Leash Laws in Maryland: What Every Dog Owner Needs to Know by County

Maryland is one of the most dog-friendly states on the East Coast, but that friendliness comes with real legal responsibilities — and they vary significantly depending on where you live.

Unlike some states that set a single leash rule for every resident, Maryland leaves most of the rulemaking to individual counties. That means the leash law in Montgomery County can look very different from the one in Garrett County, and what’s allowed in one jurisdiction may get you a fine in another.

Whether you walk your dog through a Baltimore suburb, hike trails in Western Maryland, or visit a dog park in Prince George’s County, understanding the leash laws in Maryland that apply to your area is essential. This guide breaks down everything you need to know — from which animals are covered to what penalties you could face for a violation.

Does Maryland Have a Statewide Leash Law?

The short answer is no — unlike neighboring Virginia, Maryland does not have a single, uniform statewide leash law that applies to all residents. Maryland’s dog laws are unique in that state law governs the specific licensing and other regulations that certain counties may adopt or enforce. In practice, this means the authority to write and enforce leash rules rests primarily with each individual county.

As a general standard, there is an expectation that people who own dogs should keep them on leashes whenever they are not on their own private property. Even while outside in the owner’s yard, a leash may be necessary if there isn’t a fence in place to keep the dog from running loose.

Key Insight: Maryland’s state legislature delegates leash law authority to counties. This means your obligations as a dog owner depend heavily on which county you’re in — always verify your local ordinances before assuming a rule applies statewide.

That said, Maryland does have some state-level animal control statutes under the Criminal Law Article and the Agriculture Article. Under state law, owners of dangerous dogs are required to leash and muzzle those animals any time they leave the owner’s real property. Beyond that narrow provision, the specifics of everyday leash requirements are left to counties and municipalities.

It’s also worth noting that Maryland’s General Assembly has considered legislation to push counties toward more uniform rules. A bill introduced in the Maryland House would require each county and municipality to adopt laws or ordinances prohibiting a dog from being at large, while still allowing local governments to enact and enforce more stringent measures. Whether or not that bill becomes law, the county-by-county framework remains the current reality for Maryland dog owners.

Which Animals Are Covered Under Maryland’s Leash Laws

Most people assume leash laws only apply to dogs, but Maryland’s county-level regulations often extend coverage to other animals as well. The scope of “covered animals” varies by jurisdiction, but there are clear patterns across the state.

In Montgomery County, any dog is considered “at large” if it is outside the owner’s premises and not leashed. Any other animal — such as a cat or livestock animal — is considered at large if it is outside the owner’s premises and not leashed or immediately responsive to verbal or non-verbal direction. This means cats, in particular, face restraint requirements in some Maryland counties that many owners may not expect.

Anne Arundel County defines “at large” as being off the property of an animal’s owner and not leashed and under the control of a responsible person. The county’s definition of “animal” includes a vertebrate species other than a human — covering dogs, cats, livestock, and fowl.

Important Note: In Harford County, there is an additional rule specifically targeting female dogs in heat. The owner of a female dog that is in heat may not allow the dog to be outdoors either loose or on a leash — meaning the animal must be kept indoors or in a secure enclosure.

In Baltimore County, all dogs and cats must be on a leash when they are off the owner’s property. If they are chained outside, they must be on a swivel. Meanwhile, in Prince George’s County, it is illegal for the owner or custodian of any animal to allow it to run at large.

In Garrett County, the county ordinance defines an “animal under restraint” as an animal secured by a leash or lead, or under the control of a responsible person and obedient to that person’s commands, or confined within a vehicle or within the real property limits of its owner and/or custodian.

Where Animals Must Be Leashed in Maryland

Location matters enormously when it comes to Maryland’s leash requirements. The places where you must keep your animal on a leash are defined at the county level, but several common themes emerge across jurisdictions.

The most consistent rule across Maryland counties is this: once your animal steps off your private property, it generally must be leashed. If a dog does not leave the owner’s property, it does not have to be leashed. However, if the dog ventures away from the owner’s property, it is a violation if the dog is not leashed.

There is also an important boundary clarification that catches many owners off guard. The common area of a homeowner’s association, condominium, or cooperative is not considered the owner’s premises. This means that if you live in an apartment complex or HOA community, your dog must be leashed the moment it enters shared common areas — even if those spaces feel like your own yard.

Pro Tip: If you live in a condo, apartment, or HOA community in Maryland, treat every shared outdoor space — courtyards, parking lots, green areas — as “public” for leash law purposes. Your dog must be leashed in all of these areas.

Schools and recreational areas carry specific requirements in some counties as well. An owner must not allow a dog to be on public school grounds on a day when school is in session, or in a public recreation area during an organized activity, unless the dog is controlled by a leash or similar restraining device. This does not apply if the dog is participating in an activity such as obedience or agility training, provided the owner or sponsor has permission from the agency controlling the school or recreation area.

State-regulated areas also impose leash requirements. Under Maryland state regulations, all animals must remain on a leash and be attended at all times in regulated areas, and animals must be appropriately cleaned up after, with waste disposed in proper waste containers.

Leash Length and Equipment Requirements in Maryland

Maryland’s county-level approach means there is no single statewide standard for leash length or equipment type. However, several counties and municipalities do specify what qualifies as an acceptable restraint — and some set explicit length limits.

The City of Frederick provides one of the clearest length specifications in the state. No owner or keeper of any dog shall fail to keep the dog on the premises of the owner or keeper unless the dog is under the control of a competent person, restrained by a substantial chain or leash not exceeding fifteen feet in length and in a manner as to not have access to any passerby.

Anne Arundel County takes a different approach when it comes to tethering specifically. A person may not tether, fasten, chain, tie, or restrain a dog to a shelter, tree, fence, or any other stationary object — except a dog may be tethered with a chain, rope, line, or similar restraint that is at least 10 feet long, to allow a person to complete a temporary task that requires the dog to be restrained or to allow the dog to eliminate or exercise.

Important Note: A dog may not be tethered, fastened, chained, or tied outdoors by any means if the outdoor temperature is 32 degrees Fahrenheit or lower or 90 degrees Fahrenheit or higher. This weather-based tethering restriction in Anne Arundel County is separate from — and in addition to — basic leash requirements.

For dogs designated as dangerous, Maryland state law imposes stricter equipment standards regardless of county. Animals deemed dangerous must be kept confined in a secure enclosure to prevent direct contact with humans or other animals, and must be leashed and muzzled, and under the control of a person at least 18 years old who is physically able to restrain the animal any time it is removed from the owner’s property.

Carroll County and Frederick County both use the standard of “effective control,” which can include a leash or direct voice control under specific conditions. Both Carroll and Frederick County require that when dogs are in public areas, they must be leashed or under the owner’s effective control at all times. However, it is not enough to say the dog is friendly — if the dog approaches others or jumps on them, it is not under effective control.

Frederick’s municipal code also defines voice control precisely. Voice control means control of the behavior of a dog that is not leashed or otherwise physically restrained, sufficient that the dog does not charge, chase, or otherwise display aggression toward any person or animal, chase or harass wildlife or livestock, or fail to come to and stay with the owner immediately upon command.

Off-Leash Areas and Exceptions in Maryland

Even in a state with strong county-level leash enforcement, there are designated places where your dog can run free — and specific situations where leash requirements are waived. Knowing these exceptions can make your time outdoors with your dog much more enjoyable.

The only real exception to leash laws for public spaces applies at dog parks with fenced runs. People who take their dogs to other sorts of parks generally need to keep their dogs on leashes for the entire time they are in public.

Montgomery County specifically recognizes off-leash exercise areas as a formal exception. Any dog is at large if it is outside the owner’s premises and not leashed, unless it is a service dog, is in a dog exercise area designated by the Maryland National Capital Park and Planning Commission, or is participating in an approved activity.

• Designated dog parks: Most Maryland counties with urban or suburban populations maintain fenced, off-leash dog parks where dogs may run without a leash under owner supervision.
• Service dogs: Similar to other states, service dogs in Maryland are exempt from standard leash requirements when performing their designated duties.
• Approved training activities: Dogs participating in obedience training classes, agility courses, or sanctioned shows may be exempt when the owner or sponsor has received permission from the controlling agency.
• Hunting dogs: In some Maryland counties and under state hunting regulations, dogs actively engaged in lawful hunting with their owners may be permitted to run off-leash during hunting season.

The City of Frederick has a dedicated provision for off-leash areas. Section 7-113 does not apply to areas designated by the town as dog training areas or off-leash dog park sites. At any designated dog park, the owner or keeper of a dog may allow the dog to be at large off-leash, subject to the conditions set forth.

Pro Tip: Before visiting any Maryland park or trail, check whether it falls under Maryland National Capital Park and Planning Commission jurisdiction. Many parks in Montgomery and Prince George’s Counties have designated dog exercise areas — but hours, rules, and permit requirements vary by location.

Frederick’s dog park rules also include age-based supervision requirements. Dogs must be accompanied by a person at least twelve years of age when inside the enclosed area of the dog park. Children under the age of twelve must be supervised by a person who is at least eighteen years of age.

Penalties for Leash Law Violations in Maryland

Because Maryland delegates leash law enforcement to individual counties, the penalties you face for a violation depend entirely on where the offense occurs. There is no single statewide fine schedule — but the consequences across jurisdictions are consistent in one important way: repeat offenses always cost significantly more.

Maryland does not have a statewide law about leash violation penalties. Instead, each county establishes its own penalties. Here is a breakdown of what you can expect in some of Maryland’s most populous jurisdictions:

County / Jurisdiction	First Offense	Subsequent Offenses	Additional Consequences
Montgomery County	$100 fine	$500 per violation	Impoundment possible
Prince George’s County	Violation Notice issued	Escalating penalties	Animal may be impounded
Carroll / Frederick County	Up to $500 fine	Up to $500 fine	Animal control referral
Dangerous Dog (Statewide)	$500–$2,500 fine	Escalating penalties	Animal impoundment

In Prince George’s County, it is against the law for the owner or custodian of any animal to allow the animal to run at large. Any dog or cat found at large may be impounded. A Violation Notice may be issued to the owner of an animal found at large by a County Police Officer or Animal Control Officer.

In Carroll and Frederick Counties, owners’ failure to have a dog leashed or under effective control can result in fines up to $500.

Common Mistake: Many Maryland dog owners assume that a friendly, well-behaved dog cannot result in a leash violation. This is incorrect. Dogs running loose are a major safety hazard for others. A dog that is not under the direct control of its owner could become aggressive or might bite out of fear. The violation is based on the absence of a leash or control — not on the dog’s behavior in the moment.

Leash law violations in Maryland can also carry civil liability, not just fines. When a dog causes harm, the animal’s owner is often liable. Their violation of the leash law is a form of misconduct that opens them up to liability. This means that beyond the fine itself, an off-leash incident that results in a bite or injury could expose you to a personal injury lawsuit.

For dangerous dogs specifically, the stakes are even higher. The penalty for failing to keep a dangerous animal confined is $500 to $2,500 and/or impoundment of the animal. If your dog has been officially designated as dangerous by your county, compliance with leash and muzzle requirements is not optional — it is a legal obligation with serious financial consequences for non-compliance.

If you’re curious how Maryland’s approach compares to other states, you can explore leash laws in Delaware, Virginia’s dog restraint rules, and Pennsylvania’s leash regulations for a regional comparison. You can also review how other states like Florida, Ohio, and Michigan handle the county-versus-state balance of leash law authority.

Final Thoughts

Maryland’s leash law framework puts the responsibility squarely on you as a dog owner to know the rules in your specific county. There is no single statewide mandate to rely on — instead, you need to look up your county’s ordinances, understand where your property ends and public space begins, and be aware of the exceptions available to you.

The most important takeaways: keep your dog leashed off your private property, treat HOA and condo common areas as public space, take advantage of designated dog parks for off-leash time, and understand that repeat violations carry significantly higher fines. If your dog has been designated as dangerous, the requirements are even stricter and the financial exposure for non-compliance is substantial.

For county-specific rules, always verify directly with your local animal control agency — ordinances can and do change. You can also explore leash law guides for Massachusetts, Maine, Minnesota, and Colorado to see how other states structure their animal control laws.