Maine

Cannabis regulations, compliance details, and official links for Maine.

Adult-Use

METRC

Delivery Allowed

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Official Source

Regulatory Agency

Office of Cannabis Policy

Tracking System

METRC

Market Type

Adult-Use

Last Updated

Dec 20, 2025

Regulatory Overview

Maine Cannabis Regulations

Key regulatory details for cannabis operators in Maine. Always confirm with official sources.

Regulatory Agency

Office of Cannabis Policy

Visit Official Site

Seed-to-Sale System

Maine uses METRC for seed-to-sale compliance tracking.

WebJoint METRC Integration

Market Type

Adult-Use

Maine has an adult-use (recreational) and medical cannabis program.

Delivery & Ecommerce Status

DeliveryAllowed

EcommerceAllowed

Key Details

What You Need to Know About Maine

Adult-use sales began October 2020

METRC required for adult-use, medical uses state system

Delivery allowed for licensed operators

Caregiver program still active for medical

Official Sources

OCP Official Site

Regulatory Details

Maine Cannabis Rules at a Glance

Detailed regulatory information for cannabis operators in Maine.

Purchase Limits

Adult-Use

Flower2.5 oz

Concentrates5g

Periodper transaction

Medical

Flower2.5 oz

Periodas needed

Tax Rates

State Excise14% sales tax on adult-use (increased from 10% January 2026)

Cultivation Tax$223 per pound of flower

Medical cannabis purchases are tax-exempt.

Home Cultivation

Allowed

Plant Limit

6 mature, 12 immature, and unlimited seedlings per person 21+

Customer Requirements

21+

Min. Age

Required

State ID

Medical patients exempt from cannabis taxes.

Testing Requirements

Mandatory Testing

Potency

Pesticides

Heavy metals

Microbials

Yeast and mold

Residual solvents

Foreign materials

Moisture content

Remediation NOT permitted for metals and pesticides. Medical cannabis not subject to mandatory testing.

Packaging & Labeling

Child-Resistant: YesUniversal Symbol: Yes

Red triangle universal symbol with "Contains THC"

Child-resistant and tamper-evident

THC/CBD per serving and package

Ingredients list

Use-by or expiration date

License Types

Cultivation Facility

5 tiers based on canopy space

Products Manufacturing Facility

Processes and manufactures products

Cannabis Store (Retail)

Sells directly to consumers

Testing Facility

Mandatory testing of products

Compliance Checklist

Operator Compliance Checklist for Maine

Licensing

Obtain OCP state license and local approval

Inventory

Track all cannabis in METRC

Sales

Verify customer age with valid ID

Enforce purchase limits

2.5 oz combined per transaction, max 5g concentrates

Collect and remit 14% state cannabis sales tax

Reporting

File tax returns with Maine Revenue Services

Compliance Tools

How WebJoint Helps in Maine

WebJoint integrates directly with METRC, the tracking system used in Maine, to keep your operations compliant.

METRC Integration

Real-time syncing with METRC for package intake, sales, returns, and inventory adjustments.

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Delivery Software

Compliant delivery workflows with manifests, driver assignment, ID verification at the door, and route tracking.

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POS Compliance

Purchase limits enforced at checkout, age verification at every touchpoint, and audit-ready transaction records.

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Reports & Audits

Exportable reports that match your regulatory requirements. Sales, inventory, patient counts, and more.

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FAQ

Maine Cannabis FAQ

Common questions about cannabis regulations, compliance, and operating in Maine.

Yes, Maine has legalized adult-use (recreational) and medical cannabis. The state's cannabis program is regulated by the Office of Cannabis Policy. Regulations and requirements may change, so always verify with official sources.

Adult-use customers can purchase up to 2.5 oz of flower, 5g of concentrates per per transaction. Medical patients can purchase up to 2.5 oz of flower per as needed.

Yes, home cultivation is allowed in Maine. The limit is 6 mature, 12 immature, and unlimited seedlings per person 21+.

Cannabis products in Maine are subject to various taxes. The state excise tax is 14% sales tax on adult-use (increased from 10% January 2026). There is also a cultivation tax of $223 per pound of flower. Medical cannabis purchases are tax-exempt.

Yes, licensed cannabis delivery is allowed in Maine. Operators must comply with all state delivery regulations, including manifest requirements, vehicle requirements, and customer verification at the point of delivery.

Yes, Maine requires mandatory testing for all cannabis products before they can be sold. Testing must cover: Potency, Pesticides, Heavy metals, Microbials, Yeast and mold, Residual solvents, Foreign materials, Moisture content. Remediation NOT permitted for metals and pesticides. Medical cannabis not subject to mandatory testing.

Maine uses METRC as its seed-to-sale tracking system. All licensed cannabis operators are required to report inventory, sales, and transfers through this system. WebJoint integrates with METRC to help operators maintain compliance automatically.

Yes, WebJoint provides cannabis POS, delivery, and ecommerce software for operators in Maine. The platform includes built-in compliance features like purchase limit enforcement, METRC integration, age verification, and audit-ready reporting designed for Maine's regulatory requirements.