The Islands Neighborhood, San Mateo
Crime Rate & Statistics
One of the safest neighborhoods — significantly below-average crime
Safer than 85% of neighborhoods in San Mateo
Safety at a Glance
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in San Mateo
Is The Islands Safe?
Yes — this neighborhood is extremely safe. The Islands 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. The Islands is safer than 85% of neighborhoods in San Mateo.
Compared to the San Mateo average (crime index 66), The Islands 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, larceny / theft is the most elevated concern (index: 57, 43% below average), while murder is the lowest risk (index: 21).
The Islands 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
|
21 | -79% | Low | |
|
Assault
|
29 | -71% | Low | |
|
Robbery
|
41 | -59% | Low | |
|
Rape
|
25 | -75% | Low | |
| Property Crime | ||||
|
Burglary
|
38 | -62% | Low | |
|
Larceny / Theft
|
57 | -43% | Low | |
|
Vehicle Theft
|
28 | -72% | Low | |
How The Islands Compares
Crime index by category: The Islands vs San Mateo average vs national average.
Crime by Category
Overall Crime Comparison
The Islands Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
The Islands Demographics & Context
Education
Housing
Racial Demographics
Nearby Neighborhoods
Frequently Asked Questions
What is the crime rate in The Islands, San Mateo?
The Islands 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 The Islands is 48% lower. The Islands is safer than 85% of neighborhoods in San Mateo.
Is The Islands a safe neighborhood in San Mateo?
The Islands is generally considered a safe neighborhood in San Mateo, earning a crime grade of A+. The highest concern is Larceny / Theft (index: 57), while Murder is the lowest risk (index: 21).
How does The Islands compare to the rest of San Mateo?
The Islands's overall crime index is 18, compared to the San Mateo average of 66. This means crime in The Islands is 48% lower than the city average. For violent crime, the index is 29, and for property crime it is 41. 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 The Islands?
The most prevalent crime type in The Islands is Larceny / Theft, with a crime index of 57 (43% below the national average). Overall, property crime is more prevalent than violent crime in this neighborhood, which is consistent with national trends.
What are safer neighborhoods near The Islands?
Nearby neighborhoods with good safety ratings include Harbor Side, Isle Cove, Marina Point and Treasure Isle. These areas are close to The Islands and offer lower crime rates, making them worth considering for residents who prioritize safety.
What are the demographics of The Islands?
The Islands has a population of approximately 1,887. The median household income is $155,959. The median home value is $1,569,465. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does The Islands crime compare to the national average?
The Islands's overall crime rate is 82% below the national average (index 18 vs 100). Within San Mateo, it is safer than 85% 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.