Colorado county rules
Adams County, CO vacation rental rules and taxes
Adams County, north and northeast of Denver, holds Westminster and Thornton, which both license short-term rentals. We didn’t check the county’s own rules outside city limits.
Checked against official sources November 8, 2026We didn’t find Brighton’s or Commerce City’s short-term rental rules in this round.
What to do
Then your town or area
Cities and towns make their own rental rules inside their limits; the county’s rules apply only outside them. Pick your area.
Towns
Thornton
Thornton requires a short-term rental license and a business license, and you must collect and remit the city’s lodging tax. We didn’t find the fees or standards on the city’s pages.
Full guideWestminster
Westminster licenses short-term rentals with no fee for the first two-year license and $200 to renew, one rental per person. You sign a safety affidavit for smoke and CO detectors and extinguishers, and pay the city’s accommodations tax.
Sources
A plain-language summary to help you prepare, not legal advice. Rules and fees change; confirm with the office before you apply. Spot something out of date? Email hello@licensedrental.com.