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Massachusetts Cannabis Possession Limits (2026)

Permitted: In Massachusetts, adults 21 and older may possess up to 2 ounces in public — doubled from 1 ounce by a law signed April 19, 2026.

PermittedVerified Jun 29, 2026

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In Massachusetts, adults 21 and older may possess up to 2 ounces in public — doubled from 1 ounce by a law signed April 19, 2026. At home the limit is 10 ounces, and any amount over 2 ounces at home must be locked up.

Official source: mass.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Cannabis Possession Limits in states bordering Massachusetts

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

ConnecticutPermitted
In Connecticut, adults 21 and older may possess up to 1.5 ounces on their person, and up to 5 ounces in a locked container at home or in a locked vehicle trunk or glovebox.
Verified May 31, 2026 · Source: portal.ct.gov · Full Connecticut rule →
New HampshireConditional
Recreational possession is illegal in New Hampshire but decriminalized: up to three-quarters of an ounce is a civil violation of about $100, not a crime. Registered patients may possess up to 2 ounces.
Verified May 31, 2026 · Source: dhhs.nh.gov · Full New Hampshire rule →
New YorkPermitted
In New York, adults 21 and older may possess up to 3 ounces of flower and up to 24 grams of concentrate outside the home, and up to 5 pounds stored securely at home.
Verified May 31, 2026 · Source: cannabis.ny.gov · Full New York rule →
Rhode IslandPermitted
In Rhode Island, adults 21 and older may possess up to 1 ounce of flower on their person, or the concentrate equivalent, and up to 10 ounces at home.
Verified May 31, 2026 · Source: health.ri.gov · Full Rhode Island rule →
VermontPermitted
In Vermont, adults 21 and older may possess up to 1 ounce of flower and up to 5 grams of hashish or concentrate.
Verified Aug 2, 2026 · Source: legislature.vermont.gov · Full Vermont rule →

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