West Menlo Park, CA— fire, flood & earthquake hazard information
West Menlo Park is a unincorporated community in San Mateo County in the San Francisco Bay Area, covering about 0.5 square miles. This page summarizes what official government maps show for West Menlo Park: 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 West Menlo Park’s area that falls inside each mapped zone.
View West Menlo Park 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 West Menlo Park. Individual properties near the boundary can still fall inside a neighboring zone — check the exact address on the map.
FEMA flood zones
FEMA's National Flood Hazard Layer does not map any Special Flood Hazard Areas within West Menlo Park. Unmapped does not mean flooding cannot occur — it means no zone is currently designated.
Earthquake faults & seismic zones
The Pulgas fault crosses West Menlo Park. 1 named fault trace in the USGS Quaternary fault database cross its boundary. 1% of its area is in a state-designated liquefaction zone of required investigation.
| Nearest mapped fault | Pulgas fault — 0.0 mi (0.0 km) |
| Named fault traces crossing boundary | 1 |
| Liquefaction zone | 1% |
Dam inundation, aircraft noise & air quality
12% of West Menlo Park lies within a state-reviewed dam-failure inundation area; annual average fine-particle (PM2.5) concentration across its census tracts is 8.1 μg/m³, and its composite pollution burden ranks around the 28th percentile statewide.
| Dam-failure inundation area | 12% |
| Annual PM2.5 (tract average) | 8.1 μg/m³ |
| Pollution burden percentile (statewide) | ~28 |
Frequently asked questions
- Is West Menlo Park in a wildfire hazard severity zone?
- CAL FIRE's current Fire Hazard Severity Zone maps do not designate any zones within West Menlo Park. Individual properties near the boundary can still fall inside a neighboring zone — check the exact address on the map.
- Is West Menlo Park in a FEMA flood zone?
- FEMA's National Flood Hazard Layer does not map any Special Flood Hazard Areas within West Menlo Park. Unmapped does not mean flooding cannot occur — it means no zone is currently designated.
- What earthquake faults and seismic zones affect West Menlo Park?
- The Pulgas fault crosses West Menlo Park. 1 named fault trace in the USGS Quaternary fault database cross its boundary. 1% of its area is in a state-designated liquefaction zone of required investigation.
- How do I check a specific address in West Menlo Park?
- Use the free sitelume interactive map at https://sitelume.com — search any West Menlo Park 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.