94403 Zip Code, San Mateo
Crime Rate & Statistics
Above-average safety — lower crime than most zip codes
Safer than 25% of zip codes in San Mateo
Safety at a Glance
Check a specific address
in San Mateo
Is 94403 a Safe Zip Code?
Yes — this zip code is safer than most. Zip code 94403 in San Mateo, CA has a safety grade of B+. The overall crime index is 74, which is 26% below the national average of 100. This zip code is safer than 25% of zip codes in San Mateo.
Compared to the San Mateo average (crime index 66), zip code 94403 is 8% higher in overall crime. Crime levels here are roughly in line with the city average.
Looking at specific crime types, larceny / theft is the most elevated concern (index: 106, 6% above average), while burglary is the lowest risk (index: 62).
94403 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
|
81 | -19% | Average | |
|
Assault
|
103 | +3% | Moderate | |
|
Robbery
|
96 | -4% | Average | |
|
Rape
|
72 | -28% | Low | |
| Property Crime | ||||
|
Burglary
|
62 | -38% | Low | |
|
Larceny / Theft
|
106 | +6% | Moderate | |
|
Vehicle Theft
|
90 | -10% | Average | |
How 94403 Compares
Crime index by category: 94403 vs San Mateo average vs national average.
Crime by Category
Overall Crime Comparison
94403 Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
94403 Demographics & Context
Education
Housing
Racial Demographics
Other Zip Codes in San Mateo
Frequently Asked Questions
What is the crime rate in Zip code 94403, San Mateo?
Zip code 94403 in San Mateo, CA has a crime safety grade of B+ as of 2026. The overall crime index is 74, which is 26% below the national average. Compared to the San Mateo average, crime in Zip code 94403 is 8% higher. Zip code 94403 is safer than 25% of neighborhoods in San Mateo.
Is Zip code 94403 a safe neighborhood in San Mateo?
Zip code 94403 is generally considered a safe neighborhood in San Mateo, earning a crime grade of B+. The highest concern is Larceny / Theft (index: 106), while Burglary is the lowest risk (index: 62). It is one of the safest neighborhoods in San Mateo.
How does Zip code 94403 compare to the rest of San Mateo?
Zip code 94403's overall crime index is 74, compared to the San Mateo average of 66. This means crime in Zip code 94403 is 8% higher than the city average. For violent crime, the index is 88, and for property crime it is 86. 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 Zip code 94403?
The most prevalent crime type in Zip code 94403 is Larceny / Theft, with a crime index of 106 (6% above the national average). Violent crime is a particular concern in this neighborhood relative to property crime.
What are safer neighborhoods near Zip code 94403?
Nearby neighborhoods with good safety ratings include 94402, 94404 and 94401. These areas are close to Zip code 94403 and offer lower crime rates, making them worth considering for residents who prioritize safety.
What are the demographics of Zip code 94403?
Zip code 94403 has a population of approximately 41,868. The median household income is $128,117. The median home value is $1,657,905. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Zip code 94403 crime compare to the national average?
Zip code 94403's overall crime rate is 26% below the national average (index 74 vs 100). Within San Mateo, it is safer than 25% 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.