There is no flat overnight parking ban on unincorporated Boulder County roads, but a vehicle left in one location for more than 72 continuous hours becomes an abandoned vehicle that can be ticketed and towed.
Ordinance 2024-1 does not prohibit ordinary overnight parking, but it defines an Abandoned Vehicle as one left in a single location on public property for more than 72 hours without consent. Critically, moving a vehicle and re-parking it within 700 feet of the same spot within any 24-hour period still counts as continuous parking, so you cannot reset the clock by inching it down the block. Operable, currently registered vehicles parked near their registered unincorporated address are exempt. The county adopted these rules partly to address long-term RV encampments on rural roads.
After 72 hours the Sheriff gives written or verbal notice and 72 more hours to move; failure leads to a $15/$30/$60 citation and towing at the owner's expense.
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