riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Santa Barbara County Disaster Risk

Santa Barbara County, California

FEMA Risk Rating

Relatively High

National Percentile

99th

of 3,144 counties

State Rank

#14

of 58 (1 = highest risk)

Flood Risk

99th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively High

Higher than 99% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively High

Higher than 99% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 5% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively High

Higher than 99% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 0% of US counties

Risk Overview

About Natural Disaster Risk in Santa Barbara County, California

Santa Barbara faces very high disaster risk

Santa Barbara County's composite risk score of 98.98 places it firmly above the national average with a 'Relatively High' rating. The county confronts serious exposure to multiple natural hazards, with particularly acute wildfire and earthquake threats.

Among the state's most vulnerable counties

Santa Barbara's 98.98 score significantly exceeds California's 88.72 average, marking it as one of the state's highest-risk counties. The county's coastal position and mountainous terrain combine to amplify hazard exposure.

Wildfire risk exceeds nearby counties

Santa Barbara (98.98) faces notably higher wildfire risk (99.20) than most neighboring coastal counties, though comparable overall risk to San Luis Obispo and Ventura. The county's chaparral-covered hillsides create particularly acute fire conditions during drought seasons.

Wildfires and earthquakes dominate here

Wildfire risk reaches 99.20 in Santa Barbara—among California's absolute highest—while earthquake risk scores 99.36, threatening infrastructure and homes countywide. Flood risk (98.63) completes a triple threat, with coastal and foothill residents at particular vulnerability.

Wildfire and earthquake insurance non-negotiable

Santa Barbara residents must secure standalone wildfire and earthquake insurance, as standard homeowners policies exclude both. Given the county's 99.20 wildfire risk, defensible space maintenance and evacuation planning are equally critical to insurance coverage.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Santa Barbara County

Top Hazards by Exposure

  1. #1
    EarthquakePrepare
    99th percentile
  2. #2
    WildfirePrepare
    99th percentile
  3. #3
    FloodPrepare
    99th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Santa Barbara County

Risk Verdict

Santa Barbara County carries an elevated natural disaster risk burden, scoring at the 99th percentile nationally under FEMA's risk model. This risk level calls for more than general awareness: insurance coverage review, a family communication plan, and a prepared go-bag are practical priorities.

Hazard Breakdown

Earthquake risk is Santa Barbara County's dominant natural hazard, ranked at the 99th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 99th percentile nationally. Additional tracked hazards include flood (99th percentile), tornado (5th percentile), hurricane (0th percentile).

Preparedness Context

Earthquake risk is Santa Barbara County's leading natural hazard, ranked at the 99th percentile nationally. Securing tall furniture, water heaters, and bookcases to walls with anti-tip hardware is among the simplest and most effective life-safety measures households can take. Wildfire at the 99th percentile nationally is a separate hazard dimension for Santa Barbara County that requires different protective strategies from earthquake preparedness. Santa Barbara County residents should locate the main gas shutoff valve and keep an appropriate wrench nearby — gas leaks cause a significant share of earthquake-related injuries and fires, and the shutoff step is safe to take immediately after shaking stops.

Regional Context

Santa Barbara County's composite risk score sits 10.3 points above the California county average, placing it among the more hazard-exposed counties in the state.

Is your household prepared for Santa Barbara County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Santa Barbara County, CA?
Santa Barbara County has a FEMA National Risk Index rating of Relatively High, placing it in the 99th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.
What types of natural hazards affect Santa Barbara County?
Santa Barbara County is evaluated for five major natural hazard types: earthquake (99th percentile), wildfire (99th percentile), flooding (99th percentile), tornado (5th percentile), hurricane (0th percentile). The highest-risk hazard is earthquake at the 99th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.
How does Santa Barbara County risk compare to the California average?
Santa Barbara County's composite risk percentile is 99th, compared to the California state average of 89th percentile. The state's overall risk rating is Relatively Moderate. This means Santa Barbara County faces higher natural disaster risk than the typical county in California.
Is Santa Barbara County at risk for earthquake?
Yes, Santa Barbara County's earthquake risk is at the 99th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Santa Barbara County is at the 99th percentile.
How is natural disaster risk measured?
FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.
Why is Santa Barbara County higher risk than average?
Santa Barbara County's composite risk score of 99th percentile is above the California state average of 89th percentile. This elevated risk is driven by earthquake exposure (99th percentile), along with wildfire and flooding risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

Data Source

Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.

Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.