Oregon Cannabis Laws

Oregon Cannabis: Quick Reference

Category	Detail
Legal status	Recreational and medical — both legal
Governing law	Oregon Measure 91 (2014); ORS Chapter 475C
Minimum age	21+ recreational; 18+ for OMMP patients
Public possession limit	1 oz (28 g) flower / 1 g concentrate
Home storage limit	8 oz flower / 1 oz concentrate / 16 oz solid edibles / 72 oz liquid
Home cultivation (recreational)	4 plants per household, out of public view
Home cultivation (medical)	6 mature + 18 immature per registered patient
Retail sales began	October 2015 (second state after Colorado)
State retail tax	17% + up to 3% local
Medical cannabis tax	Exempt (OMMP registered patients)
Purchase limits in-store	None — no per-transaction purchase cap
Delivery	Legal with OLCC delivery endorsement
Regulator	Oregon Liquor and Cannabis Commission (OLCC)
Medical program	Since 1998 (Measure 67, OMMP)

Measure 91 and Oregon’s Cannabis Legalization

Oregon voters approved Measure 91 in November 2014 with 56.1% of the vote, making Oregon the third US state to legalize adult-use cannabis (after Colorado and Washington in 2012) and the first state on the Pacific Coast to do so by ballot initiative. The law directed the Oregon Liquor and Cannabis Commission (OLCC) to establish a licensing framework for producers, processors, wholesalers, and retailers. Oregon stood out even among early legal states for opening retail without a per-transaction purchase cap — customers may buy as much as they can legally possess in a single visit.

Oregon also has a deep medical cannabis history: Measure 67 in 1998 established the Oregon Medical Marijuana Program (OMMP) — making Oregon one of the five earliest medical cannabis states in the US. The medical program predated recreational legalization by 16 years and created a base of established cultivation knowledge and patient infrastructure that eased the transition to recreational sales.

Possession Limits and Home Storage

Adults 21 and older may carry up to 1 ounce of cannabis flower in public spaces. The concentrate public possession limit is 1 gram. At home, Oregon permits the most generous storage allowance of any US recreational state: 8 ounces of usable cannabis flower, plus 1 ounce of concentrate, 16 ounces of solid edibles, and 72 ounces of liquid cannabis products. This 8-ounce home limit is double what states like California, Colorado, and Massachusetts permit, and reflects Oregon’s intent to eliminate personal possession as a law enforcement priority.

Adults may give up to 1 ounce of cannabis to another adult (21+) for free without a license. Gifting cannabis for compensation, or bundling it with unrelated goods as a “gift” while charging for the bundle, is not legal outside a licensed retail context.

Home Cultivation Rules

Oregon’s recreational home grow limit is 4 plants per household. The 4-plant cap applies per household, not per adult — a home with four qualifying adults still observes the 4-plant maximum. Plants must be cultivated out of public view: visible from any public road, sidewalk, or neighboring property constitutes a violation. There is no separate weight limit on homegrown cannabis stored at the cultivating household beyond the standard 8-ounce at-home limit for usable, processed cannabis.

Grow Detail	Recreational	Medical (OMMP)
Mature plants	4 per household total	6 mature per patient
Immature / seedlings	Included in 4-plant count	18 immature per patient
Grow site requirement	Out of public view; private property	Registered grow site
At-home usable limit	8 oz	24 oz at registered site
Designated grower allowed	No	Yes — patient may designate one grower

Oregon Cannabis Tax and Pricing

Oregon levies a 17% state retail tax on recreational cannabis at point of sale. Local jurisdictions may add up to 3% local tax via voter approval, bringing the maximum combined rate to 20%. This compares very favorably against Washington State’s 37%, California’s effective 25–35% combined burden, and Massachusetts’ 20% combined rate. Medical cannabis purchased by registered OMMP patients is fully exempt from the retail tax.

Tax Component	Rate	Applies To
State retail cannabis tax	17%	All recreational retail sales
Local optional tax	Up to 3%	Cities/counties with voter-approved local tax
Maximum combined rate	20%	State + maximum local
Medical cannabis (OMMP)	0% (exempt)	Registered patients at OLCC-licensed retailers

Oregon’s cannabis market is the most oversupplied in the US. The Willamette Valley’s favorable climate, low production licensing barriers, and Oregon’s small population of approximately 4.2 million produced a dramatic price collapse beginning around 2017. Wholesale flower prices fell below $200 per pound in some periods. Licensed retail flower is commonly available for $2–$5/g, with ounces as low as $60–$100 at competitive outlets. Oregon cannabis tax revenues fund the Oregon State Police, Mental Health Treatment and Recovery services, the Oregon Health Authority, and municipalities hosting licensed operations.

OLCC Dispensaries and Purchasing

Oregon’s retail market is regulated by the Oregon Liquor and Cannabis Commission (OLCC), which assumed full oversight from the Oregon Health Authority in 2017. Over 700 OLCC-licensed adult-use dispensaries operate statewide, concentrated in Portland, Eugene, Bend, Ashland, and the Willamette Valley corridor. Portland alone has more licensed cannabis outlets per capita than any other major US city.

Oregon is unique in having no per-transaction purchase limit at licensed dispensaries. Consumers may buy as much cannabis in a single visit as they can legally possess. Most other recreational states cap purchases at 1 ounce per transaction. Visitors 21 and older may purchase with any valid government-issued ID; no Oregon residency is required. The OLCC maintains a public dispensary license database consumers can use to verify a retailer’s current status.

Home delivery is legal for retailers with an OLCC delivery endorsement. Most metro-area dispensaries offer online ordering with same-day or next-day delivery to residential addresses. Oregon was among the earliest states to legalize and broadly implement cannabis home delivery.

Oregon Medical Cannabis Program (OMMP)

Oregon’s Oregon Medical Marijuana Program (OMMP) was established by Measure 67 in 1998, making Oregon one of the first five states in the US to legalize medical cannabis. The OMMP is administered by the Oregon Health Authority. Qualifying conditions include cancer, glaucoma, PTSD, HIV/AIDS, seizures, multiple sclerosis, and any condition that a physician determines produces cachexia, severe pain, severe nausea, or persistent muscle spasms. Patients register with the OHA and receive an OMMP card.

OMMP patients benefit from: higher possession limits (24 oz at the registered grow site), more liberal cultivation rights (6 mature + 18 immature plants), the ability to designate a caregiver grower, and full exemption from the 17% retail tax. Given Oregon’s already-low recreational prices, the tax saving is proportionally smaller than in high-tax states, but remains meaningful for high-consumption patients.

Psilocybin and Measure 110

Oregon has taken two additional drug policy steps that make it unique nationally. Measure 109 (2020) legalized supervised psilocybin services at licensed psilocybin service centers. Under this framework, licensed facilitators administer psilocybin to clients in a supervised therapeutic or personal-growth context. Personal possession or home use of psilocybin remains illegal under state law; the Measure 109 system is service-center-only and is administered by the Oregon Health Authority. Portland and several Willamette Valley communities have licensed service centers operating.

Measure 110 (2020) — partially rolled back by the Oregon Legislature in 2024 — originally decriminalized personal possession of small amounts of all controlled substances, replacing criminal penalties with civil fines and referrals to health assessments. For cannabis, this reinforced existing recreational law. The legislative rollback in 2024 recriminalized possession of some substances including heroin and methamphetamine, but cannabis possession within legal limits remains non-criminal.

Cannabis DUI in Oregon

Oregon’s DUII (Driving Under the Influence of Intoxicants) statute covers cannabis impairment. Oregon uses an impairment-based standard with no specific nanogram-per-milliliter THC threshold. Impairment is established through standardized field sobriety tests, Drug Recognition Expert (DRE) evaluations, and officer observations. Blood or saliva testing may supplement but does not define impairment by itself. A first DUII conviction carries mandatory jail or community service, fines up to $6,250 for a Class A misdemeanor, and license suspension of at least one year. Repeat offenses escalate to felony charges. An open cannabis container in a vehicle is a Class B traffic violation.

Employer Rights in Oregon

Oregon does not currently have a statute protecting employees from adverse employment action based on lawful off-duty cannabis use. Legislation that would have prohibited pre-employment cannabis testing for most private-sector positions did not pass in 2023. Employers in Oregon may maintain and enforce drug-free workplace policies including pre-employment, random, and post-incident cannabis testing. Federal employees and workers in DOT-regulated roles have no state-level protection. Many Oregon employers in technology, hospitality, and the cannabis industry itself have voluntarily updated policies to exclude cannabis from pre-employment panels.

Penalties for Cannabis Violations

Violation	Classification	Penalty
Public consumption	Class B violation	Fine up to $1,000
Possession 1–4 oz in public	Class B violation	Fine; no criminal charge
Possession over 4 oz in public	Class A misdemeanor to felony	Scales with weight; potential jail
Delivery without license	Felony	Up to 5–20 years depending on quantity
Sale to minor (under 21)	Felony	Up to 5 years; license forfeiture
Underage possession (under 21)	Class B violation	Fine; no criminal record
Open container in vehicle	Class B traffic violation	Fine
DUII (impaired driving)	Class A misdemeanor / Felony repeat	Jail; fines up to $6,250; 1+ year suspension

Interstate Travel Warning

Frequently Asked Questions

Why is cannabis so cheap in Oregon?

Oregon has over 700 OLCC-licensed dispensaries serving a state population of approximately 4.2 million — among the highest retailer-to-population ratios in the US. Combined with significant licensed outdoor production in the Willamette Valley and Oregon’s favorable growing climate, chronic oversupply has pushed wholesale prices below $200 per pound and retail flower prices to $2–$5 per gram in many stores. Oregon regularly ranks as the lowest-priced legal cannabis market in the US.

Is there a purchase limit at Oregon dispensaries?

No. Oregon is unique in having no per-transaction purchase limit at licensed dispensaries. Customers may purchase up to the amount they can legally possess in a single visit (1 oz in public, effectively limited by what they can take home within their 8 oz limit). This distinguishes Oregon from California, Colorado, and most other recreational states that cap single-transaction purchases at 1 ounce.

Can tourists buy cannabis at Oregon dispensaries?

Yes. Any adult 21 or older may purchase at a licensed Oregon dispensary with a valid government-issued photo ID. No Oregon residency is required. Cannabis may not be transported across Oregon state lines or through federal facilities such as Portland International Airport.