Sources and dates

Bay Area
data coverage.

3 published record sources and 5 annual source, area, and period tables are available here. Each keeps its own geography, dates, and counting unit.

This is an independent presentation of public data, not an official police service or a real-time alert feed.

Marin County Sheriff reported crimes

Marin County Sheriff's Office

An import date is not an incident date or a promise of a live feed. offense records are counted using this source’s definitions.

Source coverage notes

Partial Bay Area coverage, limited to the sheriff's published jurisdictions, not all Marin police agencies.
Street address is excluded and coordinates are coarsened.

San Jose Police Department

An import date is not an incident date or a promise of a live feed. calls for service are counted using this source’s definitions.

Source coverage notes

Despite its name, OFFENSE_DATE is defined by the publisher as the date the call center receives the event. Label as received/reported calls, not crime occurrence.
Calls for service are not confirmed crimes; the annual resource contains 2026 only.
ADDRESS is documented by the publisher as the 100 block; UNHOUSED and disposition/person-sensitive fields are excluded.
Partial Bay Area coverage: San Jose calls only.

San Francisco Police Department

An import date is not an incident date or a promise of a live feed. report offense records are counted using this source’s definitions.

Source coverage notes

Several offense rows can belong to one police report.
The source includes non-criminal reports, warrants, and recovered property; totals must not all be labeled crimes.
Bay Area coverage is partial; this source covers San Francisco only.

Published years: 2025. Annual figures are kept separate from individual record feeds. Individual agency tables and regional totals can overlap.