Maine Recreational Cannabis Laws
Purchasing & consumption rules for adults 21+.
Informational only — not legal advice. Cannabis laws change frequently; verify current rules with the official sources linked below before relying on this page.
Last verified: 2026-08-28
Maine Cannabis Laws — Quick Facts
Status
Recreational legal · since 2016 (Question 1)
Min. Age
21
Home Grow
Yes
Source: official state guidance · Facts verified 2026-08-28
Residents & out-of-state visitors
Adult-use cannabis: adults 21 and older
State residents
- Who can buy
- Adults 21+ with valid government-issued photo ID.
- Purchase limit
- 2.5 oz combined, including no more than 10 g concentrate
- Public possession limit
- 2.5 oz combined, including no more than 10 g concentrate
Out-of-state visitors
- Who can buy
- Adults 21+ with valid government-issued photo ID.
- Purchase limit
- 2.5 oz combined, including no more than 10 g concentrate
- Public possession limit
- 2.5 oz combined, including no more than 10 g concentrate
Sources: Official state guidance · Reviewed 2026-09-09
Purchase and possession limits are different. Limits apply within this state; do not carry cannabis across state lines. Medical programs may have separate rules.
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Browse all Maine dispensaries →1. Status & Authority
- Legal Since: 2016 (Question 1)
- Governing Agency: Maine Office of Cannabis Policy (OCP)
- Statute/Citation: 28-B M.R.S. (Marijuana Legalization Act)
- Medical Exists: Yes
- Retail Sales Operational: Yes
2. Who Can Purchase
- Minimum Age: 21
- ID Requirements: Valid government-issued photo ID
- State residents: Adults 21+ with valid government-issued photo ID.
- Resident vs. Out-of-State/Visitor: Adults 21+ with valid government-issued photo ID.
3. Purchase & Possession Limits
- Resident purchase: 2.5 oz combined, including no more than 10 g concentrate
- Visitor purchase: 2.5 oz combined, including no more than 10 g concentrate
- Resident public possession: 2.5 oz combined, including no more than 10 g concentrate
- Visitor public possession: 2.5 oz combined, including no more than 10 g concentrate
4. Where & How to Buy
- Dispensaries: Licensed adult-use cannabis stores.
- Delivery & Online: Limited adult-use delivery is legal. Municipalities cannot outright prohibit the delivery of adult-use cannabis, though they can regulate it. Deliveries are barred between 10:00 PM and 7:00 AM.
- Consumption Lounges: Not permitted for recreational use.
- Local Opt-Outs: Towns must explicitly "opt in" to allow physical retail stores; otherwise, they are prohibited by default.
5. Taxes & Payment
- Excise Tax: Cultivators pay a wholesale excise tax.
- Sales Tax: 10% state sales tax on adult-use retail sales.
- Payment: Primarily cash and cashless ATMs.
6. Consumption Rules
- Permitted Locations: Private residences and private property.
- Prohibited Locations: Any public place, state parks, federal land, and anywhere tobacco smoking is banned.
- Vehicles/Open Container: Illegal to consume in a vehicle. Products must be sealed during transport.
- Landlord/Employer: Landlords can restrict smoking. Employers can enact workplace policies.
7. Home Cultivation
- Allowed: Yes
- Plant Count Limits: Up to 3 mature plants, 12 immature plants, and an unlimited number of seedlings per adult.
- Household Caps: Cultivation must be on property owned by the grower (or with owner's written permission), out of public view, and secure from minors. Plants must be tagged.
8. Penalties
- Over-Limit Possession: Can result in civil or criminal penalties depending on the amount.
- Public Consumption: Civil fine of up to $100.
- Sale to Minors: Criminal offense.
- DUI Thresholds: Impairment-based. Operating a vehicle impaired by marijuana is an OUI (Operating Under the Influence). Officer observation determines impairment.
9. Sources
- Maine Office of Cannabis Policy (OCP) FAQ (Accessed: 2026-08-28)
- [[_limits-by-product-form|Limits by product form]]
- [[disputed-cannabis-limit-claims]]