10 county-level rules, plus city-specific rules for 2 cities in Jefferson County, Colorado.
Verified from official government sources
In unincorporated Jefferson County, an RV, boat trailer, or camper may not stay parked on a county road (Highway) more than 28 days in any one-year period. On your own property, storage is allowed, but living in an RV requires an Administrative Exception.
Jefferson County Policy 3.4.3, Sec. J.2 (Res. CC17-370)
No Major Recreational Vehicle or Trailer shall be Parked on any Highway within any Highway in unincorporated Jefferson County for a period in excess of twenty-eight (28) days within any one-year period.
Jefferson County's parking ordinance regulates the public road (Highway), not private driveways. The county sets no general limit on how many operable vehicles you may park in your own driveway, but inoperable vehicles and RV living are limited by the zoning code.
In unincorporated Jefferson County it is unlawful to park a "Major Motor Vehicle" (8+ feet wide, 25+ feet long, or any truck tractor/road tractor/semi-trailer) on a county road except for loading, unloading, or other immediate active use.
Jefferson County Policy 3.4.3, Sec. J.1 (Res. CC17-370)
It shall be unlawful for any Person to Park any Major Motor Vehicle upon any Highway in unincorporated Jefferson County, except for the purposes of loading, unloading or other immediate and active use.
On unincorporated county roads, on-street parking is legal unless restricted by a resolution, ordinance, or posted traffic-control device. It is unlawful to park where parking has been restricted or prohibited, except to obey an officer or avoid a traffic conflict.
Jefferson County Policy 3.4.3, Sec. B (Res. CC17-370)
It shall be unlawful for any Person to operate, Stand, Park or Stop a Vehicle in any manner on any Highway or at any place in the unincorporated area of Jefferson County, where such movement or Parking of Vehicles has been restricted or prohibited...
There is no blanket overnight on-street parking ban in unincorporated Jefferson County, but parking on the Clear Creek Canyon (US-6) right-of-way is banned longer than 30 minutes between 10 p.m. and 5 a.m. Using a vehicle as overnight living quarters on public property is prohibited.
Jefferson County Policy 3.4.3, Sec. I.1 (Res. CC17-370)
No Person, except Persons on emergency calls, or Persons in emergency situations, shall Park a Vehicle on the right-of-way in Clear Creek Canyon along U.S. Highway 6 in unincorporated Jefferson County, for a period of time longer than thirty (30) minutes between the hours of 10:00 p.m. and 5:00 a.m. of any day.
Jefferson County's parking ordinance sets no EV-specific parking or charging-station rules for residents. Installing a home charger is governed by the county electrical/building permit process, and EV-space signage at public lots is not addressed by the parking ordinance.
A vehicle left unattended on public property outside a city for 48 hours or longer is "abandoned" under Colorado law (CRS 42-4-1802). Jeffco tags illegally parked vehicles, and any impounded vehicle unclaimed within 24 hours is treated as abandoned.
CRS 42-4-1802(1)(a)
"Abandoned motor vehicle" means: (a) Any motor vehicle left unattended on public property, including any portion of a highway right-of-way, outside the limits of any incorporated town or city for a period of forty-eight hours or longer.
Jefferson County controls curb and roadway markings through official "Traffic Control Devices" placed by the Transportation & Engineering Division. Residents may not paint curbs to reserve or restrict parking; only authorized devices are legally enforceable.
Jefferson County Policy 3.4.3, Sec. A.12 (Res. CC17-370)
"Traffic Control Devices" means all signs, signals, markings, and devices, not inconsistent with State law, placed or displayed by authority of a public body or official having jurisdiction, for the purpose of regulating, warning or guiding traffic.
Under the county parking ordinance, brief stops to load or unload passengers or property are exempt from "parking." Even oversized Major Motor Vehicles may stop on a county road for the purpose of loading, unloading, or other immediate active use.
Jefferson County Policy 3.4.3, Sec. A.7 (Res. CC17-370)
"Park" or "Parking" means the Standing of a Vehicle, whether occupied or not, other than very briefly for the purpose of, and while actually engaged in, loading or unloading property or passengers.
Oversized vehicles fall under the county's "Major Motor Vehicle" rule: any vehicle 8+ feet wide or 25+ feet long (or any truck tractor/road tractor/semi-trailer) may not be parked on a county road except for loading, unloading, or immediate active use.
Jefferson County Policy 3.4.3, Sec. A.3 (Res. CC17-370)
"Major Motor Vehicle" means any Vehicle that is: a. Eight (8) feet or more in width including the truck bed; and/or b. Twenty-five (25) feet or more in length; and/or c. Regardless of size, a truck tractor, road tractor or semi-trailer.
2 cities in Jefferson County have their own parking rules rules. Each link goes to that city's dedicated page with code citations.
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Jefferson County Ordinance Hub →