District 3 — Union Square, Chinatown, North Beach, and the Financial District — logged 115 public graffiti 311 requests in the week ending March 27, 2026. The 12-week average for that same metric? Thirteen. That's not a rounding error. That's an 885% spike, statistically flagged as a significant anomaly, and the highest single-week graffiti count in the comparison window going back to late 2025.

It Wasn't Just Public Property

Private property graffiti followed the same pattern: 58 reports in that same week, against a 12-week average of just 7. Both signals fired simultaneously, which rules out a data artifact or a single large building getting tagged. This was a broad, neighborhood-wide surge in graffiti activity — the kind that tends to follow large public events, organized tagging crews, or a breakdown in deterrence. Streetlight outage reports in District 3 also spiked that week (17 vs. an average of 2), which may or may not be coincidental.

What It Means for Residents

For anyone who walks through Union Square, Chinatown, or North Beach regularly, this is the kind of thing you notice before the data catches up. Graffiti in commercial corridors signals disorder, depresses foot traffic, and — if not cleaned quickly — tends to invite more. The city's Public Works department is the primary responder for public graffiti; their average response time in District 3 has been running around 2–3 days. With 115 requests in a single week, the backlog math is not great.

Context

District 3's graffiti 311 volume had been running relatively flat through early 2026 — typically 10–20 public graffiti requests per week. The March 27 week represents a clear break from that baseline. Whether it's a one-week anomaly or the start of a trend will be visible in the next two weeks of data. Either way, it's the kind of signal that warrants a closer look at what was happening on the ground in downtown SF that week.