Sea Colony Neighborhood, San Mateo
Crime Rate & Statistics
One of the safest neighborhoods — significantly below-average crime
Safer than 88% of neighborhoods in San Mateo
Safety at a Glance
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in San Mateo
Is Sea Colony Safe?
Yes — this neighborhood is extremely safe. Sea Colony in San Mateo, CA has a safety grade of A+. The overall crime index is 24, which is 76% below the national average of 100. Sea Colony is safer than 88% of neighborhoods in San Mateo.
Compared to the San Mateo average (crime index 66), Sea Colony is 42% 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, vehicle theft is the most elevated concern (index: 32, 68% below average), while burglary is the lowest risk (index: 22).
Sea Colony 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
|
25 | -75% | Low | |
|
Assault
|
25 | -75% | Low | |
|
Robbery
|
27 | -73% | Low | |
|
Rape
|
23 | -77% | Low | |
| Property Crime | ||||
|
Burglary
|
22 | -78% | Low | |
|
Larceny / Theft
|
24 | -76% | Low | |
|
Vehicle Theft
|
32 | -68% | Low | |
How Sea Colony Compares
Crime index by category: Sea Colony vs San Mateo average vs national average.
Crime by Category
Overall Crime Comparison
Sea Colony Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
Sea Colony Demographics & Context
Education
Housing
Racial Demographics
Nearby Neighborhoods
Frequently Asked Questions
What is the crime rate in Sea Colony, San Mateo?
Sea Colony in San Mateo, CA has a crime safety grade of A+ as of 2026. The overall crime index is 24, which is 76% below the national average. Compared to the San Mateo average, crime in Sea Colony is 42% lower. Sea Colony is safer than 88% of neighborhoods in San Mateo.
Is Sea Colony a safe neighborhood in San Mateo?
Sea Colony is generally considered a safe neighborhood in San Mateo, earning a crime grade of A+. The highest concern is Vehicle Theft (index: 32), while Burglary is the lowest risk (index: 22).
How does Sea Colony compare to the rest of San Mateo?
Sea Colony's overall crime index is 24, compared to the San Mateo average of 66. This means crime in Sea Colony is 42% lower than the city average. For violent crime, the index is 25, and for property crime it is 26. 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 Sea Colony?
The most prevalent crime type in Sea Colony is Vehicle Theft, with a crime index of 32 (68% 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 Sea Colony?
Nearby neighborhoods with good safety ratings include Dolphin Bay, Harbor Side, The Islands and Isle Cove. These areas are close to Sea Colony and offer lower crime rates, making them worth considering for residents who prioritize safety.
What are the demographics of Sea Colony?
Sea Colony has a population of approximately 4,129. The median household income is $170,934. The median home value is $2,221,643. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Sea Colony crime compare to the national average?
Sea Colony's overall crime rate is 76% below the national average (index 24 vs 100). Within San Mateo, it is safer than 88% 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.