirements for Homeowners in High-Risk Areas.” San Diego Union-Tribune. December 30, 2025.