Combined Violent and Property Crime Offenses Known to Law Enforcement in San Mateo County, CA was 3215.00000 Known Incidents in January of 2020, according to the United States Federal Reserve. Historically, Combined Violent and Property Crime Offenses Known to Law Enforcement in San Mateo County, CA reached a record high of 3569.00000 in January of 2019 and a record low of 1830.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Combined Violent and Property Crime Offenses Known to Law Enforcement in San Mateo County, CA - last updated from the United States Federal Reserve on May of 2024.