Colorado allows adults to buy and possess recreational cannabis, but consuming it in public places is not allowed, and hotels are generally free to ban smoking of any kind on their premises. Many downtown properties are entirely smoke-free by policy. Guests from out of state are sometimes surprised by this, and the result shows up as complaints from neighboring rooms and corridors.
Confirm the exact policy language, signage and any guest-charge terms with the property's legal or brand standards team. Colorado's indoor smoking rules and Denver's local rules can change, and how they apply to a particular property should be checked rather than assumed.
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Cannabis versus tobacco odor in a room
Both leave residue. The differences mostly affect detection and how fast the room can return.
Cannabis smoke
- Strong, skunky smell that neighbors and corridor staff notice quickly
- Often smoked in short sessions, sometimes near the door gap or bathroom fan
- Usually less yellow staining on walls than heavy tobacco
- Lingers strongly in fabric, especially bedding and drapes
- Edibles and vapes leave much less room residue than combustion
Tobacco smoke
- Stale, ashy smell that grows stronger over days
- Often smoked by the window or at a desk over long periods
- Visible yellow film on glass, lamp shades and ceilings
- Nicotine residue clings to hard surfaces and returns with heat
- Burn marks and ash in cups or sinks are common evidence
From the first complaint to a recovered room
- Complaint received
- Log the time, the complaining room and the suspected room. Send security or the manager on duty to the corridor to confirm the smell.
- Contact with the guest
- Follow the property's script: remind the guest of policy, note the response, and avoid accusations about substances.
- At checkout
- Inspect promptly. Photograph evidence such as ash, rolling papers or packaging, and note smell strength in plain words.
- Same day
- Strip linens, pull drapes, replace the air unit filter, and place the room out of order.
- Next one to two days
- Clean hard surfaces and air unit, treat upholstery and carpet, and run a whole-room treatment if needed.
- Before release
- Closed-room nose check by someone who has not been in the room that day.
Places cannabis odor tends to settle
- Pillows, duvet and mattress top, since many guests smoke sitting on the bed.
- Bathroom ceiling and exhaust grille, if the guest tried to vent through the fan.
- Door sweep, door edge and the corridor carpet just outside.
- Drapes and the window frame if the window was opened.
- Towels used to block the gap under the door.
Common questions
Does a towel under the door tell staff anything?
It suggests the guest knew smoke would escape. Photograph it in place before moving it, and include it in the checkout notes.
Do vape cartridges leave the same smell?
Usually much less. Vapor residue is lighter, though heavy use in a closed room can still leave a sweet or skunky film on surfaces.
General information for Downtown Denver, not a quote or professional advice. In an emergency, call 911.