Emerald Bay Neighborhood, San Mateo
Crime Rate & Statistics
Elevated crime — noticeably above the national average
Safety at a Glance
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in San Mateo
Is Emerald Bay Safe?
No — crime is noticeably above average here. Emerald Bay in San Mateo, CA has a safety grade of D+. The overall crime index is 189, which is 89% above the national average of 100.
Compared to the San Mateo average (crime index 66), Emerald Bay is 123% higher in overall crime. Residents and visitors should exercise extra caution in this area, particularly after dark.
Looking at specific crime types, murder is the most elevated concern (index: 186, 86% above average), while robbery is the lowest risk (index: 15). Violent crime is a particular area of concern relative to property crime in this neighborhood.
Emerald Bay Crime Breakdown
Crime indices compared to national average (100) and San Mateo city average. Higher values mean more crime.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
186 | +86% | High | |
|
Assault
|
183 | +83% | High | |
|
Robbery
|
15 | -85% | Low | |
|
Rape
|
176 | +76% | High | |
| Property Crime | ||||
|
Burglary
|
29 | -71% | Low | |
|
Larceny / Theft
|
20 | -80% | Low | |
|
Vehicle Theft
|
173 | +73% | High | |
How Emerald Bay Compares
Crime index by category: Emerald Bay vs San Mateo average vs national average.
Crime by Category
Overall Crime Comparison
Emerald Bay Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
Emerald Bay Demographics & Context
Education
Housing
Racial Demographics
Nearby Neighborhoods
Frequently Asked Questions
What is the crime rate in Emerald Bay, San Mateo?
Emerald Bay in San Mateo, CA has a crime safety grade of D+ as of 2026. The overall crime index is 189, which is 89% above the national average. Compared to the San Mateo average, crime in Emerald Bay is 123% higher.
Is Emerald Bay a safe neighborhood in San Mateo?
Emerald Bay has elevated crime levels with a safety grade of D+. Extra caution is recommended, especially at night. The highest concern is Murder (index: 186), while Robbery is the lowest risk (index: 15).
How does Emerald Bay compare to the rest of San Mateo?
Emerald Bay's overall crime index is 189, compared to the San Mateo average of 66. This means crime in Emerald Bay is 123% higher than the city average. For violent crime, the index is 140, and for property crime it is 74. However, crime can vary block by block, so checking the crime map for specific streets is recommended.
What type of crime is most common in Emerald Bay?
The most prevalent crime type in Emerald Bay is Murder, with a crime index of 186 (86% above the national average). Violent crime is a particular concern in this neighborhood relative to property crime.
What are safer neighborhoods near Emerald Bay?
Nearby neighborhoods with good safety ratings include Isle Cove, Lakeshore, Mariner's Isle and The Islands. These areas are close to Emerald Bay and offer lower crime rates, making them worth considering for residents who prioritize safety.
What are the demographics of Emerald Bay?
Emerald Bay has a population of approximately 8. The median household income is $132,832. The median home value is $1,010,932. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Emerald Bay crime compare to the national average?
Emerald Bay's overall crime rate is 89% above the national average (index 189 vs 100). For the most accurate picture, review the per-crime-type breakdown above, as some categories may differ significantly from the overall trend.
Crime data sourced from FBI UCR reports and local law enforcement agencies. Crime indices use 100 as the national average. Updated April 2026.