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Centennial, CO Public Conduct: Public Marijuana Use (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Marijuana included in "smoking"
Yes, § 10-6-10 definition
Where banned
All indoor public areas, workplaces
Entryway buffer
25 feet from doorways
First-offense fine
Up to $200
Repeat-offense fine
Up to $500

Summary

Centennial's smoking ordinance defines marijuana as a smoked substance and bars lighting it in any indoor public area, workplace, or building entryway citywide, backed by fines up to $500 for repeat violations.

Smoking means inhaling, exhaling, burning, or carrying any lighted or heated cigar, cigarette, or pipe or any other lighted or heated tobacco or plant product intended for inhalation, including marijuana, whether natural or synthetic, in any manner or in any form... Except as provided in Section 10-6-30, smoking is not permitted and a person shall not smoke in any indoor area, including: ...(21) Public buildings...

Full Breakdown

Municipal Code § 10-6-10 defines "smoking" to include burning or carrying any lighted tobacco or plant product intended for inhalation, "including marijuana, whether natural or synthetic." Section 10-6-20 then bars smoking in enclosed public areas citywide, public buildings, food service establishments, bars, gyms, workplaces, and even the 25-foot entryway zone outside such buildings, with narrow exceptions for private homes and vehicles. A first violation of § 10-6-50 carries up to a $200 fine, rising to $500 for a third offense within a calendar year, with each day of continuing violation treated as a separate offense.

Violations & Fines

Smoking marijuana in a banned indoor area or entryway violates § 10-6-20 and is punishable under § 10-6-50 by fines from $200 to $500, with escalating penalties for repeat offenses.

Frequently Asked Questions

Can I smoke marijuana inside a Centennial business or public building?
No. Section 10-6-20 bans smoking, a term the code expressly defines to include marijuana, in any indoor public area or place of employment citywide.
What's the fine for smoking marijuana somewhere prohibited in Centennial?
Up to $200 for a first offense in a calendar year, $300 for a second, and $500 for each additional violation under § 10-6-50.

Sources & Official References

Other rules in Centennial

All Centennial rules

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Public Marijuana Use in Nearby Cities

How other cities in Arapahoe County handle public marijuana use.

Aurora, CO
Heavy Restrictions