What Happened in San Francisco on Monday, May 18th, 2026
Yesterday in San Francisco, police responded to 99 incidents, down 1% from 100 the day before. 22 violent crimes were reported, and officers made 43 arrests.
The most common incident type was Administrative, accounting for 27 of 99 reports (27% of total). The most active neighborhood was Tenderloin with 21 incidents.
Activity was roughly in line with the 30-day average of 103 incidents per day.
Incident Categories
Yesterday, San Francisco reported incidents across 8 categories. Administrative led with 27 incidents (27% of total), followed by Assault & Violence with 18 and Theft & Larceny with 12.
Drugs & Alcohol — up 86% over the past 7 days (154 incidents this week vs 83 the prior week).
Incident Category Breakdown
Overview
Violent Crime
22 violent crimes were reported in San Francisco yesterday, accounting for 22% of all incidents. This is up 10% from the prior day.
| Time | Offense | Neighborhood | Block |
|---|---|---|---|
| 00:42 | Simple Assault | Bayview Hunters Point | 25Th St & Dakota St & Texas St |
| 02:45 | Simple Assault | Tenderloin | Eddy St & Larkin St |
| 07:35 | Aggravated Assault | Tenderloin | Jones St & Ofarrell St |
| 08:40 | Weapons Offense | Mission | 2200 Mariposa Street |
| 08:54 | Aggravated Assault | Financial District/South Beach | 100 Brannan Street |
| View All | |||
Arrests
San Francisco police made 43 arrests yesterday. 7 arrests were related to violent incidents.
Arrests accounted for 43% of all incidents. Of the 43 arrests, 13 were Administrative, 11 were Drugs & Alcohol, and 7 were Theft & Larceny. This is up 8% from the 40 arrests the prior day.
| Time | Offense | Neighborhood | Block |
|---|---|---|---|
| 00:44 | Other Offenses | West of Twin Peaks | 200 Block of Denslowe Drive |
| 01:10 | Larceny - From Vehicle | South of Market | 1100 Block of Bryant Street |
| 01:14 | Drug Violation | South of Market | 1000 Block of Folsom Street |
| 06:20 | Trespass | Potrero Hill | 1400 Block of 3Rd Street |
| 06:58 | Drug Violation | Tenderloin | 200 Block of Turk Street |
| View All | |||
Neighborhood Activity
Yesterday, incidents were reported across 24 neighborhoods in San Francisco. Tenderloin had the highest activity with 21 incidents, followed by South of Market with 19 and Mission with 11.
3 specific locations have appeared in the top 10 most active blocks for 4 or more of the last 7 days, including 3000 16Th Street (6 of 7 days).
Explore all neighborhoods and their trends in San Francisco Neighborhood Safety. →
Hourly Breakdown
Activity in San Francisco yesterday peaked between 12 PM – 1 PM with 10 incidents during that hour. The quietest period was 9am with no incidents reported.
Overnight (12–6 AM) saw 15 incidents, morning (6 AM–12 PM) had 26, afternoon (12–6 PM) had 40, and evening (6 PM–12 AM) had 18. Afternoon was the busiest period overall.
Mondays in San Francisco typically average 115 incidents. Yesterday's total of 99 is 16 incidents below that 8-week average (14% lower).
How Does This Compare?
The 7-day rolling average is 110.4 incidents per day, above the 30-day average of 103.3 — suggesting a busier-than-normal stretch.
Key Patterns
Tenderloin: Most Active for 4 Straight Days
Tenderloin has been the most active neighborhood for 4 consecutive days. Today it logged 21 incidents (21% of the city total).
Drugs & Alcohol Up 86% This Week
Drugs & Alcohol incidents have risen sharply: 154 in the past 7 days compared to 83 the prior 7 days — a 86% increase. Today alone saw 12 drugs & alcohol incidents.
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