Defensible Space / PRC 4291

100 Feet of Defensible Space is the Law

In January 2005 a new state law became effective that extended the defensible space clearance around homes and structures from 30 feet to 100 feet. Proper clearance to 100 feet dramatically increases the chance of your house surviving a wildfire. This defensible space also provides for firefighter safety when protecting homes during a wildland fire.


Learn How You Can Create Defensible Space Around Your Home

  • Why 100 Feet Flyer* (PDF) (Coming soon)
  • Why 100 Feet Brochure* (PDF) (Coming soon)
  • Homeowners Checklist* (PDF) (Coming soon)

    *Notice: It is important to check with your local fire jurisdiction to determine the law in your area.

More Information

  • PRC 4291
  • Govt Code 51182
  • California Living Fire Safe Video (Coming soon)
  • Defensible Space Photo Album (Coming soon)
  • Defensible Space Guidelines (Coming soon)

Defensible Space Movies and Song

  • CAL FIRE Inspects for Defensible Space - CAL FIRE TV takes a look at the steps homeowners should take to increase the chance of their home surviving a wildfire. CAL FIRE Inspectors and Firefighters make sure homeowners have good Defensible Space around their homes.
    Published: April 22, 2009

Defensible Space Billboards

As part of its ongoing Defensible Space Campaign, CAL FIRE now has billboard space in Southern California (Inland Empire) courtesy of Lamar Advertising. The company donated the space and will move the boards to various sites depending upon demand by paying customers. This will get the Why 100 feet? campaign out to those stuck in traffic.