Fire Regulations in Palo Alto, CA (2026)
3 verified fire regulations for Palo Alto, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Brush Clearance
Palo Alto enforces California PRC 4291 defensible space in its Very High Fire Hazard Severity Zone, requiring 100 feet of vegetation management with stricter rules in the inner 30-foot zone.
Palo Alto Brush Clearance Requirements
Some RestrictionsCalifornia Public Resources Code Section 4291
(a) A person who owns, leases, controls, operates, or maintains a building or structure in the state responsibility area shall at all times do all of the following: (1) (A) Maintain defensible space of 100 feet from each side and from the front and rear of the structure, but not beyond the property line, except as provided in subparagraph (B). The amount of fuel modification necessary shall con...
Wildfire Zones
Western foothill neighborhoods in Palo Alto sit in the CAL FIRE Very High Fire Hazard Severity Zone. Properties there face defensible space, ember-resistant construction, and inspection requirements under California law.
Palo Alto Wildfire Hazard Zones
Some RestrictionsCAL FIRE Fire Hazard Severity Zones (PRC 4201-4204; CCR Title 14 Section 1280; Gov Code 51175-89)
The State Fire Marshal is mandated to classify lands within State Responsibility Areas into Fire Hazard Severity Zones (FHSZ). Fire Hazard Severity Zones fall into one of the following classifications: Moderate High Very High The California laws that require Fire Hazard Severity Zones include California Public Resources Code 4201-4204, California Code of Regulations Title 14, Section 1280 and C...
Smoke Detectors
California law and Palo Alto code require working smoke alarms in every bedroom, outside each sleeping area, and on every level. CO alarms are also required with gas appliances or attached garages.
Palo Alto Smoke Detector Requirements
Some RestrictionsCalifornia Health and Safety Code Section 13113.7
(a) (1) Except as otherwise provided in this section, smoke alarms, approved and listed by the State Fire Marshal pursuant to Section 13114 at the time of installation, shall be installed, in accordance with the manufacturer's instructions in each dwelling intended for human occupancy. (2) For all dwelling units intended for human occupancy for which a building permit is issued on or after Janu...
Looking for Santa Clara County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Palo Alto city rules.
Fire Regulations in Santa Clara County →