Are magic mushrooms legal in San Diego?

No. Magic mushrooms are illegal in San Diego. Psilocybin and psilocyn, the active compounds, are Schedule I controlled substances under both California and federal law^1,2. Possessing any amount is a misdemeanor in California, and selling or even giving mushrooms away is a felony^3,4. Neither the City nor the County of San Diego has passed any measure to decriminalize or deprioritize them.

That's the whole answer for most people. The rest of this guide explains the details people search for: the actual penalties, why the "dispensaries" and smoke-shop products around town don't change anything, how the border and military bases raise the stakes here, and what could change in 2027.

Where psilocybin stands for someone in San Diego

Three layers of law apply at once, and none of them allows psilocybin outside approved research.

One detail surprises people: California's law, like federal law, doesn't name "mushrooms." It covers "any material, compound, mixture, or preparation" that contains psilocybin or psilocyn¹. Dried mushrooms, capsules, chocolate and gummies made with real mushrooms are all covered the same way.

What happens if you're caught with mushrooms in San Diego?

The charge depends on what prosecutors think you were doing with them, not just how much you had.

Sharing is treated like selling

HSC 11379 covers anyone who "sells, furnishes, administers, or gives away" a controlled substance⁴. Handing mushrooms to a friend at no charge fits that language, and it's a felony, not a misdemeanor. This is a common misunderstanding.

Prop 47 and the 2024 Prop 36

Before Proposition 47 passed in 2014, possession could be charged as a felony. Prop 47 made simple possession a misdemeanor, with narrow exceptions for people with certain serious prior convictions³.

Proposition 36, approved by voters in November 2024, created a "treatment-mandated felony" for people caught with "hard drugs" after two prior drug convictions. The law expressly says "hard drug" does not include "psilocybin (mushrooms)"¹¹. So mushroom possession is still a misdemeanor after Prop 36. The catch: past psilocybin possession convictions count as priors if the person is later caught with a hard drug like fentanyl or methamphetamine¹¹.

Is it a crime to be high on mushrooms?

Not by itself. California's "under the influence" statute, HSC 11550, lists specific drugs and doesn't include psilocybin or psilocyn¹². But you can still be arrested for public intoxication if you can't care for your own safety in public¹⁰, and driving under the influence of any drug is a DUI⁹.

Diversion and San Diego's collaborative courts

Most first-time possession cases are eligible for pretrial diversion under Penal Code 1000. The defendant pleads not guilty, completes a program, and the court must dismiss the charge, no sooner than 12 months and no later than 18 months after referral¹³. Penal Code 1001.95 also lets a judge offer misdemeanor diversion for up to 24 months, even over a prosecutor's objection¹⁴.

San Diego Superior Court runs Drug Court at four locations (South Bay, Vista, El Cajon and downtown) and a Veterans Treatment Court for veterans and active-duty service members whose cases stem from service-related PTSD, brain injury or substance use¹⁵.

California's 911 Good Samaritan law also protects people who seek medical help in good faith for a drug-related overdose from possession and under-the-influence charges for personal-use amounts. It doesn't cover selling or sharing, and it doesn't excuse a DUI¹⁶. Whether every psilocybin emergency counts as an "overdose" isn't settled; call for help anyway. Our safety guide explains when to call.

Has San Diego decriminalized psilocybin?

No. Not the City of San Diego, not the County, and not any of the other cities in the county, as far as we could find in the national trackers and news coverage through October 2026^5,17. We also found no active local campaign of the kind that passed measures in Northern California.

Seven California cities have passed resolutions telling their police to make natural psychedelics a low priority:

Even in those cities, psilocybin isn't legal. The resolutions set local police priorities and don't change state or federal law, or bind county district attorneys and sheriffs. When Nevada City passed its resolution in August 2026, its police chief said the substances "remain illegal under state and federal law"²⁴.

Why California hasn't legalized it: the bills, 2021 to 2026

The Legislature has come close once. Since then, the bills that passed have funded or sped up research rather than changing who can possess psilocybin.

Governor Newsom's SB 58 veto message is the key to the last three years. He didn't reject psychedelics outright. He wrote that the bill "would decriminalize possession prior to these guidelines going into place, and I cannot sign it," and asked the Legislature for a bill with therapeutic guidelines covering dosing, safeguards against exploitation and medical screening²⁶. Every bill since has been about supervised therapy or research.

San Diego's legislators are in the middle of it

• Marie Waldron, a North County Republican, co-led the 2024 push with Sen. Scott Wiener and authored AB 941. She was termed out and left the Assembly on November 30, 2024^28,36.
• Sen. Brian Jones of Santee co-wrote the 2024 Heal Our Heroes pilot, which would have included San Diego County, and pushed the veterans' research fund that became part of the 2026 budget^30,37.
• Asm. Chris Ward of San Diego wrote AB 1103, the 2025 law that speeds up state approval of psychedelic research³¹.

None of these laws lets anyone possess psilocybin outside an approved study. AB 113 in particular is a research appropriation; it changes no criminal law³⁵. More on the veterans' angle in our guide to psychedelics for San Diego veterans.

Is psilocybin on the November 2026 ballot?

No. None of the measures the Secretary of State certified for the November 3, 2026 election deals with psilocybin or psychedelics³⁸. The last citizen initiative to legalize psilocybin failed to qualify for 2024, its third unsuccessful attempt³⁹. Our news story covers what's next.

Federal law, and why it matters more in San Diego

Federal law applies everywhere in the county, but three situations put San Diegans squarely under it.

Federal land

Cabrillo National Monument, the Cleveland National Forest and the county's military installations are federal property. Federal simple possession under 21 U.S.C. 844 carries up to a year in jail and a minimum $1,000 fine for a first offense⁴⁰.

Service members

Article 112a of the Uniform Code of Military Justice makes it a crime for anyone subject to the code to use, possess or bring onto an installation any federally scheduled drug, which includes psilocybin, anywhere in the world⁴¹. Oregon's or Colorado's programs don't change that. The one exception is research: the 2024 defense authorization law lets the Secretary of Defense authorize service members to join FDA-authorized psychedelic trials⁴².

The border

Bringing psilocybin into the United States from Mexico is federal importation of a Schedule I drug, punishable by up to 20 years⁴³. Mexico's law is no looser: its health law names hallucinogenic mushrooms themselves as a controlled psychotropic, and its personal-use table, which shields small amounts of some drugs, has no entry for psilocybin⁴⁴. Our guide to psychedelic retreats in Tijuana and Baja covers Mexican law in detail.

Are mushroom spores legal in California?

It depends on intent, and the line is narrower than most websites admit. California's mushroom statutes target cultivating spores or mycelium "with intent to produce" psilocybin, and selling or supplying them "for the purpose of facilitating" that cultivation^7,8. Spores themselves contain no psilocybin and don't appear to be federally controlled⁴⁵. Licensed research use is allowed with state approval. Someone who cultivates spores intending to produce psilocybin (HSC 11390), or who supplies them to facilitate that (HSC 11391), faces a wobbler charge.

What about the shops and delivery services I see?

None of them is legal. California has no licensed retail channel for psilocybin, and the products sold openly in smoke shops often contain no psilocybin at all. In December 2025, the San Diego County Sheriff and the California Department of Public Health seized about 20 pallets of food products from a Vista business, a week after the state warned that TRE House "magic mushroom" gummies and chocolates contained synthetic psychedelics instead^46,47. We explain what's actually being sold in our guides to San Diego "mushroom dispensaries", delivery services and smoke-shop gummies.

Does a psilocybin "church" make it legal?

Not in California. The federal Religious Freedom Restoration Act limits only the federal government, and California has never passed its own version⁴⁸. A San Diego prosecution under state law can't be defended under federal RFRA. The most-watched religious-use case, a Utah church's challenge to its prosecution, was partly reversed by the federal 10th Circuit on October 5, 2026, and it rested on Utah's own religious-freedom statute, which California doesn't have⁴⁹. See Is there a mushroom church in San Diego?

When could the law change?

The realistic path runs through the FDA, not Sacramento. Compass Pathways expects to finish filing its application for COMP360, a psilocybin drug for treatment-resistant depression, in the fourth quarter of 2026, and has said it hopes to launch in the first half of 2027, "subject to FDA approval and following" DEA rescheduling⁵⁰. No FDA decision date had been made public as of October 20, 2026.

If that happens, California's AB 1021 would let doctors here prescribe the approved product without waiting for a new state law²⁷. That would mean a prescription drug given in clinics. It would not make mushrooms legal to possess, grow or sell.

President Trump's April 2026 executive order on psychedelic medicines directs federal agencies to speed reviews and rescheduling once a drug completes trials, but it sets no deadlines and reschedules nothing by itself⁵¹. Psilocybin was still Schedule I as of October 9, 2026².

Where can you use psilocybin legally?

Outside of clinical trials, only in another state's licensed program. Oregon's service centers accept adults 21 and older and don't require Oregon residency, but every session happens on site and no product can leave⁵². Colorado licenses healing centers, and New Mexico is building a medical program that must open by the end of 2027⁵³. Nothing from any of them can legally come back to California. Our guide to psychedelic therapy in San Diego lists every legal option, including UC San Diego's trials.

For other states' laws, the UC Berkeley Psychedelics Law & Policy map is the most complete tracker. My Mushroom Dispensary, an online retailer owned by the same team as this site, also publishes a state-by-state psilocybin law table.