Charges & Eligibility

What Qualifies as a Controlled Substance in California?

Published January 22, 2020 Updated August 18, 2026By Armstrong Bail Bonds

A controlled substance is any drug listed in California's five schedules, set out at Health and Safety Code sections 11054 through 11058 and largely tracking the federal Controlled Substances Act. Schedule I is the most restricted; Schedule V the least. Which schedule a substance sits in determines which possession statute applies, and that in turn drives the charge level and the scheduled bail.

The five schedules

ScheduleGeneral descriptionExamples
INo accepted medical use in the federal framework, high abuse potentialHeroin, LSD, MDMA, peyote
IIAccepted medical use, high abuse potentialCocaine, methamphetamine, oxycodone, fentanyl
IIIModerate potential for dependenceKetamine, anabolic steroids, some codeine combinations
IVLower potentialBenzodiazepines such as diazepam and alprazolam, zolpidem
VLowest potentialCertain low-dose codeine preparations

Cannabis occupies its own track in California following Proposition 64 and is not treated like a Schedule I street drug for adult possession purposes, even though the federal scheduling picture differs.

Why the schedule drives the charge

  • HS 11350 covers simple possession of certain Schedule I through V substances, including opiates and cocaine.
  • HS 11377 covers possession of specified controlled substances including methamphetamine.
  • Possession for sale, transportation, and manufacturing are separate and far heavier statutes.
  • A prescription is a defense to possession of a scheduled pharmaceutical — the pills are only contraband when they are not lawfully yours.

Our HS 11350 vs HS 11377 guide covers the two possession statutes and their bail treatment in detail.

Prop 47, Prop 36, and where possession sits now

Proposition 47 made simple possession under both statutes a misdemeanor for most defendants in 2014. Proposition 36, passed in 2024, created a treatment-mandated felony option for defendants with qualifying prior drug convictions, pairing felony exposure with a treatment track. See Prop 47 for the full picture and diversion programs for the off-ramps.

Common Questions

Where are California's controlled substance schedules found?
Health and Safety Code sections 11054 through 11058 list Schedules I through V.
Is simple possession a felony in California?
For most defendants it is a misdemeanor after Proposition 47. Proposition 36 added a treatment-mandated felony option for defendants with qualifying priors.
Do prescription drugs count?
Yes, when possessed without a valid prescription. Many common prescriptions are Schedule II through IV substances.
Is fentanyl treated differently?
Fentanyl is a Schedule II controlled substance, and California has added enhancements in sales and trafficking contexts. Simple possession still runs through the ordinary possession statutes.

Sources checked

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