Reviewed Sep 2026Adult-use legal

Cannabis in Fairfield

Adult use approved by voters in 2016; retail sales since Oct 9, 2020

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The rules

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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