North Fair Oaks, CA— fire, flood & earthquake hazard information
North Fair Oaks is a unincorporated community in San Mateo County in the San Francisco Bay Area, covering about 1.2 square miles. This page summarizes what official government maps show for North Fair Oaks: CAL FIRE fire hazard severity zones, FEMA flood zones, state seismic hazard zones, dam inundation areas, airport noise contours, and air-quality indicators. Figures are the share of North Fair Oaks’s area that falls inside each mapped zone.
View North Fair Oaks on the interactive map → to check any specific address, free.
Wildfire hazard severity zones
CAL FIRE's current Fire Hazard Severity Zone maps do not designate any zones within North Fair Oaks. Individual properties near the boundary can still fall inside a neighboring zone — check the exact address on the map.
FEMA flood zones
less than 1% is in the 0.2% annual chance (500-year) area. Federally backed mortgages in a Special Flood Hazard Area generally require flood insurance.
| 0.2% annual chance (500-yr) | less than 1% |
Earthquake faults & seismic zones
The nearest mapped fault, the Stanford fault, is about 0.9 mi (1.4 km) from the center of North Fair Oaks. 66% of its area is in a state-designated liquefaction zone of required investigation.
| Nearest mapped fault | Stanford fault — 0.9 mi (1.4 km) |
| Liquefaction zone | 66% |
Dam inundation, aircraft noise & air quality
17% of North Fair Oaks lies within a state-reviewed dam-failure inundation area; annual average fine-particle (PM2.5) concentration across its census tracts is 7.9 μg/m³, and its composite pollution burden ranks around the 46th percentile statewide.
| Dam-failure inundation area | 17% |
| Annual PM2.5 (tract average) | 7.9 μg/m³ |
| Pollution burden percentile (statewide) | ~46 |
Frequently asked questions
- Is North Fair Oaks in a wildfire hazard severity zone?
- CAL FIRE's current Fire Hazard Severity Zone maps do not designate any zones within North Fair Oaks. Individual properties near the boundary can still fall inside a neighboring zone — check the exact address on the map.
- Is North Fair Oaks in a FEMA flood zone?
- less than 1% is in the 0.2% annual chance (500-year) area. Federally backed mortgages in a Special Flood Hazard Area generally require flood insurance.
- What earthquake faults and seismic zones affect North Fair Oaks?
- The nearest mapped fault, the Stanford fault, is about 0.9 mi (1.4 km) from the center of North Fair Oaks. 66% of its area is in a state-designated liquefaction zone of required investigation.
- How do I check a specific address in North Fair Oaks?
- Use the free sitelume interactive map at https://sitelume.com — search any North Fair Oaks address to see which mapped zones it falls in, layer by layer.
Nearby in San Mateo County
Sources: CAL FIRE Fire Hazard Severity Zones; FEMA National Flood Hazard Layer; USGS Quaternary Faults; CGS Seismic Hazard Zones & Alquist-Priolo zones; Cal OES dam inundation maps; county ALUC noise contours; CalEnviroScreen 4.0. Area shares are computed against each place’s Census TIGER boundary (last computed 2026-07-24). Boundaries and zone designations change; always verify with the issuing agency.