7 rules for unincorporated Harford County, Maryland.
Verified from official government sources
Storing an RV, boat, or trailer on a residential lot in Harford County is governed by zoning, not state law. Screened side or rear-yard storage is generally allowed; front-yard and street storage is restricted, and vehicles must stay operable and registered.
Driveway parking in Harford County is set by county and municipal codes, not state law. Vehicles must not block the public sidewalk or right-of-way, must sit on an approved surface, and inoperable vehicles cannot be stored in the open.
Parking commercial trucks and equipment in residential areas is restricted by local ordinance. In Bel Air it is unlawful to park a commercial vehicle, trailer, or equipment in a residential district except while actively loading or unloading.
On-street parking in Harford County is regulated by the county on county roads and by each town within its limits. Bel Air runs permit-only residential parking districts; vehicles must not block hydrants, driveways, or crosswalks.
Harford County has no blanket overnight on-street parking ban, but towns and permit districts control it locally. Bel Air enforces permit-only residential parking during posted hours, and all jurisdictions restrict parking during declared snow emergencies.
EV charging rules in Harford County are enabling, not restrictive. Installing a home charger requires an electrical permit under the Maryland-adopted code, and new commercial and multifamily projects must include EV-ready parking under the state building code.
Under Maryland Transportation §25-201, a vehicle left inoperable or unregistered on public property, or on private property without consent, for more than 48 hours is abandoned and may be removed. Harford County also caps junk vehicles stored on private lots.
Md. Code, Transportation §25-201
"Abandoned vehicle" means any motor vehicle, trailer, or semitrailer that: (1) Is inoperable and left unattended on public property for more than 48 hours; (2) Has remained illegally on public property for more than 48 hours; or (3) Has remained on private property for more than 48 hours without the consent of the owner or person in control of the property.
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