Is a Colorado Resident Permit Valid in Maine?

Why

• Colorado is not on Maine's official reciprocity list.
• Maine allows permitless carry for eligible adults 21+, which extends to visitors who may legally possess a handgun.

Maine recognizes a permit 'issued by another state to its resident' only where that state recognizes Maine's resident permit - non-resident permits are not honored. Extra conditions: permit holders from Alaska, Arizona, Iowa, Kansas, Nebraska, North Dakota and Virginia must be 21+ (Virginia holders must also carry government-issued photo ID). In practice most visitors 21+ may simply carry permitless.

Carry rules in Maine

Your Colorado habits may not match Maine's law. Check these three areas before you carry there.

• Permit holders have no proactive duty to inform. A person carrying WITHOUT a permit under Maine's permitless-carry law must immediately inform the officer that they are carrying a concealed handgun upon any routine stop, detention or arrest.
• Maine sets no state magazine-capacity limit for handguns.
• Maine allows permitless concealed carry from age 21 for people who may legally possess a handgun, including eligible visitors.
• A person 21+ who may legally possess a firearm may keep a loaded concealed handgun in a vehicle without a permit, but if carrying without a permit must immediately inform law enforcement during any stop.

Off-limits places in Maine

Maine bans carry in 6 kinds of places. The first on the list:

• Courthouses
• Schools and school property

See all 6 places you can't carry in Maine →

Colorado vs Maine: what changes at the state line

Crossing from Colorado into Maine changes 3 rules: permitless carry (No → Yes (21+)); magazine limit (15 rounds → None); out-of-state permits honored (34 states → 23 states).

Going the other way, a Maine resident permit in Colorado: not recognized.

Driving on from Maine

How a Colorado resident permit fares in the states bordering Maine:

• New Hampshire — Recognized — and permitless carry applies

Check a whole route with the Trip Checker →

Frequently asked questions

Does Maine honor a Colorado non-resident permit?

Colorado does not issue non-resident carry permits (no non-resident permits. Armed-forces members stationed in Colorado on permanent duty station orders, and their immediate family living in Colorado, are deemed legal residents (C.R.S. 18-12-203(1)(a))), so the question does not arise.

Can a Maine resident permit holder carry in Colorado?

Not recognized. Reciprocity is decided by the destination state, so the answer in this direction depends on Colorado's law, not Maine's.

Where does Maine publish its official reciprocity list?

Maine publishes its recognition policy on an official state page, linked in the sources on this page. That page is the authority — check it shortly before travel, because recognition lists change without much notice.