Maine
Adult Use + MedicalSales LiveState Regulatory Profile · Medical est. 1999 · Adult use est. 2016
Legal Status
Adult Use + Medical
Medical since 1999
Adult use since 2016
Market Tier
Mature
Maturity of the regulated market
Tax Rate
N/A
Cannabis excise / sales tax rate
Regulatory Framework
Program details
- Regulator
- OCPSource
- Track & Trace
- METRC18-691 CMR ch.30 (Metrc)
- Lab Accreditation
- ISO 17025
- License Renewal
- Annual
- Application Fee
- $1,000
- Retail Cap
- No cap
- Apps Currently Open
- Yes
- Market Tier
- Mature
Program Features
Permitted activities
- Adult-Use Delivery
- ✓ YES18-691 CMR ch.20 sec 3 (retail delivery)
- Consumption Sites
- ✗ NO28-B M.R.S. 1501(2) (no on-site consumption license)
- Social Equity Program
- ✗ NO28-B M.R.S. (no social equity program)
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Regulatory Timeline
- 2024REFORM
Petition-based record sealing enacted
Maine enacts a cannabis record-sealing law — petition-based rather than automatic — years after legalization, as advocates push to restore voter-intended justice provisions stripped during implementation.
- OCT 9, 2020LEGALIZATION
Adult-use retail sales begin
Maine records its first legal adult-use sales — 1,223 days after the 2016 vote, the slowest legalization-to-retail rollout in U.S. history. First-month sales totaled about $1.4 million amid supply shortages.
- JUN 27, 2019REFORM
Mills signs implementation law (LD 719)
Gov. Janet Mills signs the law authorizing the Office of Cannabis Policy to adopt adult-use rules, finally clearing the path to retail sales after years of gridlock under the prior administration.
- MAY 2, 2018REFORM
Legislature overrides LePage veto
After Gov. LePage vetoed the implementation bill (LD 1719) citing conflicts with federal law and the medical program, the legislature overrides the veto, enacting the adult-use framework but stalling launch for years.
- NOV 8, 2016LEGALIZATION
Voters narrowly approve Question 1
Maine voters legalize adult-use cannabis by fewer than 4,000 votes, becoming the 9th legal state. The win triggers a recount and years of legislative rewrites before any retail market opens.
- 2009REFORM
Voters expand medical program
Maine voters approve a ballot measure broadening the medical cannabis program and the range of qualifying conditions, building on the caregiver-based supply model.
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Regulatory profile data for Maine is compiled from publicly available state sources and was last reviewed August 2026. Laws change frequently — verify with your state's official regulator before purchasing or consuming.