West Hills vandalism rose 189% against its multi-year baseline, the strongest single signal in Los Angeles this briefing. Vandalism also moved sharply in Encino, Tarzana, and Canoga Park, all registering fresh spikes in the top five. This is the first month a vandalism cluster of this breadth has led the citywide rankings, with no persistent prior lead to displace.
Citywide volume is down 20.9% against the prior 12 months, 118,959 incidents against 150,373, a sustained and substantial reduction. The signal mix, however, is not uniformly calm: 44 spikes sit alongside 222 below-trend signals and 230 sustained-shift signals across 114 neighborhoods. Encino in particular registered two separate signals this month, other larceny and vandalism, making it the most active single neighborhood in the top five.
The citywide decline is now structurally entrenched, but September's vandalism cluster across West Hills, Encino, Tarzana, and Canoga Park is a distinct departure from that backdrop. Whether this represents a localized and temporary move or the start of a broader vandalism trend is the question October's data will begin to answer. The rest of the signal mix, 8 zero-event signals and just 1 rare-event signal, supports an otherwise steady month.
Sustained drops worth naming
Burglary ran below trend in the trailing 12 months — 26% down from the year before. Sustained shifts often precede a baseline reset; we surface them at the same prominence as spikes.
Public Analyst.ai, “September 2025 — Los Angeles,” archived snapshot.Permanent URL: /los-angeles/2025/september