What Happened in San Francisco on Monday, April 20th, 2026
Yesterday in San Francisco, police responded to 92 incidents, down 2% from 94 the day before. 23 violent crimes were reported, and officers made 26 arrests.
The most common incident type was Theft & Larceny, accounting for 15 of 92 reports (16% of total). The most active neighborhood was Tenderloin with 18 incidents.
Overall activity was 35% below the 30-day average of 142 incidents per day.
Incident Categories
Yesterday, San Francisco reported incidents across 8 categories. Theft & Larceny led with 15 incidents (16% of total), followed by Assault & Violence with 15 and Administrative with 14.
Traffic & Vehicles — up 21% over the past 7 days (40 incidents this week vs 33 the prior week).
Incident Category Breakdown
Overview
Violent Crime
23 violent crimes were reported in San Francisco yesterday, accounting for 25% of all incidents. This is up 21% from the prior day.
| Time | Offense | Neighborhood | Block |
|---|---|---|---|
| 03:17 | Aggravated Assault | Tenderloin | 700 Larkin Street |
| 04:00 | Aggravated Assault | Mission | 200 Valencia Street |
| 04:11 | Weapons Offense | Bernal Heights | 3400 Mission Street |
| 05:29 | Weapons Offense | North Beach | 400 Green Street |
| 08:30 | Simple Assault | South of Market | 06Th St & Mission St |
| View All | |||
Arrests
San Francisco police made 26 arrests yesterday. 4 arrests were related to violent incidents.
Arrests accounted for 28% of all incidents. Of the 26 arrests, 7 were Drugs & Alcohol, 5 were Administrative, and 3 were Assault & Violence. This is down 28% from the 36 arrests the prior day.
| Time | Offense | Neighborhood | Block |
|---|---|---|---|
| 00:17 | Drug Violation | Tenderloin | Leavenworth St & Turk St |
| 01:08 | Traffic Violation Arrest | Hayes Valley | 400 Block of Gough Street |
| 01:40 | Burglary - Other | Outer Mission | 100 Block of Moneta Way |
| 02:22 | Drug Violation | Tenderloin | Geary St & Jones St |
| 07:07 | Drug Violation | Mission | 2900 Block of 16Th Street |
| View All | |||
Neighborhood Activity
Yesterday, incidents were reported across 24 neighborhoods in San Francisco. Tenderloin had the highest activity with 18 incidents, followed by Mission with 13 and South of Market with 9.
2 specific locations have appeared in the top 10 most active blocks for 4 or more of the last 7 days, including 100 Turk Street (5 of 7 days).
Explore all neighborhoods and their trends in San Francisco Neighborhood Safety. →
Hourly Breakdown
Activity in San Francisco yesterday peaked between 12 AM – 1 AM with 8 incidents during that hour.
Overnight (12–6 AM) saw 20 incidents, morning (6 AM–12 PM) had 24, afternoon (12–6 PM) had 28, and evening (6 PM–12 AM) had 20. Afternoon was the busiest period overall.
Mondays in San Francisco typically average 139 incidents. Yesterday's total of 92 is 47 incidents below that 8-week average (34% lower).
How Does This Compare?
The 7-day rolling average is 118.9 incidents per day, below the 30-day average of 142.1 — suggesting a quieter-than-normal stretch.
Key Patterns
Unusually Quiet for a Monday
92 incidents is 34% below the 8-week Monday average of 139. That's 47 fewer incidents than expected. This marks 5 consecutive days below the rolling average.
5 Days Below Average
San Francisco has reported below-average incident counts for 5 consecutive days. The 30-day average is 142 per day; today's 92 continues the quieter stretch. This week is at 92 incidents compared to 118 at this point last week.
Full Incident Log
This log contains all 92 incidents posted on sfgov.org on Monday, April 20th, 2026.
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