Dolphin Bay Neighborhood, San Mateo
Crime Rate & Statistics
One of the safest neighborhoods — significantly below-average crime
Safer than 97% of neighborhoods in San Mateo
Safety at a Glance
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in San Mateo
Is Dolphin Bay Safe?
Yes — this neighborhood is extremely safe. Dolphin Bay in San Mateo, CA has a safety grade of A+. The overall crime index is 18, which is 82% below the national average of 100. Dolphin Bay is safer than 97% of neighborhoods in San Mateo.
Compared to the San Mateo average (crime index 66), Dolphin Bay is 48% lower in overall crime. This neighborhood is significantly safer than San Mateo as a whole, making it an attractive option for safety-conscious residents.
Looking at specific crime types, rape is the most elevated concern (index: 62, 38% below average), while burglary is the lowest risk (index: 14).
Dolphin 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
|
22 | -78% | Low | |
|
Assault
|
19 | -81% | Low | |
|
Robbery
|
59 | -41% | Low | |
|
Rape
|
62 | -38% | Low | |
| Property Crime | ||||
|
Burglary
|
14 | -86% | Low | |
|
Larceny / Theft
|
29 | -71% | Low | |
|
Vehicle Theft
|
33 | -67% | Low | |
How Dolphin Bay Compares
Crime index by category: Dolphin Bay vs San Mateo average vs national average.
Crime by Category
Overall Crime Comparison
Dolphin 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
Dolphin Bay Demographics & Context
Education
Housing
Racial Demographics
Nearby Neighborhoods
Frequently Asked Questions
What is the crime rate in Dolphin Bay, San Mateo?
Dolphin Bay in San Mateo, CA has a crime safety grade of A+ as of 2026. The overall crime index is 18, which is 82% below the national average. Compared to the San Mateo average, crime in Dolphin Bay is 48% lower. Dolphin Bay is safer than 97% of neighborhoods in San Mateo.
Is Dolphin Bay a safe neighborhood in San Mateo?
Dolphin Bay is generally considered a safe neighborhood in San Mateo, earning a crime grade of A+. The highest concern is Rape (index: 62), while Burglary is the lowest risk (index: 14). It is one of the safest neighborhoods in San Mateo.
How does Dolphin Bay compare to the rest of San Mateo?
Dolphin Bay's overall crime index is 18, compared to the San Mateo average of 66. This means crime in Dolphin Bay is 48% lower than the city average. For violent crime, the index is 41, and for property crime it is 25. 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 Dolphin Bay?
The most prevalent crime type in Dolphin Bay is Rape, with a crime index of 62 (38% below the national average). Violent crime is a particular concern in this neighborhood relative to property crime.
What are safer neighborhoods near Dolphin Bay?
Nearby neighborhoods with good safety ratings include Sea Colony, Harbor Side, Isle Cove and The Islands. These areas are close to Dolphin Bay and offer lower crime rates, making them worth considering for residents who prioritize safety.
What are the demographics of Dolphin Bay?
Dolphin Bay has a population of approximately 3,034. The median household income is $159,005. The median home value is $2,205,876. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Dolphin Bay crime compare to the national average?
Dolphin Bay's overall crime rate is 82% below the national average (index 18 vs 100). Within San Mateo, it is safer than 97% of neighborhoods. 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.