Natural Disaster Risk in Larkspur

Natural Hazard Profile: Larkspur, California

Larkspur is a town of roughly 7,315 residents in Marin County, in the western mountain region near the Pacific Coast. The area experiences dry summers and mild, wet winters with pronounced drought cycles, with a critical fire season from late summer through fall shaping the pattern of natural hazards that residents encounter. Understanding the local risk profile is essential for anyone living in, moving to, or owning property in Larkspur.

FEMA rates Larkspur's composite natural disaster risk at 5.6 out of 10 — moderate risk. The risk of coastal inundation tops the local hazard profile, with the area exposed to storm surge, tidal flooding, and wave action during major coastal storm events. Residents should also account for earthquake and landslide risk in their preparedness planning.

Larkspur's risk score, near the 5.9/10 state average and above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Marin County, the highest-scoring are coastal flood, earthquake, and landslide. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

With a moderate risk rating, Larkspur residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for coastal flood is recommended.