A medical purchase and an adult-use purchase follow different rules in Massachusetts. This page covers what the Commission and the regulation say about tax, documents, age and quantity for the medical side.
Tax
Source: Cannabis Control Commission, Taxes and Fees.| Tax | Medical purchase | Adult-use purchase |
|---|
| State excise tax | None | 10.75% imposed |
| State sales tax | None | 6.25% applies |
| Local tax | Exempt | A host town may impose up to 3% |
The Commission says there is no state excise tax on medical marijuana sales(masscannabiscontrol.com).
It says a 10.75% excise tax is imposed on transfers of marijuana and marijuana products from a Marijuana Retailer(masscannabiscontrol.com).
The Commission says there is no standard sales tax on medical marijuana sales(masscannabiscontrol.com).
It says Massachusetts sales tax (6.25%) also applies to all sales of marijuana and marijuana products, and that there is no standard sales tax on medical marijuana sales(masscannabiscontrol.com).
A city or town where a Marijuana Establishment is located may impose a tax of up to 3% of adult-use marijuana retail sales, and the Commission says medical marijuana sales are exempt from that local tax option(masscannabiscontrol.com).
What a medical purchase needs
The regulation says a treatment center shall immediately inspect the patient's or caregiver's temporary or annual Registration Card and proof of government-issued identification(state regulation).
A treatment center shall refuse to sell to a patient or caregiver who cannot produce a Registration Card and valid proof of identification, or who has no valid certification in the Commission database(state regulation).
Age and quantity on the medical side
The regulation's definition of a Qualifying Patient includes a Massachusetts Resident who is 18 years of age or older and has been diagnosed by a Certifying Healthcare Provider as having a Debilitating Medical Condition(state regulation).
A Personal Caregiver is a person who shall be 21 years of age or older(state regulation).
The regulation defines a 60-day Supply as ten ounces over 60 calendar days, unless a certifying provider decides otherwise(state regulation).
A Registered Qualifying Patient may possess up to 12 flowering plants and up to 12 vegetative plants, excluding clones and cuttings(state regulation).
Short answers
Do medical patients pay the state cannabis tax?
The Commission says there is no state excise tax and no standard sales tax on medical marijuana sales(masscannabiscontrol.com)(masscannabiscontrol.com).
Can I buy a medical amount without a card?
No. A treatment center (MTC) shall refuse to sell marijuana to a Registered Qualifying Patient or Personal Caregiver who is unable to produce a temporary or an annual Registration Card and valid proof of identification(state regulation).
Is the local tax charged on medical sales?
No. The Commission says medical marijuana sales are exempt from the local tax option(masscannabiscontrol.com).
Advanced Dispensary in Peabody
Advanced Dispensary in Peabody is being built and has no opening date.
Sources
- "Cannabis Control Commission, Taxes and Fees" (masscannabiscontrol.com, read November 5, 2026): "There is no state excise tax on medical marijuana sales."
- "Cannabis Control Commission, Taxes and Fees" (masscannabiscontrol.com, read November 5, 2026): "A 10.75% excise tax is imposed on transfers of marijuana and marijuana products from a Marijuana Retailer."
- "Cannabis Control Commission, Taxes and Fees" (masscannabiscontrol.com, read November 5, 2026): "There is no standard sales tax on medical marijuana sales."
- "Cannabis Control Commission, Taxes and Fees" (masscannabiscontrol.com, read November 5, 2026): "Massachusetts sales tax (6.25%) also applies to all sales of marijuana and marijuana products. There is no standard sales tax on medical marijuana sales."
- "Cannabis Control Commission, Taxes and Fees" (masscannabiscontrol.com, read November 5, 2026): "may impose a tax of up to 3% of adult-use marijuana retail sales in its locality"
- "935 CMR 501.140, Cornell Legal Information Institute" (law.cornell.edu, read November 5, 2026): "Upon entry into an MTC by a Registered Qualifying Patient or Personal Caregiver, or arrival at a residence for delivery to a Registered Qualifying Patient of Personal Caregiver, an MTC or Marijuana Courier Agent shall immediately inspect the Patient's or caregiver's temporary or annual Registration Card and proof of government-issued identification."
- "935 CMR 501.140, Cornell Legal Information Institute" (law.cornell.edu, read November 5, 2026): "An MTC shall refuse to sell Marijuana to any Registered Qualifying Patient or Personal Caregiver who is unable to produce a temporary or an annual Registration Card and valid proof of identification, or who does not have a valid certification in the Commission supported interoperable database."
- "935 CMR 501.002, Cornell Legal Information Institute" (law.cornell.edu, read November 5, 2026): "Qualifying Patient means: (a) a Massachusetts Resident or a non-Massachusetts Resident receiving end-of-life or palliative care or cancer treatment in Massachusetts as determined by a Certifying Healthcare Provider, who is 18 years of age or older who has been diagnosed by a Certifying Healthcare Provider as having a Debilitating Medical Condition"
- "935 CMR 501.002, Cornell Legal Information Institute" (law.cornell.edu, read November 5, 2026): "Personal Caregiver means a person, registered by the Commission, who shall be 21 years of age or older"
- "935 CMR 501.002, Cornell Legal Information Institute" (law.cornell.edu, read November 5, 2026): "60-day Supply means that amount of Marijuana ... which is ten ounces"
- "935 CMR 501.140, Cornell Legal Information Institute" (law.cornell.edu, read November 5, 2026): "A Registered Qualifying Patient may possess up to 12 flowering plants and up to 12 Vegetative plants, excluding Clones and cuttings."
- "Cannabis Control Commission, Taxes and Fees" (masscannabiscontrol.com, read November 5, 2026): "However, medical marijuana sales are exempt from the local tax option."