10 county-level rules, plus city-specific rules for 1 city in Ada County, Idaho.
Verified from official government sources
On unincorporated Ada County streets, motor homes, travel trailers and camp trailers may be parked no more than 72 hours, whether or not attached to a tow vehicle. On residential lots, RVs and boats are generally stored on the owner's property; inside city limits (Boise, Meridian, Eagle) the city's own
In unincorporated Ada County, off-street parking areas must generally be built with a compacted gravel base at least 4 inches thick surfaced with asphalt or a comparable all-weather dustless material approved by the County Engineer. Rural residences and temporary uses are exempt. Driveways must meet turnout and clearance standards near
Ada County Code 8-3-10 (Off-Street Parking)
Except as otherwise provided in this Section, all off street parking areas shall be improved with a compacted gravel base, not less than four inches (4") thick, surfaced with asphaltic concrete or some comparable all weather dustless material as approved by the County Engineer. This standard shall not apply to agricultural produce stands, roadside produce stands, rural residences, temporary use...
In unincorporated Ada County, an accessory structure on a residential lot may not store commercial vehicles except as allowed for a home occupation, where one work trailer, work vehicle or commercial vehicle may park on the property. Off-street loading and heavy-vehicle areas are separately regulated by Title 8.
Ada County Code Title 8 (Home Occupation standards)
No outdoor storage or outdoor loading shall be allowed, except that one work trailer, work vehicle or commercial vehicle may park on the property.
No person may park any vehicle on the streets in an unincorporated Ada County residential area for a continuous period exceeding 7 days. RVs, motor homes and camp trailers are further limited to 72 hours. Inside incorporated cities, the city's traffic code controls.
Ada County sets no blanket overnight street-parking ban in unincorporated areas; the governing limit is the 7-day continuous cap (72 hours for RVs) under Code 6-5-3. Abandoning a vehicle is separately prohibited by Idaho Code 49-1801. Cities within the county may ban or restrict overnight parking.
Idaho Code 49-1801
No person shall abandon a vehicle upon any highway. No person shall abandon a vehicle upon public or private property without the express or implied consent of the owner or person in lawful possession or control of the property.
Ada County's zoning code does not set a dedicated EV-charging-station ordinance for homes; residential EV chargers are installed under building and electrical permits. Idaho follows the National Electrical Code for charger wiring. Commercial parking installations must still meet the county's off-street parking and lighting standards.
Abandoned vehicles are governed by Idaho Code Title 49, Chapter 18. Abandonment on any highway or on public/private property without consent is prohibited (IC 49-1801). A property owner may have an unauthorized vehicle removed if the property is posted with a conspicuous towing notice (IC 49-1806).
Idaho Code 49-1806
Any person having possession or control of real property, including commercial property, who finds an unauthorized vehicle standing on his property is permitted to have the vehicle removed or booted if there is posted on or near the property in a clearly conspicuous location, in large print, a sign or notice that unauthorized vehicles will be removed or booted at the owner's expense and designa...
Ada County does not authorize residents to paint curbs; curb colors and markings on public roads are set by the road authority. In unincorporated Ada County, road striping and signage fall under the Ada County Highway District (ACHD), which manages nearly all public streets in the county. Painting a public
In unincorporated Ada County, commercial or industrial uses of 5,000 sq ft or more must provide at least one off-street loading space, with an added space per each 20,000 sq ft. Loading spaces are 10 ft x 30 ft with 14 ft clearance, must stay 50 ft from residential districts,
Ada County Code 8-3-10 (Off-Street Loading)
Any commercial or industrial use with a gross floor area of five thousand (5,000) square feet or more requires off-street loading. These uses shall provide and maintain at least one off-street loading space. One additional off-street loading space shall be required for each subsequent twenty thousand (20,000) square feet of gross floor area.
Ada County limits inoperable, dismantled or unregistered vehicles: no more than two may be visible from any street or private road, and the rest must be behind a 6-foot sight-obscuring fence or fully enclosed. Excess outdoor accumulation can be treated as a junkyard nuisance. Oversized RVs and trailers on streets
Ada County Code Title 8 (Automotive, Hobby)
No more than two (2) inoperable, dismantled, or unregistered motor vehicles may be visible from any street or private road. All other inoperable, dismantled, or unregistered motor vehicles shall be stored: a. In the rear or side yard behind a sight obscuring fence, wall, or screen that is not less than six feet (6') tall; or b. Within a completely enclosed structure.
1 cities in Ada County have their own parking rules rules. Each link goes to that city's dedicated page with code citations.
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