Large portions of unincorporated LA County are designated Very High Fire Hazard Severity Zones (VHFHSZ), including Altadena, Topanga, and mountain communities. CalFire manages State Responsibility Areas. Defensible space (100 ft per PRC 4291) and brush clearance requirements are strictly enforced.
Large portions of unincorporated LA County are designated Very High Fire Hazard Severity Zones (VHFHSZ) by CAL FIRE and LA County Fire Department. These include the Santa Monica Mountains, San Gabriel Mountain foothills, Malibu-area communities, and other hillside areas. Properties in VHFHSZs must comply with enhanced building standards (Chapter 7A of CA Building Code) including fire-resistant roofing, exterior walls, vents, and decking. New construction requires a Fire Protection Plan. Real estate sellers must disclose VHFHSZ status. Insurance availability and cost are significantly affected.
Building in a VHFHSZ without compliant fire-resistant materials violates the CA Building Code Chapter 7A. Permits will not be issued for non-compliant construction. Existing structures undergoing major renovation (over 50% of value) must be brought into compliance. Failure to maintain defensible space in VHFHSZs carries heightened penalties including fines up to $1,000 and county-performed clearance at owner's expense.
Topanga, CA
Garage conversions to ADUs in unincorporated Topanga are governed by LA County Code Title 22 §22.140.640 and California Government Code §65852.2. No replacem...
Topanga, CA
Topanga is an unincorporated CDP in Los Angeles County governed by LA County Code Title 22 §22.140.640 (Accessory Dwelling Units and Junior Accessory Dwellin...
Los Angeles County, CA
The 2022 LA County Curb Management Strategy prioritizes pickup and dropoff over parking and loading in commercial corridors. DPW retrofits curb zones using a...
Los Angeles County, CA
LA County Code Title 12.84 bans expanded polystyrene takeout containers at unincorporated-area food businesses. California AB-1201 sets ASTM compostability l...
Los Angeles County, CA
LA County Code Title 12.84 (Ord. 2008-0006) bans expanded polystyrene foam cups at all county facilities and food vendors operating on county property. Calif...
Los Angeles County, CA
California AB-1276 prohibits restaurants and food vendors from automatically providing single-use foodware accessories. Utensils, straws, condiments, and sti...
Side-by-side rule comparisons with other cities in Los Angeles County.
See how other cities in Los Angeles County handle wildfire zones.
See how Topanga's wildfire zones rules stack up against other locations.
Help us keep this page accurate. If you notice an error or outdated information, let us know.