Foothills
Short-term rentals in unincorporated Boulder County need a license
A Porch Note from Colorado Porch — plain-English local details for all 64 Colorado counties.
A mountain cabin with a guest room and a good view is not a short-term rental until it is licensed as one. In unincorporated Boulder County, operating any short-term or vacation rental requires a local license from Community Planning & Permitting first. The line that defines one of these rentals is the calendar: lodging offered to a single booking party for fewer than 30 days at a time.
Geography decides who handles the paperwork. The county only licenses property in unincorporated areas, not inside incorporated cities and towns, so the first thing to settle is which side of that line a place sits on. Get that wrong and you may be applying to the wrong office entirely.
The review behind the license looks past the listing photos. It can touch zoning, parking, access, septic, building safety, and occupancy, along with other functional details that decide whether a home can safely host paying guests. In wildfire areas, extra mitigation steps can come into play as well, which makes sense for a foothills property where evacuation routes and defensible space carry real weight.
A license isn’t the only rule that can govern a rental. Private covenants and HOA bylaws often set their own limits, and a property inside a city or town will answer to that municipality’s rules rather than the county’s. Sorting out whether a place is unincorporated, then checking the county licensing page and any covenants that apply, is the work that belongs before the first guest ever books, not after.
Sources
Official or primary sources used for this note. Local details can change, so confirm before acting.