Knapp Neighborhood, San Mateo
Last updated: June 5, 2026
Crime Rate & Statistics
Very safe neighborhood — well below-average crime rates
Summary: Knapp, San Mateo Crime Rate (2026)
Knapp in San Mateo, CA has a crime safety grade of A as of 2026. The overall crime index is 19, which is 81% below the national average.
Data source: FBI UCR & local law enforcement data. Last updated: June 5, 2026.
Safety at a Glance
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in San Mateo
Is Knapp Safe?
Yes — this neighborhood is very safe. Knapp in San Mateo, CA has a safety grade of A. The overall crime index is 19, which is 81% below the national average of 100.
Compared to the San Mateo average (crime index 66), Knapp is 47% 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, assault is the most elevated concern (index: 112, 12% above average), while rape is the lowest risk (index: 21).
Knapp 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
|
34 | -66% | Low | |
|
Assault
|
112 | +12% | Moderate | |
|
Robbery
|
85 | -15% | Average | |
|
Rape
|
21 | -79% | Low | |
| Property Crime | ||||
|
Burglary
|
33 | -67% | Low | |
|
Larceny / Theft
|
100 | 0% | Average | |
|
Vehicle Theft
|
108 | +8% | Moderate | |
How Knapp Compares
Crime index by category: Knapp vs San Mateo average vs national average.
Crime by Category
Overall Crime Comparison
Knapp Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
Knapp Demographics & Context
Education
Housing
Racial Demographics
Nearby Neighborhoods
Frequently Asked Questions
What is the crime rate in Knapp, San Mateo?
Knapp in San Mateo, CA has a crime safety grade of A as of 2026. The overall crime index is 19, which is 81% below the national average. Compared to the San Mateo average, crime in Knapp is 47% lower.
Is Knapp a safe neighborhood in San Mateo?
Knapp is generally considered a safe neighborhood in San Mateo, earning a crime grade of A. The highest concern is Assault (index: 112), while Rape is the lowest risk (index: 21).
How does Knapp compare to the rest of San Mateo?
Knapp's overall crime index is 19, compared to the San Mateo average of 66. This means crime in Knapp is 47% lower than the city average. For violent crime, the index is 63, and for property crime it is 80. 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 Knapp?
The most prevalent crime type in Knapp is Assault, with a crime index of 112 (12% above 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 Knapp?
Nearby neighborhoods with good safety ratings include Westwood Knolls, Beresford Manor, Fiesta Gardens and San Mateo Terrace. These areas are close to Knapp and offer lower crime rates, making them worth considering for residents who prioritize safety.
What are the demographics of Knapp?
Knapp has a population of approximately 112. The median household income is $178,704. The median home value is $1,923,993. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Knapp crime compare to the national average?
Knapp's overall crime rate is 81% below the national average (index 19 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 June 2026.