What Happened in San Francisco on Saturday, January 31st, 2026
Yesterday in San Francisco, police responded to 156 incidents, down 20% from 195 the day before. 20 violent crimes were reported, and officers made 42 arrests.
The most common incident type was Administrative, accounting for 60 of 156 reports (38% of total). The most active neighborhood was Tenderloin with 21 incidents.
Activity was roughly in line with the 30-day average of 164 incidents per day.
Incident Categories
Yesterday, San Francisco reported incidents across 8 categories. Administrative led with 60 incidents (38% of total), followed by Theft & Larceny with 34 and Assault & Violence with 15.
Sex Offenses — up 143% over the past 7 days (17 incidents this week vs 7 the prior week).
Incident Category Breakdown
What's in “Administrative”?
Overview
Violent Crime
20 violent crimes were reported in San Francisco yesterday, accounting for 13% of all incidents. This is down 17% from the prior day.
| Time | Offense | Neighborhood | Block |
|---|---|---|---|
| 00:30 | Aggravated AssaultViolent | Mission | — |
| 04:00 | Robbery - OtherViolent | South of Market | — |
| 04:10 | Simple AssaultViolent | Mission | — |
| 05:18 | Aggravated AssaultViolent | Bayview Hunters Point | — |
| 05:27 | Simple AssaultViolent | Tenderloin | — |
| View All | |||
Arrests
San Francisco police made 42 arrests yesterday. 3 arrests were related to violent incidents.
Arrests accounted for 27% of all incidents. Of the 42 arrests, 17 were Administrative, 7 were Drugs & Alcohol, and 5 were Traffic & Vehicles. This is up 2% from the 41 arrests the prior day.
| Time | Offense | Category | Neighborhood |
|---|---|---|---|
| 00:01 | Vandalism | Vandalism & Destruction | South of Market |
| 02:10 | Warrant | Administrative | Tenderloin |
| 05:18 | Aggravated Assault | Assault & ViolenceViolent | Bayview Hunters Point |
| 08:05 | Drug Violation | Drugs & Alcohol | Mission |
| 08:07 | Other | Administrative | Haight Ashbury |
| View All | |||
Neighborhood Activity
Yesterday, incidents were reported across 35 neighborhoods in San Francisco. Tenderloin had the highest activity with 21 incidents, followed by South of Market with 20 and Mission with 18.
1 specific location has appeared in the top 10 most active blocks for 4 or more of the last 7 days, including Unknown (6 of 7 days).
Explore all neighborhoods and their trends in San Francisco Neighborhood Safety. →
Hourly Breakdown
Activity in San Francisco yesterday peaked between 5 PM – 6 PM with 16 incidents during that hour.
Overnight (12–6 AM) saw 27 incidents, morning (6 AM–12 PM) had 32, afternoon (12–6 PM) had 53, and evening (6 PM–12 AM) had 44. Afternoon was the busiest period overall.
Saturdays in San Francisco typically average 160 incidents. Yesterday's total of 156 is 4 incidents below that 8-week average (2% lower).
How Does This Compare?
The 7-day rolling average is 169.0 incidents per day, above the 30-day average of 164.1 — suggesting a busier-than-normal stretch.
Key Patterns
Sex Offenses Up 143% This Week
Sex Offenses incidents have risen sharply: 17 in the past 7 days compared to 7 the prior 7 days — a 143% increase.
Full Incident Log
This log contains all 156 incidents reported to the sfgov.org on Saturday, January 31st, 2026. Published Sunday, February 1st, 2026.
Get the daily briefing
Free, every morning.