Reviewed Sep 2026Adult-use legal

Cannabis in Waterville

Waterville has no cap on cannabis stores, and Kennebec County's first adult-use shop opened there on 9 December 2020, off Interstate 95. A route by road.

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Sellers listed: 6
License verified: 6
Minimum age: 21+

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Showing 6 of 6 sellers in Waterville

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The rules

Key rules in Maine

Plain-language summary. The regulator is Maine Office of Cannabis Policy (OCP), Department of Administrative and Financial Services.

Minimum age
21 for adult-use purchases, possession and home grow (photo ID checked, including on delivery and curbside)
Possession
Up to 2.5 oz of cannabis, including no more than 10 g of concentrate
Purchase limit
2.5 oz per transaction (max 10 g concentrate), plus up to 12 immature plants or seedlings
Home grow
6 mature, 12 immature plants and unlimited seedlings; towns may set lower caps but not below 3 mature plants
Taxes
14% sales tax on adult-use cannabis since January 1, 2026 (was 10%)
Public use
Only in a private residence or on private property with the owner's permission; no smoking where tobacco smoking is banned
Delivery
Stores may run a limited delivery service and curbside pickup with ID checks; municipalities cannot prohibit delivery
Driving
No use by drivers or passengers in a vehicle on a public way; impaired driving is illegal

Summary, not legal advice — rules change; check local law. Last reviewed Sep 2026.

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How it works

How cannabis is sold in Waterville

Coming off Interstate 95 at Waterville, the first stores are on Kennedy Memorial Drive, where Kennebec County's first adult-use shop opened on 9 December 2020.

Take Kennedy Memorial Drive.
Sweet Dirt opened at number 475, the Central Maine papers reported, in a former furniture store. The register now lists High Value Cannabis at 475 and Waterville ECC at 465.
Or go into town on College Avenue.
Astro Terf is at 84 and Stoner & Co. at 210. In July 2020 four marijuana facilities of all kinds sat on this avenue.
Save Main Street and Industrial Street for later.
Cannabis Haven is at 341 Main and Theory Wellness at 20 Industrial.
Know the tax before the register.
Visitors' rules and the sales tax are in the Maine visitor guide.

Is there a cap?

No. City Manager Michael Roy told the paper in July 2020 that council believes growth should be market-driven, and councillors turned down Mayor Nick Isgro's proposal to limit adult-use shop permits to three. By then the city clerk had collected $59,750 in permit fees from marijuana businesses, with packages of up to $12,000 for a single business. Ten facilities were operating in December 2020. Anything state-wide is under Maine.