Cal. Codes » Penal Code / PART 1. OF CRIMES AND PUNISHMENTS / TITLE 7. OF CRIMES AGAINST PUBLIC JUSTICE / CHAPTER 11. Street Terrorism Enforcement and Prevention Act
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Cal. Penal Code § 186.20 (2026)

✓ current as of May 2026
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This chapter shall be known and may be cited as the “California Street Terrorism Enforcement and Prevention Act.”

Notes of Decisions
Cited in 37 cases (11 in the last 5 years), 1990–2026 · leading case: People v. Albillar, 244 P.3d 1062 (Cal. 2010).
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People v. Albillar, 244 P.3d 1062 (Cal. 2010). · cites it 3× “22(b)(1), which are part of the California Street Terrorism Enforcement and Prevention Act (STEP Act; Pen. Code, § 186.20 et seq.). I THE SUFFICIENCY OF THE EVIDENCE SUPPORTING THE SUBSTANTIVE GANG OFFENSE (§ 186.”
People Ex Rel. Gallo v. Acuna, 929 P.2d 596 (Cal. 1997). · cites it 6× “Claim That the STEP Act Is the Exclusive Means of Abating Gang Behavior as a Public Nuisance (14) Defendants contend that the STEP Act (Pen. Code, § 186.20 et seq.) is the exclusive means of enjoining criminal street gangs and preempts use of the general public nuisance statutes.”
People v. Sanchez, 374 P.3d 320 (Cal. 2016). “22, subdivisions (a) and (b). 2 Penal Code section 667.”
Manduley v. Superior Court, 41 P.3d 3 (Cal. 2002). · cites it 2× “) Sections 3 through 10 amend the Street Terrorism Enforcement and Prevention (STEP) Act (Pen.Code, § 186.20 et seq.), which addresses the problem of violent street gangs.”
People v. Renteria, 515 P.3d 77 (Cal. 2022). · cites it 2× “) As particularly relevant to the issues addressed in this opinion, Assembly Bill 333 also includes a provision stating that, as used in the Street Terrorism Enforcement and Prevention Act (Pen. Code, § 186.20 et seq.), “to benefit, promote, further, or assist means to provide a…”
People v. Mesa, 277 P.3d 743 (Cal. 2012). · cites it 2× “(Pen. Code, § 186.20 et seq.; all statutory references are to the Pen.”
People v. Valencia, 489 P.3d 700 (Cal. 2021). “The STEP Act In 1988, the Legislature enacted the California Street Terrorism Enforcement and Prevention Act (STEP Act or Act; Pen. Code, § 186.20 et seq.) to eradicate “criminal activity by street gangs.”
People v. Prunty, 355 P.3d 480 (Cal. 2015). “Penal Code section 186.20 et seq., also known as the California Street Terrorism Enforcement and Prevention Act (the STEP Act or *67 Act), was enacted in 1988 to combat a dramatic increase in gang-related crimes and violence.”
People v. Ware, 520 P.3d 601 (Cal. 2022). “(Pen. Code, § 186.20 et seq.; see, e.g., People v.”
People v. Quang Minh Tran, 253 P.3d 239 (Cal. 2011). “The California Street Terrorism Enforcement and Prevention Act (the STEP Act; Pen. Code, § 186.20 et seq.) 1 criminalizes active participation in a criminal street gang (§ 186.”
People v. Gardeley, 927 P.2d 713 (Cal. 1996). “(Pen. Code, § 186.20 et seq.) Underlying the STEP Act was the Legislature’s recognition that “California is in a state of crisis which has been caused by violent street gangs whose members threaten, terrorize, and commit a multitude of crimes against the peaceful citizens of…”
Medina v. Hillshore Partners, 95 Cal. Daily Op. Serv. 8890 (Cal. Ct. App. 1995). · cites it 4× “22a provides in pertinent part: "(a) Every building or place used by members of a criminal street gang for the purpose of the commission of ... any offense involving dangerous or deadly weapons, burglary, or rape, and every building or place wherein or upon which that criminal…”
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